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Please help me to decipher this Sad Mac Code...

A Macintosh 512K has been passed along to me -- I had a quick look inside for obvious indications of damage, didn't find any (and the Logic Board seemed to be in much better condition than I would have expected). It powers on, but I do get a Sad Mac code -- 016AFF. I think I understand this to indicate that a ROM test failed, so anything after the class code is effectively meaningless -- but additional insight would be welcome.

Assuming that the issue is indeed with one or both of the ROM chips, how difficult is it to obtain replacements?

Otherwise, what should I be on the lookout for in terms of points of failure? (I was told the Floppy Drive may not be working properly, I was planning to clean it and check for broken gears.)

Any advice would be very much appreciated!
 

Skate323k137

Well-known member
I am somewhat reluctant so spend $80-$90 without confidence that the problem is with either or both of the ROM chips -- but that's certainly something I'm considering!
If you can solder it yourself it's maybe 25 percent of that cost, but yeah, I would try replacement roms 1st to keep it simple.
 
I have a spare set of newly made 512k ROMs they're yours for the cost of shipping.
That would be very much appreciated — and if all goes well, I would be happy to pass them along to someone else in need. I think I’m sold on the idea of Kay Koba’s Rominator kit, and I was thinking of getting the version with the extra working ROM chips.

(I’ll PM you off-line. Thanks again!)
 

jajan547

Well-known member
That would be very much appreciated — and if all goes well, I would be happy to pass them along to someone else in need. I think I’m sold on the idea of Kay Koba’s Rominator kit, and I was thinking of getting the version with the extra working ROM chips.

(I’ll PM you off-line. Thanks again!)
Well just let me know I’d be happy to ship them to ya, just PM me and we can work it out.
 
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