joevt's latest activity
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Jjoevt replied to the thread MFM Floppy Drives?.In that case, I wonder if it means anything that the Beige G3 doesn't have a U44? The schematic has 23 components with a U prefix...
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Jjoevt replied to the thread Reconnaissance: Modern Diagnostics for your Classic Mac.Reconnaissance depends on the diagnostics mode in the ROM. The Mac has to work well enough to run that code. If the 3rd party ROM...
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Jjoevt replied to the thread Apple Network Server MacOS based ROMs found.Thanks for checking. That exactly matches the info for the 2.26NT ROM which we already have. 077d.28f2.1 962f6c13...
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Jjoevt replied to the thread CodeWarrior 9 resources?.Also this thread is interesting for really old Mac system software...
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Jjoevt replied to the thread CodeWarrior 9 resources?.CodeWarrior Pro 6 was the last version of CodeWarrior to support 68K targets. CodeWarrior Pro 4 was the last to run on 68K hardware...
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Jjoevt replied to the thread Apple Network Server MacOS based ROMs found.Try the "Connecting to Open Firmware" section here...
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Jjoevt replied to the thread Apple Network Server MacOS based ROMs found.When you are able to boot into Open Firmware, you can use the script at...
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Jjoevt replied to the thread MFM Floppy Drives?.Coincidentally, the Power Mac 4400 schematics do have a U44 connected to MFM. The 4400 uses OHare as the mac-io controller. I suppose...
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Jjoevt replied to the thread MFM Floppy Drives?.U44 is not mentioned in the Beige G3 schematics. https://www.macdat.net/repair/apple_schematics.html The schematics do have the GCR...
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Jjoevt replied to the thread MFM Floppy Drives?.Might need to set some feature control bits. https://68kmla.org/bb/threads/beige-g3-ram-and-psu-questions.52027/post-587215
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Jjoevt replied to the thread Macintosh Portable & Powerbook 100 power adapter bench.Your graph doesn't show the voltage reaching zero. How high of a current (lowering of resistance) did you try for each power supply...
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Jjoevt replied to the thread Happy 50th Anniversary Apple.Add Apple II graphics using the Apple I expansion slot?
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Jjoevt replied to the thread MARCHintosh 2026 Projects.So Linux already has a FireWire Target Disk Mode capability. Open Firmware appears to have code to scan a range of LUNs, but for some...
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Jjoevt replied to the thread ThinkC digesting MIDI in with C on 68k macs - video.Looks good. I think it can be improved by changing the alignment of the pattern so that each white key is drawn with the same alignment...