Calling all PC-III family and 286 motherboard repair gurus 🙂 I have spent the past 6 or so months repairing a badly battery damaged PC40-III and have finally got it mostly working and usable, bar one strange fault I just can't work out with the 2nd bank of RAM which makes the system a lot less …

Did you enter the hard disk parameters in BIOS? If so, clear them out and try again. Also you can't connect a hard disk to a SB. The bios is fully autodetecting when functioning, there is no way to enter the bios on a non booting Compaq as the bios setup is stored on the hard drive. Nothing was …

Have tried swapping on various ram, though I doubt the chances of all 3 randomly dying at once. Normally it runs 96mb as 16mb 16mb 64mb DIMMs. Power supply seems fine, 5.01 on the 5v rail and 11.98 on the 12v rail. Although I just noticed the 3.3v LED on the post card isn't on in a PCI slot which I …

Ok so have a bit of an odd one with my Deskpro 2000. Had been working find in stock trim, opened it up this morning to fit an SB32 so I can actually put some games on it. And it started locking up at the drive detect process. My instant thought was the IDE controller on the SB is messing with the …

Apologies in advance digging up an old thread, but I happen to have a PC40-III with the same issue. Did the OP manage to get theirs working I wonder. Mine is the pre Dallas version so have repaired a lot of battery damage. WAS alive, then just randomly died after I left it on while I was trying to …