Mike's PCjr Page

hi! here's something unexpected for me! i upgraded/repaired a broken 128k ram sidecar to 512k so my jr now has 640k. i also whacked in a v20 cpu and socketed the clock generator and tandymod related ICs in preparation for future stuff. i finally installed jrconfig to enable it for testing, and i got...

That's what I kind of thought? Ok, thanks!



-a

hi!

Are there any thermal concerns or mechanical concerns if i use my PCjr sideways, under my desk?

(Due to err, limited space and the number of retro computers I'm currently poking at.)

Thanks!


-adrian

hi! this looks cool! I see there's a problem with it fitting the ROM in a socket in the cartridge slot. (I picked up a pair of ROM boards off of ebay to experiment with, it looks like it'll have the same problem.) A friend used these in her cart project to make a ROM socket that fit in the socket pr...