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  1. Thread: Microkit 8/16

    by WBST
    Replies
    24
    Views
    415

    My apologies, I don't automatically recognise...

    My apologies, I don't automatically recognise chips from that era, despite having had an S-100 bus system once upon a time. :( ;)
  2. Status Update (again) I can't list or...

    Status Update (again)

    I can't list or photograph all these, it'd take days!

    IBM PS/2 DBA-ESDI drives (no sleds, suit PS/2 Models 50z/55SX/55LS/70)
    IBM WDL-330R 1/3 height 3.5" 30MB
    IBM WD-387...
  3. If using NU, beware of using other directory...

    If using NU, beware of using other directory manipulation utilities like DS (Directory Sort) to better see which files to undelete. Anything that alters the directory structure will be destructive of...
  4. If it's the Jaz Jet PCI Ultra SCSI-2 adapter,...

    If it's the Jaz Jet PCI Ultra SCSI-2 adapter, then you'll need an HD50-HD50 cable to the Jaz drive and an HD50-HD68 converter cable (or HD50F to HD68M adapter) to the DLT drive, and need to ensure it...
  5. It'll depend how you build the external drive...

    It'll depend how you build the external drive SCSI bus. You just have to enable termination on the last drive, either by drive jumpers/switches, or via an external terminator pack (of the correct...
  6. If you haven't done much to the directory...

    If you haven't done much to the directory structure since, one can even do this via DEBUG. The first character of the filename in the directory is changed to E5h, making the file "invisible", but the...
  7. De nada, amigo. I'm very much in the same...

    De nada, amigo. I'm very much in the same position - so much to do, so little time (and energy) available. :D
  8. Thread: Microkit 8/16

    by WBST
    Replies
    24
    Views
    415

    My guess would be corrupted boot PROM(s), which...

    My guess would be corrupted boot PROM(s), which CPU and what display adapter would govern the appropriate code.

    Further looks show an 8080 and 8216 PROMs, AFAICS. So, maybe it's the display...
  9. You can ignore this now, if you'd prefer. A...

    You can ignore this now, if you'd prefer. A U.S.-based friend has got a 1.2MB bare drive for me, so I can convert my -001 to -002 capability. Sorry if you've gone to a lot of trouble thus far.
  10. Replies
    3
    Views
    42

    Then the video adapter is probably your next port...

    Then the video adapter is probably your next port of call. These should be initialised during POST ROM BIOS area scan.
  11. Replies
    3
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    42

    Generally speaking two beeps just indicates a...

    Generally speaking two beeps just indicates a POST error/errors. If the RTC/CMOS battery is flat that could be the cause, date and time not set for others.

    Always try to use a...
  12. Are they MO drives? Is there any "laser warning"...

    Are they MO drives? Is there any "laser warning" on the drive???

    I have SyJet (1.5GB) external SCSI and a SparQ (1.0GB) external parallel to SCSI drive, plus Iomega Jaz 1GB and 2GB external SCSI...
  13. What Chuck(G) said is spot on. I have early DLT...

    What Chuck(G) said is spot on. I have early DLT hardware (<= 30GB / tape) and DAT DDS2 autoloader drives to play with. Even my Multiprise 3000 (mini-sized mainframe) has a DDS3 drive, but the...
  14. I suspect the Minnesota card is part of a...

    I suspect the Minnesota card is part of a composite video camera to VGA monitor switching component board, there looks to be an LED display at the edge with the pin connectors. I suspect there are...
  15. Thread: Option 370 for AT

    by WBST
    Replies
    15
    Views
    739

    Well, 9595 not 8595.

    Well, 9595 not 8595.
  16. By the user, but it's usually a selectable option...

    By the user, but it's usually a selectable option for the "set", IIRC. Floppy streamer tape drives being cheap didn't run to the expense of dual heads and comparator circuitry.



    That would...
  17. Replies
    10
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    176

    As I'd said previously, the PD encoding converged...

    As I'd said previously, the PD encoding converged after 8MB 70ns (Parity or ECC), so quite possibly. The main concern would be reactance of gold-plated SIMMs in tin-plated SIMM sockets and the like.
  18. Replies
    10
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    176

    I've no experience of non-IBM servers, so it's up...

    I've no experience of non-IBM servers, so it's up to the user to do the research, from my point of view.
  19. Replies
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    176

    Well, I have a boxful of NOS IBM FRU 96F9100 16MB...

    Well, I have a boxful of NOS IBM FRU 96F9100 16MB ECC SIMMs, if you're interested - asking 5.00 per pair plus P&P.
    I also have an MCA Mafia contact who has the 32MB variety.
  20. Have you tried the Apple Store or support? It may...

    Have you tried the Apple Store or support? It may have been a bespoke distribution.
  21. I can't seem to find a reference to Apple Mac...

    I can't seem to find a reference to Apple Mac support in the Wayback Machine. Do you remember the Version approximately?

    See here:...
  22. Back in the dim and distant, I started out with...

    Back in the dim and distant, I started out with an IBM PS/2 ITBU (Internal Tape Backup Unit). This was basically an Irwin drive using 3M DC2000 (80MB) or DC2000XL (120MB) unformatted QICs, these are...
  23. Even so, we're not called the MAD (Microchannel...

    Even so, we're not called the MAD (Microchannel Addicitive Disorder) men for nothing. ;)
  24. Any chance of even a guesstimate to ship one to...

    Any chance of even a guesstimate to ship one to me? Only asking.

    IBM PS/2 FDs are all jumpered Drive 1, the twist in the cable between Drive B: and Drive A: connectors is to cater for this.
  25. Replies
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    176

    Ordinarily it's not obvious, visually, which...

    Ordinarily it's not obvious, visually, which SIMMs are Non-Parity, Parity, EDO (Extended Data Out), EOS or ECC SIMMs. There are a total of 5 "presence detect" signals, including the ECC indication, 4...
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