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Pipeline, November/December 1995, vol.6, no.6
Copyright © 1996 Silicon Graphics


Supported Releases

The following table contains a listing of the recent SGI software
releases, including their current support status.

Notes:

|-------------------------------------------------------------------------------------------------------------------------------
|Release     |Currently  |  Platforms           |  Notes/Identification
|            |Supported  |                      |
|-------------------------------------------------------------------------------------------------------------------------------
|4.0         |   No      | R3000 Indigo,        | First native X Window System release. Introduction of R3000 Indigo (IP12)
|            |           | Skywriter            | and Skywriter (VGXT graphics). Replaced by 4.0.1.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.1       |  Yes      | All platforms[1]     | Sent to all 3.3 and 4.0 support customers. Replaced by 5.2.[2]
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.1
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.1[2]    |  Yes      | VME IP10 with        | Supports VME version of 4D/25 (also known as V/20 and VIP10) with Personal
|VIP10       |           | PGR graphics         | IRIS type graphics (also known as G, TG, and PGR graphics). There are 2
|            |           |                      | different versions of the VIP10 software.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | versions -b shows that vip10 is installed.
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.1[2]    |  Yes      | VME IP12 with        | Supports VME version of 4D/30 and 4D/35 (also known as V30/35 and VIP12) with
|VIP12       |           | PGR graphics         | Personal IRIS type graphics (also known as G, TG, and PGR graphics). There are 4
|            |           |                      | different versions of the VIP12 software.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | versions -b shows that vip12 is installed.
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.1T      |  No       | All platforms[1]     | First Trusted IRIX (TIRIX) release.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.1 
|            |           |                      | uname -s returns TIRIX/B
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.2       |   No      | All platforms[1]     | Added support for XS, XS24 and Elan graphics on Indigo, 4D/30, and 4D/35. 
|            |           |                      | Replaced by 4.0.5A.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.2
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.2[2]    |  Yes      | VME IP12 with        | Supports VME version of 4D/30 and 4D/35 (also known as V30/35 and VIP12) with
|V35         |           | Elan/XS-V            | VME version of XS, XS24, and Elan graphics (also known as Elan/XS-V graphics).
|            |           | graphics             | There are 2 different versions of the V35 software.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.2
|            |           |                      | versions -b shows that v35 is installed.
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.3       |  No       | All platforms[1]     | Introduction of Crimson (IP17) with version 2.1 of R4000 CPU chip. Replaced 
|            |           |                      | by 4.0.5A.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.3
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.4       |  No       | All platforms[1]     | Added support for Crimson (IP17) with version 2.2 of R4000 CPU chip. Replaced 
|            |           |                      | by 4.0.5A.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.4
|            |           |                      | versions -v eoe1.sw.unix shows
|            |           |                      | Execution Only Environment 1, 4.0.4
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.4B      |  No       | All platforms[1]     | Added support for a second source for R4000 CPU chip (Toshiba). Replaced by 
|            |           |                      | 4.0.5A.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.4
|            |           |                      | versions -v eoe1.sw.unix shows
|            |           |                      | Execution Only Environment 1, 4.0.4B
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.4T      |  No       | All platforms[1]     | Second Trusted IRIX (TIRIX) release.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.4
|            |           |                      | uname -s returns TIRIX/B
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5       |  No       | All platforms[1]     | The label on the box says Rev A. The CD and tapes are labelled 4.0.5. Replaced
|            |           |                      | by 4.0.5A.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5
|            |           |                      | versions -vn eoe1.sw.unix shows a number ending with 729.
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5A      |  Yes      | All platforms[1]     | Fixed Mitsubishi Monitor problem. The label on the box says Rev B. The CD and 
|            |           |                      | tapes are labelled 4.0.5A. Sent to all 4.0.2, 4.0.3, 4.0.4, 4.0.4B and 4.0.5 
|            |           |                      | support customers. Replaced by 5.2.[2]
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5
|            |           |                      | versions -vn eoe1.sw.unix shows a number ending with 731.
