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- This directory contains bootable disk images for some versions of PDP-11 UNIX.
- In general, the images are compressed and have the name xx_yy_zz where xx is
- the version of UNIX, yy is the type of disk, and zz is the type of PDP-11 for
- which the image was built.
-
- There are several other bootable disk images in the Distributions section:
-
- Distributions/research/Dennis_v5 RK05
- Distributions/research/Dennis_v6 RK05
- Distributions/research/Ken_Wellsch_v6 RK05
- Distributions/other/Torsten RL02 (modified 7th Edition)
- Distributions/usdl/Minix-Unix RK05
-
- The user/password for the Torsten image is root/pdp. Also, the following
- systems can be booted from tape:
-
- Distributions/ucb/2.9BSD
- Distributions/ucb/2.11BSD
-
- Caveats
- -------
-
- Most of the images are not full-sized, as only the filesystem was dumped.
- The swap space has been omitted. If you intend to use the images with a PDP-11
- emulator, you may need to extend the images with null blocks. An RK05 disk
- image should be 4,872 blocks (2,494,464 bytes) in size. An RL02 disk image
- should be 20,480 (10,485,760 bytes) in size.
-
- The disk images are in little-endian format. If you are running a PDP-11
- emulator on a big-endian computer, you MAY have to byte-swap the image.
- Check the emulator's documentation for details.
-
- For the Ersatz emulator, you will need to rename the uncompressed disk
- images to fit into MS-DOS' 8.3 file naming scheme. The images must end
- with the .dsk suffix.
-
-
- v6_rl02_unknown
- ---------------
-
- 6th Edition on an RL02, sent in by Tim Shoppa. I haven't looked at it yet,
- but it must have a modified kernel as vanilla V6 didn't support RL02. If I
- can find the kernel source, I'll certainly extract it and put it somewhere.
-
- Example simulator initialisation files:
-
- Supnik 2.3d Ersatz 2.0
- set cpu 18b set cpu 45
- att rl0 v6_rl02_unknown mount DL0: v6_rl02.dsk
- boot rl boot DL0:
-
- Following is what you will see and should type in if all goes well.
-
- !unix <-- you type unix
- unix v6 11/23
- mem = 99 KW max = 63
- #
-
- v7_rl02_1145
- ------------
-
- 7th Edition UNIX on a RL02. This is pretty much full V7 with usr/doc omitted
- to fit. The image should boot on some other models e.g 11/40. If it does/doesn't
- boot on your system, let me know so I can update this file.
-
- Example simulator initialisation files:
-
- Supnik 2.3d Ersatz 2.0
- set cpu 18b set cpu 45
- att rl0 v7_rl02_1145 mount DL0: v7_rl02.dsk
- boot rl boot DL0:
-
- Following is what you will see and should type in if all goes well.
-
- @boot <-- you type boot
- New Boot, known devices are hp ht rk rl rp tm vt
- : rl(0,0)rl2unix <-- you type rl(0,0)rl2unix
- mem = 177856
- #
-
-
- v7_rk05_1145
- ------------
-
- 7th Edition UNIX on a RK05. There's only enough here to boot, as the file system
- has to fit into 4,000 blocks, i.e 2 Meg. You will want to bring the rest of 7th
- Edition in after you get this to boot. The image should boot on some other
- models e.g 11/40. If it does/doesn't boot on your system, let me know so I
- can update this file.
-
- Example simulator initialisation files:
-
- Supnik 2.3d Ersatz 2.0
- set cpu 18b set cpu 45
- att rk0 v7_rk05_1145 mount DM0: v7_rk05.dsk
- boot rk boot DM0:
-
- Following is what you will see and should type in if all goes well.
-
- @boot <-- you type boot
- New Boot, known devices are hp ht rk rl rp tm vt
- : rk(0,0)rkunix <-- you type rk(0,0)rkunix
- mem = 178816
- # STTY -LCASE <-- you type stty -lcase
- #
-
-
- 2.9BSD_rl02_1145
- ----------------
-
- I didn't build this so I have no idea how much of 2.9BSD it contains.
- Compare with the 2.9BSD in the Distributions directory. It boots on an 11/45,
- but I have no idea what else it will boot on.
-
- Example simulator initialisation files:
-
- Supnik 2.3d Ersatz 2.0
- set cpu 18b set cpu 45
- att rl0 2.9BSD_rl02_1145 mount DL0: 29bsd_rl.dsk
- boot rl boot DL0:
-
- Following is what you will see and should type in if all goes well.
-
- :boot <-- you type boot
-
- 45Boot
- : rl(0,0)rlunix <-- you type rl(0,0)rlunix
-
- Berkeley UNIX (Rev. 2.9.1) Sun Nov 20 14:55:50 PST 1983
- mem = 135872
-
- CONFIGURE SYSTEM:
- xp 0 csr 176700 vector 254 attached
- rk 0 csr 177400 vector 220 attached
- hk ? csr 177440 vector 210 skipped: No CSR
- rl 0 csr 174400 vector 160 attached
- rp ? csr 176700 vector 254 interrupt vector already in use
- ht 0 csr 172440 vector 224 skipped: No CSR
- tm 0 csr 172520 vector 224 attached
- ts 0 csr 172520 vector 224 interrupt vector already in use
- dh ? csr 160020 vector 370 skipped: No CSR
- dm ? csr 170500 vector 360 skipped: No autoconfig routines
- dz ? csr 160110 vector 320 skipped: No CSR
- dz ? csr 160110 vector 320 skipped: No CSR
- dn 0 csr 175200 vector 300 skipped: No autoconfig routines
- vp ? csr 177500 vector 174 skipped: No autoconfig routines
- lp 0 csr 177514 vector 200 attached
- Erase=^?, kill=^U, intr=^C
- #
-