Gregory's ServerOK i let it sit and then rewrote a new reference disk. perhaps it detected the type 2 planar and screwed something up in the type 1 planar's CMOS?
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17 comments
 looks like I need to get my system unit serviced. error 10400 is pretty generic. my guess is that it is the system board memory that has gone bad. funny coincidence, i'm designing a memory tester right now! however, i hadn't thought about putting in sockets for these little guys. can you even *get* sockets?  @tubetime What kind of packaging is that? I’ve never seen anything like it. @foobarsoft IBM's crazy odd MST modules (later versions of their SLT modules that they invented in the 1960s) @tubetime Because of my unique personal history, my first thought was "I wonder if those were made in Burlington" (which was actually Essex Junction). @wollman see where it says "IBM 14" in the middle? the number there indicates the factory it was made in. apparently the code 29 indicated Essex, so this was a different factory. (see https://www.righto.com/2021/01/) https://www.twitch.tv/tubetimeus let's do some more board layout -- this time, i'm cloning an IBM PS/2 model 80 memory card (gee i wonder why) some folks are wondering what those metal cans are in the other post. here's a handy reference chart from IBM that shows modules with the lids removed.  @tubetime Yet Another Weird IBM Package I guess. All part of its early days vertical integration and vendor lock in strategy? @EricCarroll IBM MST. based on an earlier tech they called SLT (solid logic technology) that they developed in the '60s. @tubetime I thought it looked like the SLT package from the IBM 1130 & 370 I had my hands on at one time. Never seen MST before. Thanks!  |
it runs now. i get a 201 error and a 164 error on boot. hmm, memory error and memory size error.