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5A[2]   |  Yes      | All platforms[1]     | Limited distribution "patch" release. Fixes problem with NFS lockd and Crimson
|4.0.5C      |           |                      | SIGSEGV error. Replaced by 5.2.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5C
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5A[2]   |  Yes      | VME IP10 and         | Supports VME version of 4D/25, 4D/30, and 4D/35 (also known as V20, V30/35,
|V20_35      |           | VME IP12             | VIP10, and VIP12) with Personal IRIS type graphics (also known as G, TG and PGR
|            |           |                      | graphics), as well as VME version of 4D/30 and 4D/35 (also known as V30/35 and
|            |           |                      | VIP12) with VME version of XS, XS24 or Elan graphics (also known as Elan/XS-V
|            |           |                      | graphics).
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5
|            |           |                      | versions -b v20_35 shows Req'd 4.0.5 kernel/ide changes
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5D      |  No       | Reality Engine       | Added support for Reality Engine (RE) graphics. Only two (known) 
|            |           |                      | copies shipped. Replaced by 4.0.5E.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5D
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5E      |  No       | R3000 Indigo,        | Second Multimedia release. Added support for R4000 Indigo. Replaced by 4.0.5F.
|            |           | R4000 Indigo         |-------------------------------------------------------------------------------
|            |           | (IP20), Reality      | uname -r returns 4.0.5E
|            |           | Engine               |
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5EPL    |  Yes      | Power Series,        | Functionally the same as 4.0.5IPR. Satisfied NCSC formal evaluation as a B1 system.
|            |           | Personal Iris,       |-------------------------------------------------------------------------------
|            |           | Crimson, Indigo,     | uname -r returns 4.0.5EPL
|            |           | Indigo2              | uname -s returns TIRIX/B
|            |           |                      | versions -v eoe1 shows Trusted IRIX Execution Only Environment, 4.0.5EPL
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5F      |  Yes      | R3000 Indigo,        | Almost identical to 4.0.5E. Added support for alternate serial port chip for 
|            |           | R4000 Indigo         | R4000 Indigo (IP20). Fixed some RE bugs. Sent to all 4.0.5D, 4.0.5E and 4.0.5MM
|            |           | (IP20), Reality      | support customers. Replaced by 5.2.
|            |           | Engine               |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5F
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5G      |   No      | Reality Engine       | Fixed RE bugs. Only a few shipped. Replaced by 4.0.5G (rev D).
|(revB)      |           | graphics             |
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5G
|            |           |                      | versions -b shows that there is no maint_eoe1
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5G      |  Yes      | Reality Engine       | Fixed more RE bugs. Sent to all Reality Engine support customers.
|(revD)      |           | graphics             | Replaced by 5.2.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | versions maint_eoe1 shows
|            |           |                      | Execution Only Environment 1 Maint, 4.0.5G
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5H      |  No       |Indigo2, Reality      | Supports Indigo2, RE systems with Video Splitter II (VSII), also known as Multi
|            |           |Engine with VSII      | Channel Option (MCO), but not RE systems without VSII. Supports Crimson with
|            |           |(MCO), Crimson        | Extreme (EX) graphics. Challenge M is an Indigo2 without graphics. The CD label
|            |           |Extreme, and          | incorrectly states that it also supports Reality Engine. Replaced by 4.0.5H
|            |           |Challenge M           | a 360.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5H
|            |           |                      | versions -vn eoe1.sw.unix shows a number ending with 330.
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5H      |  Yes      |Indigo2, Reality      | Same as 4.0.5H, but fixed lrectwrite bug for Indigo2, some RE bugs for Video
|a360        |           |Engine with VSII      | Splitter II (VSII), also known as Multi Channel Option (MCO). Challenge M
|            |           |(MCO), Crimson        | is an Indigo2 without graphics. The CD label incorrectly states that it also
|            |           |Extreme, and          | supports Reality Engine. Sent to all 4.0.5H support customers.
|            |           |Challenge M           | Replaced by 5.2.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5H
|            |           |                      | versions -vn eoe1.sw.unix shows a number ending with 360.
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5H a360 | Yes       | Reality Engine with  | Improved support for Reality Engine systems with Video Splitter II
| [2] MCO    |           | VSII (MCO)           | (VSII), also known as Multi-Channel Option (MCO). Replaced with 5.2.
|            |           |                      |--------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5H
|            |           |                      | versions -vn eoe1.sw.unix shows a number ending with 360.
|            |           |                      | versions -b maint_eoe1 shows
|            |           |                      | Execution Only Environment 1 MCO Update, 4.0.5H
|---------------------------------------------------------------------------------------------------------------------------------
|4.0.5(IOP)  |   Yes     | R3000 Indigo,        | The Indigo Only Patch. Supports R3000 and R4000 Indigos. 
