David Cook's latest activity
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David Cook replied to the thread Mac Portable 5V Line and Troubleshooting.If this is a 5120, it is a common issue that powering up sound (for the chime) introduces electrical noise into the 5V line and... -
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David Cook replied to the thread Fixing a Portable M5120; Divide by Zero Error(?).Is this a 5120? If so, try adding a temporary bodge wire as shown in purple. There seems to be an electrical noise issue in many...
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David Cook replied to the thread IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes.Let me know if you run into anything I can help with. Definitely double check for incompatible memory and make sure the board isn't...
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David Cook replied to the thread IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes.REPLACEMENT PARTS If priced reasonably, I will pick up battery bombed boards to repair other machines. In this case, the missing CPU...
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David Cook replied to the thread IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes.RUST REMOVAL The metal shield on the inside of the case was in horrible shape. The speaker is broken (open circuit). In the past...
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David Cook replied to the thread IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes.ROM TROUBLE The seller did not include a ROM with this machine. Whoever removed it (and the CPU/FPU) is a jerk. I prefer the original...
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David Cook replied to the thread IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes.RAM TROUBLE Whenever I am repairing a board, I use known-good parts in everything that is removable. In this case, that includes...
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David Cook posted the thread IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes in Macintosh II.A seller offered this IIfx parts machine on eBay for $200. The seller was completely honest in the listing -- so all problems I describe...
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David Cook replied to the thread Performa 600 Cache Mod, IIvx pictures needed..Here you go
