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  1. J

    IBM RS6000 model 370 type 7012

    Will send you a PM
  2. J

    IBM 9595 Motherboard

    Check into a parallel port post code diagnostics, I am not sure if this one supports parallel port post codes, but if it does it might give you some hints/ideas where to look... I've always worried about this happening too, eg all of the lattice fpga (fpga I presume) chips eeprom section...
  3. J

    Ontario WTB ISA/PCI 5250 term emu card - /w 15 pin twinax interface

    WTB ISA/PCI 5250 term emu card - /w 15 pin twinax interface
  4. J

    DCI 5250 ISA card Twinax drivers

    I'm using Pcomm 4.3 under Windows 95, lots to me is strange here, last I used this stuff was 20 years ago, literally its been in a box since then, and my memory isn't fresh on this anymore. I did install the pcomm to a fresh PC and try that using the default, which I do believe is 271A ...
  5. J

    IBM 9406 AS/400 - twinax or operations console

    Hello I've got a 9406 model 170 which boots up to A9002000 which from some digging is 'cannot configure the console workstation '. My understanding is that these machines could use Twinax or something called Operations console, and they are not intended to change between one configuration or...
  6. J

    Ontario WTB IBM Operations console cable 9406-0367

    WTB IBM Operations console cable 9406-0367 Unsure if similar 9406-0348 model cable work would either?
  7. J

    DCI 5250 ISA card Twinax drivers

    You could be very right on that, I was trying to configure pcomm but there is no valid IO address matching 2718 -> 318H hex Seem to have a range of 11A, 21A, 240A -> 24AA, 24BA, 24CA, 24DA, 24EA, 24FA, 250A -> 25AA, 252A etc 260A -> 26AA, 26BA, etc 270A -> 27AA, 27BA 31A 41A Feel like im...
  8. J

    DCI 5250 ISA card Twinax drivers

    Hello, Would anyone happen to have the drivers for a DCI 5250 ISA card? I recall (about 20 years ago) I using something from affinity systems called stepsaver v4.11, but seems the disk is corrupt and with that lost most of the files. There are some utilities that weren't corrupted and still...
  9. J

    A way to re-use an IBM PS/2 dead drive

    Really neat idea, really good at keeping it simple as far as something like this goes!
  10. J

    IBM RS6000 model 370 type 7012

    This is what I ended up doing, at the time I didn't have a bootable CD, found one a while ago and its up and going.. thanks
  11. J

    IBM RS6000 model 370 type 7012

    In some sheer stroke of luck, I managed to get the disks made, somehow I was able to get the original FDD going, cleaned ribbon cable, replaced a few caps on the interface board, washed the board.. Needed to mkfs my /tmp VG, suspect maybe something was corrupted, bad block, who knows. It worked...
  12. J

    IBM RS6000 model 370 type 7012

    This is good to know, must be something up with the hardware somewhere, will keep digging on... All I can do is insert a disk, and press enter, the smit diag util and umkdskt are doing all the complicated stuffs : ) . Good to know I don't need a flux imager heh, maybe a known good working fdd...
  13. J

    IBM RS6000 model 370 type 7012

    I've yet to pickup a greaseweasle, but do intend to one day, for now just using the old hardware, which is probably the root cause of the issues here for me. Jonathan
  14. J

    IBM RS6000 model 370 type 7012

    I've yet to actually create one the disks, with the floppy drive issues at hand, and I ran into insufficient space on a 1.44m formatted disk when using a drive from another machine. I suspect these need to be on 1.78m formatted maybe. Do you know anyway to capture the disks images as the OS...
  15. J

    IBM RS6000 model 370 type 7012

    I don't but I can probably create some with instructions... The only ones I've seen so far are: Diagnostic Diskette Creation Service Aid This selection provides a tool for creating a set of customized diagnostic diskettes for this system...
  16. J

    IBM RS6000 model 370 type 7012

    Update: Managed to get myself out of trouble, did some digging and found a command called bosboot in combination with the switches -ad hdisk0 got things going again Step summary Boot off Aix cdrom, select option #4 maintenance shell 1. getrootfs hdisk0 2. bosboot -ad hdisk0 should see some...
  17. J

    IBM RS6000 model 370 type 7012

    I think you are right thought I haven't seen much, there seem to be many 7012 designations; The particular one I have has the CPU on a card, which probably was interchangeable with others. Wish I knew more... Of course, as luck would have it, years ago we all got rid of neat things we're after...
  18. J

    IBM RS6000 model 370 type 7012

    Managed to get the machine up and running. Floppy drive was working, somewhat. I replaced the usual suspects 4.7uf and 10uf caps on it, and it worked for a little bit, but still wasn't booting off the drive. While I did the caps, I noticed the 2nd board had a lot of corrosion on it as well. In a...
  19. J

    IBM RS6000 model 370 type 7012

    Ah that's pretty neat then. I don't think I will be doing any instruction asm coding on these, just tinkering about really. I have a RS6K model 250 here as well, seems to me its speed is about the same, from the same era, and has what you'd typically expect to find one big chip with a...
  20. J

    IBM RS6000 model 370 type 7012

    thanks for confirming there's no expected output during post codes. I managed to find a "bootdisk" which boots to a menu, where I can set the boot order for normal and service mode. It has a shell prompt option as well, however, that requires me to know the existing root password. I tried the...
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