|            |           | R4000 Indigo         | Mostly the same as 4.0.5H with a few bug fixes. Replaced with 5.2.
|            |           | (IP20), Indigo2      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5H
|            |           |                      | versions -b eoe1 shows Execution Only Environment 1, 4.0.5 Indigo Patch
|-------------------------------------------------------------------------------------------------------------------------------
| 4.0.5IPR   | Yes       | Power Series,        | Third Trusted IRIX release. Added support for R4000 Indigo, Indigo2,
|            |           | Crimson, Indigo,     | Crimson, and Reality Engine graphics. Shipped to all 4.0.4T support customers.
|            |           | Indigo2              |---------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5IPR
|---------------------------------------------------------------------------------------------------------------------------------
| 4.0.5J     | Yes       |150MHz Crimson with   | First 150MHz Crimson Release. Very few copies shipped. Has incorrect
| (rev A)    |           |GTX, VGX, VGXT, and   | audio image, which does not affect Crimson. Functionally equivalent
|            |           |Starter graphics      | to 4.0.5H. Replaced by 5.2.
|            |           |                      |---------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5J
|            |           |                      | versions -b audio shows
|            |           |                      | Audio Software and Sound Samples, 1.0.5
|---------------------------------------------------------------------------------------------------------------------------------
| 4.0.5J     | Yes       |150MHz Crimson with   | Second 150MHz Crimson (IP17) Release. Changed which systems miniroot will
| (rev B)    |           |GTX, VGX, VGXT, and   | boot on, and replaced an incorrect audio image that does not apply
|            |           |Starter graphics      | to Crimson. Identical to 4.0.5J (rev A) when loaded on Crimson.
|            |           |                      | Replaced by 5.2.
|            |           |                      |---------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5J
|            |           |                      | versions -b audio shows
|            |           |                      | Audio Software and Sound Samples, 1.0.3
|-------------------------------------------------------------------------------------------------------------------------------
|4.0.5MM     |  No       | R3000 Indigo         | First Multimedia release. Supported on R3000 Indigo only. The CD label 
|            |           |                      | incorrectly states that it also supports 4D/30 and 4D/35. Replaced by 4.0.5F.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 4.0.5MM
|---------------------------------------------------------------------------------------------------------------------------------
|4.0.5X      |  No       | None                 | Doesn't exist. Some boxes containing system drives are labelled 4.0.5X.
|-------------------------------------------------------------------------------------------------------------------------------
|5.0         |  No       |Challenge, and        | Introduction of Challenge and Onyx (with RE2 and VTX graphics). Supported on
|            |           |Onyx with Real-       | Challenge and Onyx only. Replaced by 5.0.1.
|            |           |ity Engine 2 and      |-------------------------------------------------------------------------------
|            |           |VTX graphics          | uname -r returns 5.0
|-------------------------------------------------------------------------------------------------------------------------------
|5.0.1       | No        |Challenge, and        | Added support for third card cage in Challenge and Onyx, which includes a
|            |           |Onyx with Real-       | second graphics subsystem, or multiple VME busses. Supported on Challenge
|            |           |ity Engine 2 and      | and Onyx only. Replaced by 5.2.
|            |           |VTX graphics          |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.0.1
|---------------------------------------------------------------------------------------------------------------------------------
| 5.1 (Indy) | No        |Indy (R4000PC,        | Added Indy Support. Supports Indy with R4000PC, R4000SC, or R4400 only.
|            |           |R4000SC, R4400)       | Contains IndigoMagic (IM) user environment.
|            |           |                      | The CD-ROM is labelled Indy IRIX 5.1. Replaced by 5.2.
|            |           |                      |---------------------------------------------------------------------
|            |           |                      | uname -r returns 5.1
|            |           |                      | versions -b desktop_eoe shows
|            |           |                      | IndigoMagic, Desktop, 5.1
|---------------------------------------------------------------------------------------------------------------------------------
| 5.1        | No        | Challenge, Onyx,     | Bug fix release for Challenge. Added support for Galileo Video on
| (non-indy) |           | Indigo2 XL, Indigo2  | on Indigo and Indigo2. The CD-ROM is labelled IRIX 5.1. Replaced by 5.2.
