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- UATA100.TXT Rev. J 06-Jan-2003
- _____________________________________________________________________
- UATA100.EXE version 3.06 (p/n 22800061-010)
- Utility to set default maximum Ultra ATA Support
- _____________________________________________________________________
-
- Copyright (c) 1999-2003 by Seagate Technology LLC. All rights
- reserved.
-
- The new Ultra ATA/100 interface extends the speed up to 100
- Mbytes/second burst transfer rates using Ultra DMA mode 5. The Ultra
- ATA/66 interface doubles the speed of data transfers on the ATA (IDE)
- bus, providing up to 66.6 Mbytes/second transfer rates using Ultra DMA
- mode 4.
-
- Many Seagate disc drives can be configured to support a default
- maximum transfer rate. This can range from transfer rates between 16
- and 100 Mbytes per second, depending on your drive model. Using this
- software utility, you can set the default transfer rate to the best
- capability of your system.
-
- Table of Contents
- -----------------
- --Requirements
- --Current Supported Seagate Drive Models
- --Command Line Usage
- --Background
- --Frequently Asked Questions
- --UATA100/66 Revision History
- --Obtaining Updated Versions
- --USER LICENSE AGREEMENT
-
- =====================================================================
-
- Requirements
- ------------
- There are four requirements for attaining Ultra ATA33, Ultra ATA/66 or
- Ultra ATA/100 - collectively referred to as Ultra ATA/33/66/100:
-
- * The drive must support the specific feature of Ultra
- ATA/100/66/33.
-
- * The motherboard and system BIOS (or an add-in controller) must
- support the specific feature of Ultra ATA/100/66/33. BIOS and
- system settings may call these UDMA or Ultra DMA modes 5, 4 and
- 2.
-
- * The operating system must support Direct Memory Access (DMA);
- Microsoft Windows Me, 98 and 95b support Ultra ATA/100/66 and
- lower. Windows 95a supports up to Ultra ATA/33.
-
- * The cable must be 40-pin 80-conductor cable to support Ultra
- ATA/100/66. A standard 40-pin ATA inferface cable for
- Ultra ATA/33 (Ultra DMA modes 2 or 3). The length should not
- exceed 18 inches.
-
- If all the above requirements are met, the drive default setting can
- be re-configured to support its highest Ultra ATA mode. The default
- setting may be set slower than the maximum system capability. However,
- the drive default setting should never be set faster than the maximum
- system and cable capabilities.
-
- =====================================================================
-
- Current Supported Seagate Drive Models
- --------------------------------------
- This utility will switch the maximum reported Ultra ATA mode between
- Ultra ATA/33, Ultra ATA/66 or Ultra ATA/100 on the following Seagate
- Technology Barracuda ATA, Barracuda ATA II, III, IV, V, 5400.1, 7200.7,
- Medalist, U4, U8, U10, U series 5 and U Series 6 disc drive families.
-
- The following Seagate models are supported:
-
- ST31013A ST32110A ST32111A ST32112A ST32510A ST33210A ST33220A
- ST33221A ST33223A ST34310A ST34311A ST34312A ST34313A ST34321A
- ST34323A ST34325A ST35110A ST35120A ST35130A ST35131A ST36421A
- ST36422A ST36423A ST36424A ST36531A ST36540A ST36810A ST36811A
- ST36812A ST37511A ST37630A ST38410A ST38411A ST38420A ST38421A
- ST38422A ST38630A ST38641A ST39111A ST39113A ST39120A ST310014A
- ST310210A ST310211A ST310212A ST310213A ST310215A ST310216A ST310217A
- ST310220A ST310221A ST310222A ST310230A ST310231A ST310232A ST310240A
- ST312940A ST313021A ST313030A ST313032A ST313520A ST313620A ST313622A
- ST313623A ST313624A ST313640A ST314220A ST315310A ST315311A ST315312A
- ST315313A ST315320A ST315321A ST315322A ST315323A ST315324A ST315330A
- ST317221A ST317240A ST317242A ST320011A ST320013A ST320014A ST320410A
- ST320413A ST320414A ST320415A ST320420A ST320423A ST320424A ST320430A
- ST320440A ST327240A ST328040A ST330011A ST330012A ST330013A ST330610A
- ST330620A ST330621A ST330624A ST330630A ST330631A ST330640A ST340012A
- ST340016A ST340017A ST340810A ST340823A ST340824A ST340825A ST360012A
- ST360015A ST360016A ST360020A ST360021A ST380020A ST380021A ST380022A
- ST380023A ST380024A ST3120020A ST3120023A ST3120024A ST340015A ST340019A
- ST380012A ST3120025A ST3160022A ST340014A ST360014A ST380011A ST3120022A
- ST3160021A ST3160023A ST3120026A ST380013A
-
-
- =====================================================================
-
- Usage
- -----
- This utility may not be executed while Microsoft Windows is active. To
- use this utility, create a bootable MS-DOS diskette that contains a
- copy of this utility and boot from the diskette.
