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for old computers in my apartment, I've got a MicroVAX 3100/40 under my desk that had some capacitor in the PSU let out the magic smoke. it's a neat little box, not particularly speedy (something like 3 VUPs) but you can run netbsd on it and telnet in just fine. also a mostly working mac classic ii. most recent acquisition is an IBM PS/2 Model 50, one of the weirder machines here as it's a 286 machine with a 1.44 MB floppy drive... and an MCA bus instead of ISA. everything in it checks out okay except the riser board for connecting the floppy controller to the proprietary card sockets that IBM used on the PS/2 floppies of this era has an exploded tantalum on the 12VDC rail, so the BIOS will detect the floppy drive but can't power on the motor. of course, since the CMOS is configured by booting from a floppy, and I had to replace the CMOS battery wiping the NVRAM in the process, I can't boot it from the hard drive until I fix this riser board. needless to say there's a bunch of soldering in my future
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Mar 8, 2024 03:48
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| # ¿ May 15, 2024 13:40 |
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