|            |           | with Galileo Video,  |---------------------------------------------------------------------
|            |           | Indigo with Galileo  | uname -r returns 5.1
|            |           | Video                | versions -b desktop_eoe shows 4Sight Desktop, 5.1
|---------------------------------------------------------------------------------------------------------------------------------
| 5.1 (Indy) | No        | Indy (R4000PC,       | Fixed diskless Indy problem with 5.1 servers. Supports Indy with R4000PC, 
| [2] 5.1.0.1|           | R4000SC, R4400)      | R4000SC, or R4400 only. Shipped only on some
|            |           |                      | systems' system disk (no CD-ROMs were made). 5.1.1 CD-ROMs (Indy)
|            |           |                      | shipped with these systems. Replaced by (and functionally equivalent
|            |           |                      | to) 5.1.1. Replaced by 5.2.
|            |           |                      |---------------------------------------------------------------------
|            |           |                      | uname -r returns 5.1.0.1
|---------------------------------------------------------------------------------------------------------------------------------
| 5.1.1      | No        | Indy (R4000PC,       | Almost the same as 5.1.0.1 when loaded on disk. Changes in stand 
| (Indy)     |           | R4000SC, R4400)      | alone tools on CD-ROM and manufacturing yield fix for Indy graphics. 
|            |           |                      | Supports Indy with R4000PC, R4000SC, or R4400 only.
|            |           |                      | The CD-ROM is labelled Indy IRIX 5.1.1. Contains maint_nfs and 
|            |           |                      | maint_gl_dev images. Replaced by 5.2.
|            |           |                      |---------------------------------------------------------------------
|            |           |                      | uname -r returns 5.1.1
|            |           |                      | versions -b desktop_eoe shows
|            |           |                      | IndigoMagic Desktop, 5.1.1
|---------------------------------------------------------------------------------------------------------------------------------
| 5.1.1      | No        |Challenge, Onyx,      | Bug fix release. Shipped with Challenge, Onyx, Indigo2 XL, Indigo2
| (non-Indy) |           |Indigo2 XL, Indigo2   | with Galileo Video, Indigo with Galileo Video. Supported on other 
|            |           |Galileo Video, Indigo | platforms with specific approval. The CD-ROM is labelled IRIX 5.1.
|            |           |with Galileo Video.   | Contains maint_nfs, maint_gl_dev images. Replaced by 5.2.
|            |           |All Platforms[1] by   |---------------------------------------------------------------------
|            |           |arrangement with      | uname -r returns 5.1.1
|            |           |support provider      | versions -b desktop_eoe shows 4Sight Desktop, 5.1
|---------------------------------------------------------------------------------------------------------------------------------
| 5.1.1 [2]  | No        |All 5.1.1 Indy/Non-   | Bug fix patch release, in maintenance image format. Shipped with 
| 5.1.1.1    |           |Indy Platforms        | Indy, but not installed. Replaced by 5.2.
|            |           |                      |---------------------------------------------------------------------
|            |           |                      | uname -r returns 5.1.1.1
|---------------------------------------------------------------------------------------------------------------------------------
| 5.1.1 [2]  | No        |All 5.1.1 Indy/Non-   | Bug fix patch release, in maintenance image format. Shipped with 
| 5.1.1.2    |           |Indy Platforms        | systems, but not installed. Replaced by 5.2.
|            |           |                      |---------------------------------------------------------------------
|            |           |                      | uname -r returns 5.1.1.2
|---------------------------------------------------------------------------------------------------------------------------------
|5.1.1 [2]   | No        | All 5.1.1            | Bug fix patch release, in maintenance image format. Shipped with systems, but
|5.1.1.3     |           | Indy/Non-Indy        | not installed. Replaced by 5.2.
|            |           | Platforms            |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.1.1.3
|-------------------------------------------------------------------------------------------------------------------------------
|5.2         | Yes       | All Platforms[1][2]  | All platforms release of IRIX5. Sent to all 4.0.1, 4.0.5A,
|            |           |                      | 4.0.5C, 4.0.5F, 4.0.5G, 4.0.5Ha360, 4.0.5IOP, 4.0.5J support customers.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.2
|            |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 5.2
|            |           |                      | versions -n eoe1.sw.unix shows a number ending with 1011009700
|-------------------------------------------------------------------------------------------------------------------------------
|5.2 for Onyx| Yes       | Onyx with            | Added support for Extreme Graphics on Onyx (IP19). Shipped with 
|Extreme     |           | Extreme graphics     | Onyx with Extreme graphics. Replaced by 5.3.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.2
|            |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 5.2
|            |           |                      | versions -n eoe1.sw.unix shows 1011168200
|-------------------------------------------------------------------------------------------------------------------------------
|5.2 for Indy| Yes       | Indy (R4000PC,       | Added support for R4600PC in Indy, and for Challenge S (IP22). Supports
|R4600 PC &  |           | R4000SC, R4400,      | R4000PC, R4000SC, R4400, or R4600PC, and Challenge S with R4400 and
|Challenge S |           | R4600PC), and        | R4600PC. Shipped with all Indy and Challenge S systems.
