First post, by Skip94
Hi all
Picked up a pair of IBM PS/1s yesterday, a 2121 and a 2011. The 2121 works, despite having been filled with mouse poo, however the 2011 doesn't. Upon powering on, I get one long and two short beeps, which seems to indicate video error. It is producing a video signal as when connected to my LCD monitor, it wakes it up, but I only get a black screen.
Nothing is socketed, except for the Dallas 1287 clock chip. I have swapped in a working one from my Pentium 166, but that hasn't made any difference.
Other than that, I'm not really sure where to start with diagnostics, with no parts to swap and no ISA slots to put a POST card in.
Any ideas would be appreciated.
Skip