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After looking for almost two years to get my hands on IBM 5153, i finally found one on flea market. One in a lot of four old displays. Got: - IBM 5153, fully working, finally my 5160 will be happy ;) - IBM 8513 (PS/2 color VGA), also works, - Highscreen HP-548, or better known as Commodore 1081...

After success with Macintosh SE I decided it's time to finish IIcx restoration. It had dead hard disk (not spinning up unless motor was pushed by hand), bad floppy, some caps leaking... I replaced floppy and hard disk drives from dead Macintosh LC. IIcx never booted from this drive, but after...

I was wrong about HALT/RESET short. They should be - they are literally connected on Processor Direct Slot both on schematics and on board (C12 and B12 pins). So for now something is keeping this low, or there's no reset from Sony UC. And you won't believe this! So I desoldered audio chip...

I cleared all vias in coroded area. Desoldered SCC and ADB chips (that are using this 3MHz clock), what's interesting - clock goes all the way to GLU chip. After removing resistor R23 near BBU (one side to clock source in BBU, other to mentioned chips) I measured clock from GLU - same effect...

Flexing analog board changes nothing. Well, what would it change if there's no clock for M68000 at all = main CPU is not working? As for vias - good point, i re soldered some but not all. Right now I seem to have exactly the same "line" pattern over checkerboard on each boot. That's something...

Hi, Just bought Macintosh Plus and Macintosh SE 1/40 on local market. Plus works (but I need a keyboard ;) ), SE was known to be broken / showing only horizontal dotted line (not solid). After disassembly I saw this mess: After touching battery it got even worse it was still half-full of it's...

Hi, I'm slowly moving towards finnish with my 5160 XT restoration. I own version shipped with 10MB MiniScribe and Tandom drives. HDD is working (formatted without bad sectors, but makes sudden weird noises even when idle), FDD obviously not (damaged top head...). After spending money on not...

I wonder where I can find this engraved serial number on XT. I own Greenock-made 5160 with 64-256k board and I can see only this sticker on the back.