-
- This program will run as either a menu-based program or by command
- line options.
-
- From a command prompt, type
-
- uata100
-
- and press ENTER.
-
- In the menu-based mode, use the up and down arrow keys to select the
- controller and then drive to re-configure. The utility will only allow
- selection of supported devices (if only one supported device is
- present, the arrow keys will appear to have no effect).
-
- Press the ENTER key to display a highlighted list of the drive's
- available Ultra DMA modes. Do not set the new maximum mode higher
- than the capability of your system and cable. See the Requirements
- section above for complete details.
-
- After the utility has completed, reboot the system.
-
- In the command line mode:
-
- UATA100 [option]
- where [option] can be one of the following
- -m <#> Set the maximum Ultra DMA mode to # for each
- configurable device found.
- -d Set the maximum Ultra DMA mode to the device maximum for
- each configurable device found.
-
- or if no command line options are given, user interactive mode will
- start.
- =====================================================================
-
- Background
- ----------
- Ultra ATA/100/66-capable devices from Seagate and others are currently
- shipping; however, few systems currently support the highest protocol.
- Furthermore, some BIOSs do not operate correctly with drives set to
- run in Ultra ATA/100/66 modes.
-
- For example, some BIOSs check for Ultra ATA (also called Ultra DMA)
- support and subsequently set the mode to the maximum speed supported
- by the drive, regardless of the system support. These systems may only
- provide support up to Ultra ATA/33, but they set the drive to operate
- in Ultra ATA/100 or ATA/66 mode, causing the system and drive to
- attempt to communicate at different speeds.
-
- Current Seagate Technology Ultra ATA/66-capable drives are configured
- to support Ultra ATA/33 when shipped. This shipping configuration
- ensures maximum compatibility with systems available today. If the
- requirements noted above are met, then the drive may be re-configured
- to support Ultra ATA/100 or ATA/66 by running the UATA100.EXE utility.
- This utility will also support resetting the configuration to support
- the original Ultra ATA/33 configuration.
-
- =====================================================================
-
- Frequently Asked Questions
- --------------------------
- Ultra ATA/100/66 enhances existing Ultra ATA/33 technology by
- increasing both performance and data integrity. This new high-speed
- interface triples the Ultra ATA/33 burst data transfer rate to 100
- Mbytes/sec. The result is maximum disc performance using the current
- PCI local bus environment.
-
- --What is Ultra ATA/100/66?
- --How does Ultra ATA/100/66 attain faster transfer rates?
- --Who is developing Ultra ATA/100/66 drives?
- --Is Ultra ATA/100 backward compatible with my current Ultra ATA/66/33
- system?
- --What is required to run Ultra ATA/100?
- --Where can I get the utility to activate Ultra ATA/100/66 on my
- drive?
- --Why is there a blue, black and a gray connector on my Ultra ATA/66
- cable?
- --Can I mix Ultra ATA/33 and Ultra ATA/66 drives on the same cable?
- --What operating systems support Ultra ATA/100/66?
- --Do I need a special Ultra ATA/100/66 device driver?
- --What are some common troubleshooting steps?
-
- What is Ultra ATA/66?