|            |           | Challenge S          |-------------------------------------------------------------------------------
|            |           | (R4400, R4600PC)     | uname -r returns 5.2
|            |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 5.2 Indy R4600
|            |           |                      | versions -n eoe1.sw.unix shows 1011112900
|-------------------------------------------------------------------------------------------------------------------------------
|5.2 for Indy| Yes       | Indy (R4000PC,       | Added support forR4600SC in Indy and  Challenge S, and for XZ graphics in Indy.
|R4600SC/XZ  |           | R4000SC, R4400,      | Supports all Indy and Challenge S systems. Shipped with all Indy and Challenge
|& Presenter |           | R4600PC, R4600SC),   | S systems.
|            |           | and Challenge S      |-------------------------------------------------------------------------------
|            |           | (R4400, R4600PC,     | uname -r returns 5.2
|            |           | R4600SC)             | versions -b eoe1 shows IRIX Execution Environment 1, 5.2 Indy R4600
|            |           |                      | versions -n eoe1.sw.unix shows 1011372420
|------------------------------------------------------------------------------------------------------------------------------
|5.2 for     | Yes       | Challenge            | Added support for 200MHz IP19 in Challenge and Onyx. Supports all IP19
|Challenge   |           | (IP19), Onyx         | Challenge and Onyx systems. Shipped with all IP10 Challenge and Onyx
|/Onyx       |           |                      | systems. Replaced by 5.3.
|            |           |                      |-----------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.2
|            |           |                      | versions -v eoe1 shows IRIX Execution Environment 1, 5.2-200MHz
|            |           |                      | Challenge and Onyx
|------------------------------------------------------------------------------------------------------------------------------
| 5.2 TKO    | Yes       | Onyx with Triple     | Added support for Triple Keyboard Option (TKO). Supported on Onyx with
|            |           | Keyboard Option      | Triple Keyboard Option. Shipped on Onyx with Triple Keyboard option.
|            |           | (TKO)                |------------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.2-TKO
|------------------------------------------------------------------------------------------------------------------------------
| 5.3        | Yes       | All Platforms[1],    | Improved 5.2 performance. Supported on IP4, IP5, IP7, IP9, IP12, IP17, IP19,
|            |           | except Power         | IP20, IP22 as reported by hinv(1). Shipped to all 5.2, 5.2 for Indy R4600PC
|            |           | Challenge, Power     | and Challenge S, 5.2 for Indy R4600SC/XZ and Presenter, 5.2 for Onyx Extreme,
|            |           | Onyx, Power Indigo2  | 5.2 for Challenge/Onyx support customers.
|            |           |                      |-----------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.3
|            |           |                      | versions -v eoe1 shows IRIX Execution Environment 1, 5.3
|------------------------------------------------------------------------------------------------------------------------------
| 5.3XFS     | Yes       | All Platforms[1],    | Added support to 5.3 for XFS file systems, and XLV logical volumes. Supported
|            |           | except IP4, IP6,     | on all 5.3 systems except IP4 and IP6.
|            |           | Power Challenge,     |------------------------------------------------------------------------------
|            |           | Power Onyx,          | uname -r returns 5.3
|            |           | Power Indigo2        | versions -v eoe1 shows IRIX Execution Enbironment 1, 5.3 with XFS
|------------------------------------------------------------------------------------------------------------------------------
| 5.3 for    | Yes       | All Indy and         | Added support to 5.3 for the 175MHz R4400 processor on Indy and Challenge S.
| 175MHz     |           | Challenge S          | Supported on all Indys. Shipped with all Indys.
