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not mine - IBM PS/2 Modem 95 Server, $50 BIN

Maverick1978 said:
@IBMMuseum... spot on - as I've just now gotten it disassembled, pulled the cards, replaced the button cell battery, pulled the drives, and am preparing to go and blow out the dust with the tire fill hose at the local convenience store - this is perhaps the dustiest machine I've ever seen!

Type 4 P60 complex, two video cards surprisingly - one has dual 15-pin connectors, one has 1 15-pin connector. Tri-head setup?

RJ45 ethernet, Fast SCSI controller with on-board RAM, with the CD-ROM and 5 hard drives in the array... this thing is loaded to the gills.

Only 72mb of RAM though - 4x16mb and 2x8mb with 2 empty slots. Think I'm going to have to max that out - need to research if it's capable of using non-IBM ram :)

And the saga continues.... need to charge the camera battery, too.

For anyone that wants a good look at the inside of these things, here's a site I found to double-check my thoughts on the disassemble (I was wanting to be doubly sure that I didn't break some of the plastic here)
Click to expand...

The 'P' and 'Q' complex will look very similar - It is a 'Q' (P66) as marked? Usually main video will be XGA-2. Please list the video cards by position - Microchannel has BVE (Base Video Extension) and AVE (Auxiliary Video Extension) slots that will identify what is what better.

You can also run a simple BASIC program to find out the adapters...

Being an "Array" model it would mean a 'Passplay', especially since that was stock and you see SCSI cache (it also should be in one of the top slots)...

With special ECC RAM you can get to 256Mb (Louis is wrong on the L1 size, with a Pentium it is 8Kb code and data caches): http://ibmmuseum.com/ohlandl/complexes/Type4-Q.html#Memory
 
IBMMuseum said:
The 'P' and 'Q' complex will look very similar - It is a 'Q' (P66) as marked? Usually main video will be XGA-2. Please list the video cards by position - Microchannel has BVE (Base Video Extension) and AVE (Auxiliary Video Extension) slots that will identify what is what better.

You can also run a simple BASIC program to find out the adapters...

Being an "Array" model it would mean a 'Passplay', especially since that was stock and you see SCSI cache (it also should be in one of the top slots)...

With special ECC RAM you can get to 256Mb (Louis is wrong on the L1 size, with a Pentium it is 8Kb code and data caches): http://ibmmuseum.com/ohlandl/complexes/Type4-Q.html#Memory
Click to expand...

Caught me while I was editing the other post! (I hate to be the guy that has 2 and 3 straight comments in a thread)

Thanks for the links! The floppy drive is working fine (thankfully - I dread taking apart floppy drives!), and the 95A ref disk I made is finding everything but the ethernet card and the 2-port "video" card (upon closer inspection, various pins are gone from that card. I might not be video - need to do more research)

Looking at the line drawings for the various complexes, I've got a P Type complex, except mine has a 66mhz oscillator on it - I do have the Blue u23.

I'm going to have to get pix up on this thing... there doesn't seem to be many real pictures out in the wild of the internals on this thing. That said, on the site that I linked earlier, I don't have the "storage drawers" as photographed. I have 5 drives, and a small plastic "placeholder" for the 1st slot. Unfortunately, no hard drive cage for that - guess I'll never be able to run 6 hard drives here! (as if I'll EVER need that!)
 
Chuckster_in_Jax said:
ADF files:

http://ps-2.kev009.com:8081/eprmhtml/epradf/adfall.htm
Click to expand...

Thanks for the links!

At this point, I think I'm done for the night with this system. I've ran the diagnostics and tested everything. It's found a suspect memory chip in B3 (an 8MB chip, IIRC), and it's indicated that my SCSI terminations are incorrect (which they are, as I pulled the bad drive in slot 3 that I can get to do nothing)

I'm not sure how to go about reterminating the SCSI drives and reworking the remaining ones to where I can format and use them, and I've not pulled the 2 oddball cards to find the FRUs and figure out which ADFs I need.

Gotta save something for later, right? :)

*edit

Alright. I lied. The unknowns on the 2 cards were annoying me :) I got the ADF for the ethernet card (IBM Auto Lanstreamer MC32), and I identified the other card (an IBM v.35 Wide area connection card) - this, of course, is missing the breakout cable. Not that I'd have anything to use it for anyway. Right now, it's most valuable service is as a slot cover since I don't have any spare MCA slot covers.
 
Last edited:
OK. So I pulled out the Beast tonight and started screwing with it again.

I've a 95A, type 9595-3QT

It still has the Q complex, and rather than 3 drives, it has 5, located in slots 3-7. The drive in slot 3 is dead.

In addition, it has the Passplay Raid adapter in it (FRU 92F0335), with 5 hot-swap drives, FRU 61G3828, which are 1gb SCSI-2 drives, I believe.

Here's the problem - the drive in slot 3 is dead. The other drives are recognized and pass initialization tests. I can't figure out exactly how to change and/or update the RAID array to reformat/initialize and work with 4 drives. I suspect that I need the Raid Controller Utility mentioned here, however all the links seem to be down, and even on the other 9595 archives, the link to this utility is the same.

Any help would be GREATLY appreciated.
 
Maverick1978 said:
OK. So I pulled out the Beast tonight and started screwing with it again.

I've a 95A, type 9595-3QT

It still has the Q complex, and rather than 3 drives, it has 5, located in slots 3-7. The drive in slot 3 is dead.

In addition, it has the Passplay Raid adapter in it (FRU 92F0335), with 5 hot-swap drives, FRU 61G3828, which are 1gb SCSI-2 drives, I believe.

Here's the problem - the drive in slot 3 is dead. The other drives are recognized and pass initialization tests. I can't figure out exactly how to change and/or update the RAID array to reformat/initialize and work with 4 drives. I suspect that I need the Raid Controller Utility mentioned here, however all the links seem to be down, and even on the other 9595 archives, the link to this utility is the same.

Any help would be GREATLY appreciated.
Click to expand...

Try this one, where I have local copies of the executables: http://ibmmuseum.com/ohlandl/RAID/RAID_Passplay.html
 
Saw that and tried that... Wrote out Option Disk #1 and attempted to boot from it. My 95A only wanted its Reference Disk as a boot. Unless I misunderstood, I thought these were supposed to be bootable?

That is assuming that I didn't screw the disk up. I attempted to write it out using DOSBox but got an error, so I did it how I did the reference disk - went to the XP command prompt, wrote out the disk, immediately removed it without doing a DIR or anything that would corrupt it, put in the 95 and attempted to boot.
 
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