- ---------------------
- Ultra ATA/100, also known as Ultra DMA mode 5, enhances existing Ultra
- ATA/66 or Ultra ATA/33 technology by increasing both performance and
- data integrity. This new high-speed interface triples the Ultra ATA/33
- burst data transfer rate to 100 Mbytes/sec. The result is maximum disc
- performance using the current PCI local bus environment.
-
- How does Ultra ATA/100/66 attain faster transfer rates?
- ---------------------------------------------------
- Ultra ATA/100/66 removes bottlenecks associated with data transfers,
- especially during sequential operations. Ultra ATA/100/66 requires a
- special 40-pin, 80-conductor cable that reduces noise bleed-over and
- improves signal integrity by providing 40 additional ground lines
- between each of the standard 40-pin ATA (IDE) signal lines and ground
- lines.
-
- Who is developing Ultra ATA/100/66 drives?
- --------------------------------------
- Ultra ATA/100/66 is endorsed by all leading hard drive manufacturers
- including Seagate, Fujitsu, IBM, Maxtor, Quantum, Toshiba, Western-
- Digital and others. The Ultra ATA/100/66 protocol is also endorsed by
- Intel with full industry support expected in 1999.
-
- Is Ultra ATA/100 backward compatible with my current Ultra ATA/33
- system?
- ----------------------------------------------------------------
- Yes. Ultra ATA/100 is backward compatible with all Ultra ATA/33
- systems, but it w1ill be limited in its transfer mode to the Ultra
- ATA/33 (Ultra DMA Mode 2 - 33.3 Mbytes/sec) or PIO Mode 4 (16.6
- Mbytes/sec). Ultra ATA/100/66 hard drives are 100 percent backward
- compatible with both Ultra ATA/33 and DMA and with existing ATA (IDE)
- hard drives, CD-ROM drives, and host systems. The Ultra ATA/100/66
- protocol and commands are designed to be compatible with existing ATA
- devices and systems. Although a new 40-pin, 80-conductor cable is
- required for Ultra ATA/66, the chipset pin count remains the same at
- 40. Hard drives that support Ultra ATA/100 also support Ultra
- ATA/66/33 and legacy ATA (IDE) specifications.
-
- What is required to run in Ultra ATA/100 Mode?
- ---------------------------------------------
- There are basically four requirements:
- * An Ultra ATA/100-capable system board and BIOS.
- * An Ultra ATA/100-capable 80-conductor cable.
- * An operating system capable of DMA transfers.
- (WinMe, Win98 and Win95 (OSR2) are capable.)
- * An Ultra ATA/100 capable device. (Seagate drives require an
- activation utility for each device.)
-
- Ultra ATA/100/66 technology is defined such that the PC and the hard
- drive can both detect the presence of the required 80-conductor cable.
- The system board must have a special capacitor on pin 34 to detect the
- cable. The cable must have a notch cut in line 34 to correctly detect
- an Ultra ATA/100/66 device.
-
- Where can I get the utility to activate Ultra ATA/66 on my drive?
- -----------------------------------------------------------------
- Eventually, all Ultra ATA/100/66 drives will be shipped with the
- utility either on diskette or CD-ROM. In the interim, the utility
- (UATA100.EXE) can be downloaded from
- ftp://ftp.seagate.com/techsuppt/seagate_utils/uata100d.exe. The
- version available on the web is a self-extracting zip file and must be
- unzipped and placed on a bootable diskette.
-
- Why is there a blue, black and a gray Connector on my Ultra ATA/66
- cable?
- ------------------------------------------------------------------
- The 40-pin, 80-conductor cables will support the Cable Detect feature.
- The blue (end) connector should be connected to the system board. The
- black (end) connector is known as the master position. The gray
- (middle) connector can be used for a slave device as needed. Although
- an Ultra ATA/100/66 device should work fine in either the black or the
- gray connector, if your are having difficulty, consider
- troubleshooting with the drive in the black connector.
-
- Can I mix Ultra ATA/33 and Ultra ATA/66 drives on the same cable?
- -----------------------------------------------------------------
- Yes, a legacy ATA (IDE) specification drive can coexist with an Ultra
- ATA/66 drive. However, for the Ultra ATA/66 device to attain Ultra
- DMA 4 mode, an Ultra ATA/66-capable cable is required.