| R4400 Indy |           |                      |-----------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.3
|            |           |                      | versions -v eoe1 shows IRIX Execution Environment 1, 5.3 for 175MHz INDY
|------------------------------------------------------------------------------------------------------------------------------
| 5.3 for    | Yes       | Indigo2              | Added support for Indigo2 175 MHz R4400, as well as support for 200MHz R4400
| 175MHz and |           |                      | with 2MB cache.
| 2MB cache  |           |                      |------------------------------------------------------------------------------
|            |           |                      | uname -r returns 5.3
|            |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 5.3
|            |           |                      | versions -n eoe1.sw.unix shows 1022267320
|------------------------------------------------------------------------------------------------------------------------------
| 5.3 [2]    | Yes       | All Platforms[1],    | Added Trusted IRIX features to 5.3. Supported on all 5.3 systems, but not the
| 5.3 TIRIX  |           | except 175MHz R4400  | 175MHz R4400 Indy or 175MHz R4400 Challenge S. Uname(1) incorrectly reports
|            |           | Indy/Challenge S,    | this is an alpha version of software.
|            |           | Power Challenge,     |------------------------------------------------------------------------------
|            |           | Power Onyx,          | Uname -r returns 5.3-ALPHA-1022131220.
|            |           | Power Indigo2        | uname -s returns TRIX.
|------------------------------------------------------------------------------------------------------------------------------
|6.0         | No        | Power Challenge,     | Added support for Power Challenge (IP21) and Power Onyx (IP21). First 64-bit 
|            |           | Power Onyx           | operating system. Shipped with Power Challenge and Power Onyx, and IP21
|            |           |                      | upgrades. Replaced by 6.1.
|            |           |                      |-------------------------------------------------------------------------------
|            |           |                      | uname -r returns 6.0
|-------------------------------------------------------------------------------------------------------------------------------
| 6.0.1      | Yes       | Power Challenge,     | Added support for Power Challenge M, Power Indigo2 (IP26). Supported on all
|            |           | Power Onyx,          | Power Challenge, Power Onyx, Power Indigo2. Shipped to all 6.0 support
|            |           | Power Indigo2        | customers. Replaced by 6.1.
|            |           |                      |------------------------------------------------------------------------------
|            |           |                      | uname -r returns 6.0.1
|            |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 6.0.1
|            |           |                      | versions -n eoe1.sw.unix shows 1121688834
|-------------------------------------------------------------------------------------------------------------------------------
| 6.0.1 XFS  | Yes       | Power Challenge,     | Added support to 6.0.1 for XFS file systems, and XLV logical volumes. Supported
|            |           | Power Onyx,          | on all Power Challenge, Power Onyx, Power Indigo2. Replaced by 6.1
|            |           | Power Indigo2        |------------------------------------------------------------------------------
|            |           |                      | uname -r returns 6.0.1
|            |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 6.0.1
|            |           |                      | versions -n eoe1.sw.unix shows 1121948034.
|-------------------------------------------------------------------------------------------------------------------------------
| 6.0.1 for  | Yes       | Power Indigo2        | Added support to 6.0.1 for Presenter. Supported on Power Indigo2 with Presenter.
| Power      |           | with Presenter       | Shipped with Presenter for Indigo2. Replaced by 6.1
| Indigo2    |           |                      |------------------------------------------------------------------------------
| with       |           |                      | uname -r returns 6.0.1
| Presenter  |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 6.0.1
|            |           |                      | versions -n eoe1.sw.unix shows 1122099920.
|-------------------------------------------------------------------------------------------------------------------------------
| 6.1        | Yes       | Power Challenge,     | Added support for 90MHz IP21 and IP26. Supported on Power Challenge, Power
|            |           | Power Onyx,          | Onyx, Power Indigo2. Shipped to all 6.0.1, 6.0.1 for Power Indigo2 with
|            |           | Power Indigo2        | Presenter, and 6.0.1 XFS support customers.
|            |           |                      | ------------------------------------------------------------------------------
|            |           |                      | uname -r returns 6.1.
|            |           |                      | versions -b eoe1 shows IRIX Execution Environment 1, 6.1.
|-------------------------------------------------------------------------------------------------------------------------------

  1. "All platforms" refers to all platforms that were shipping at the time of that release, excluding the VME ver- sions of the 4D/25, 4D/30, and 4D/35 (also known as V/20, V/30/35, VIP10 and VIP12). These last are VME board products, not systems.

  2. All platforms except systems with R2300 processors, systems with IP4 processors and G graphics, and systems with QIC-02 tape controllers.