Gregory's Serverthe glue has dried. I'm not crazy about the fit but it is much better than before. it should look pretty good after I paint it, someday.
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 the operation won't start until the parallel port is ready--i had to pull the BUSY line low with a jumper, and now i instantly get this error! good luck figuring that one out  @tubetime  @tubetime I'd really like the W variant to use external bubble memory just 'coz 1980s Intel. 🙂 But what the heck is it, only thing I can see is a Japan fab variant mentioned here: https://www.cpu-galaxy.at/cpu/Ram%20Rom%20Eprom/Microcontroller/Intel%208X196%20section.htm Even the 8XC196Lx Supplement PDF linked there does not mention it.  @tubetime *takes out a bucket of popcorn*  i found a really good quality of life improvement for working with this machine. as with any PS/2, you can "bless" any boot disk and the PS/2 will think it is a Reference Disk. see http://www.tavi.co.uk/ps2pages/ohland/refpartn.htm  @tubetime please elaborate what the partition table looks like. Does the partition table MS-DOS sees cover the size of the disk minus some amount for the convenience partition? This if you move the drive to another machine does it look like inpartitioned space? Is it before or after the otherwise standard partitioned space?   @tubetime ESDI? That's a name I haven't heard in a very long time. @tubetime It's at this point that the reader realizes they have been trapped in a thread, snaking straight into a Micro Channel sound card. 🙂  @tubetime I don’t know why I’m surprised that IBM used MCA in ThinkPads, but it does make sense! @tubetime Where's the code setting up the DMA channel so the parallel port doesn't read/send data from the weeds? :D |
the laptop was missing the modem cover so I'm making a new one. this design is supposed to slide in place, but I think the original was supposed to hinge down, and probably didn't have any openings in it.