Bitly's latest activity

Depends on your patience and level of skill. It looks like most of the Cypress parts and at least two DIMM sockets will have to be...

Disclaimer: I know nothing about this subject. If memory serves, certain 11/23 CPUs contain boot ROMs that know how to control a DEQNA...

I can't find any documentation online for the LQP02 (schematics, etc). If you have hardcopies please scan them so they can be added to...

Both those options should work electrically. I didn't check the physical size. CW

Unfortunately, I've already put them away. I'm in the process of painting, so everything is piled under tarps. I did look at an older...

I looked at one of my 3100s, and I have the same board. On closer inspection, I believe the component is an old style tantalum capacitor...

Puzzling. The M38 should have a KA42 motherboard, but it doesn't match the component locations in the online documents. Perhaps it's a...

What model 3100? The KA42 schematics are on bitsavers (here), but they don't match the component locations shown in your picture. CW

The spindle lock may not be unlocking. Check the manual page 6-20 to see how to bypass. CW

The B indicates it is an optional software component. See DEC Standard section 21. Curiously, BI-xxxxx isn't listed. CW

Some of the Chinese PCB houses will assemble for a reasonable price. Others here have gone that route with good results. CW

The MSV11-R schematics are part of the 11/84 print set (MP-02015), and they list two xx47xx capacitor options: 0.47uF 25V Ceramic (20%)...