-
- What operating systems support Ultra ATA/66?
- --------------------------------------------
- Primarily because the operating system is not the controlling factor,
- most operating systems, including all current Windows versions
- (Windows XP, 2000, Me, 98, and 95 (OSR2)), support Ultra ATA/66. Ultra
- ATA data transfer rate is determined by your hard drive, your
- controller, and the BIOS. The only requirement on the operating system
- is to be able to support DMA transfers.
-
- Do I need a special Ultra ATA/100/66 device driver?
- -----------------------------------------------
- Not necessarily. Because the operating system (WinMe/98/95) handles
- Ultra ATA and Ultra ATA/100/66 the same as DMA, there should be no
- special device drivers. However, as with Ultra ATA (IDE), not all
- system boards and BIOSs will correctly interface with the operating
- system. In these cases, a special device driver or patch will have to
- be provided by the system board manufacturer to make the system
- capable of attaining Ultra ATA/100/66.
-
- What are some common troubleshooting steps?
- -------------------------------------------
-
- 1. Make sure the cable is Ultra ATA/100/66 capable. An Ultra
- ATA/66-capable cable is a 40-pin, 80-conductor cable with a
- black connector on one end, a blue connector on the other end,
- and a gray connector in the middle. In addition, line 34 on the
- cable should be notched or cut (this may be hard to see with the
- human eye).
-
- 2. Make sure the system board is capable of Ultra ATA/100/66. An
- Ultra ATA/66-capable system board has a detect circuit with a
- capacitor for detecting line 34 missing on the cable. If there
- is no capacitor, the system can wrongly detect the presence of an
- Ultra ATA/100/66 cable and therefore try to configure the device
- for a higher transfer rate.
-
- 3. Some system boards may not successfully handle Ultra ATA/66 on
- both ATA (IDE) channels. If you have difficulty, consider
- troubleshooting with the device in the Primary Master position.
-
- 4. Contact the system board manufacturer for the latest BIOS
- upgrade and any Ultra ATA/66 special device drivers or patches.
-
- 5. Make sure the operating system is DMA capable and that the DMA
- mode is activated. (For Windows 95/98, check Device Manager |
- Drive Settings tab for a check box.)
-
- 6. Make sure the drive is Ultra ATA/100/66 capable and has been
- configured to run at Ultra ATA/66 transfer rates. (Seagate
- drives require an ultra ATA activation utility.)
-
-
- =====================================================================
-
- UATA66 Revision History
- -----------------------
- v1.02 01-Apr-1999 Initial public release
- v2.01 18-Jun-1999 Adds interactive mode and Barracuda ATA
- family
- v2.02 08-Oct-1999 Adds support for new U8 and two additional
- Barracuda ATA family drives
- v2.05 23-Feb-2000 Adds support for new U10 and Barracuda
- ATA II families
- UATA100 Revision History
- -----------------------
- v3.00 03-Aug-2000 Name change to UATA100. Added support for
- Promise controllers. Opened support to
- older Ultra ATA/33 drive families. New menu
- driven interface.
- v3.02 08-Dec-2000 Adds support for new Barracuda ATA III
- and U Series 5 drive families. Adds new
- command line options for batch file
- processes.
- v3.03 27-Jun-2001 Adds support for new Barracuda ATA IV and
- U Series 6 drive families.
- v3.04 13-Aug-2002 Adds support for new Barracuda ATA V and
- U Series X drive families.
- v3.06 07-Jan-2003 Adds support for new Barracuda 7200.7 and
- Barracuda 5400.1 drive families.
-
-
- =====================================================================
-
- Obtaining Updated Versions
- --------------------------
- UATA100 may be updated to add new models and features and maintain
- compatibility with changes in technology. The latest copy can always
- be obtained from the Seagate web site at www.seagate.com
-
- =====================================================================
-
- USER LICENSE AGREEMENT
-
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- =-------------------------------------------------------------------=
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-
- (C) 1999-2003 Seagate Technology LLC. End of User License Agreement.
-
- =====================================================================
-
- -=End of File: UATA100.TXT Rev. J=-
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