I figure, given how rare that RAM is. I'm going to consider this, I may go for a 64MB set.
The HDD, not sure how good it is. I can connect it to the computer and read what's in it without trouble, even running some mahjong game that's in it... but I can't boot from it, it gets stuck on the welcome screen. The HDD from my LC does the same thing, but that one was basically duct-taped back to life (it had a case of the melting head bumps), so I wouldn't give it much credit... I can however boot fine from my SCSI2D. I wonder if there are some SCSI termination shenanigans involved? The original HDD has terminators installed, and upon inspection of its controller board, I found out it also has the active-termination capacitors (which seem to be what the fancy IIfx terminators are about).
Hey there. Did you happen to find old stock or a new alternative to the interrupt/reset switches? I have a Q950 I need some physical switches for, and haven't found a good replacement as old stock are low, and new stocks don't quite fit.Thanks
Regardless, here's where we are this morning:
View attachment 31610
The through-holes are installed. Except for the RAM socket, I will do that one after I have received and installed the F573 -- it would hinder my already limited ability to solder that SMD chip in place.
As usual, all connections have been tested, and all the traces that run under the battery holders were verified, they are fine. BT2 is looking lopsided because it's sitting on one of the bodges.
Speaking of, a close-up of the creative bodging:
View attachment 31611
I still have to clean up that board, heh.
View attachment 31612
The original reset/intr buttons. The right one is actually still good, but the left one is toast -- it won't even press at all, plus one of the legs broke off during removal.
I replaced both for the sake of consistency mostly. I wonder if there is any functional reason why the original ones have these holes in the button part.
I can't test this fully yet (missing one of the F573 latches that sit between the data bus and the RAM means we would only get a sad-mac at best), but I did a lil' test with batteries installed: pressing the power switch sends ~5.7V on pin 15 of the power connector, so atleast that part of the computer is working
The ROM is shared with these models: SE/30, all II-series Macs with a 64-pin SIMM socket (should include the IIx, IIcx, IIci, IIfx, and IIsi). So if you find a ROM advertised as being pulled from those machines, it should work. Otherwise, you can order a Rom-inator II or GGLabs SIMM which will also work.I got a SOIC32 adapter so I could test the ROM chips on the ROM SIMM. Turns out one of these is bad. I'm going to see if I can get a replacement.