joevt's latest activity
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Jjoevt replied to the thread Bank Distinction on PMX500 and 7200 DIMM?.Here's options for my fork of DingusPPC to allow the 1995-08 - 9630C68B - Power Mac 7200&7500&8500&9500 v2, SuperMac S900 ROM to detect...
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Jjoevt replied to the thread Bank Distinction on PMX500 and 7200 DIMM?.The algorithm for Hammerhead is different than for Platinum. Platinum Bank Base registers support addresses with this mask: 0x7FE00000...
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Jjoevt replied to the thread Bank Distinction on PMX500 and 7200 DIMM?.Maybe the hardware allows it. I don't think the ROM HWInit memory detection routines for Platinum might not. I've attached startup...
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Jjoevt replied to the thread Bank Distinction on PMX500 and 7200 DIMM?.Here's the Platinum ERS.
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Jjoevt replied to the thread Bank Distinction on PMX500 and 7200 DIMM?.On the DingusPPC Discord, you can find some memory controller documentation. Search for these: filename:Platinum_ERS_1.0.pdf...
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Jjoevt replied to the thread Bank Distinction on PMX500 and 7200 DIMM?.A 128 MB DIMM is represented by two 64 MB banks in the Hammerhead and Platinum memory registers. In DingusPPC, 64 MB DIMMs and smaller...
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Jjoevt replied to the thread Bank Distinction on PMX500 and 7200 DIMM?.Hardware developer notes at: https://leopard-adc.pepas.com/documentation/Hardware/hardware2.html#//apple_ref/doc/uid/TP40000979...
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Jjoevt replied to the thread Portable CCFL Backlight Replacement with Off-the-shelf LED Strip Driver.I asked google "coil whine hot glue solution?" It says No, hot glue has a low melting temperature. Links to here for other solutions...
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Jjoevt replied to the thread Apple Network Server MacOS based ROMs found.The Apple Enet driver appears to have code that reads the PLSCCPort property so I guess the nvramrc script just needs to add this...
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Jjoevt replied to the thread Apple Network Server MacOS based ROMs found.Right. ANS 2.0 ROM will use the AAPL,9500 identifier even if it detects itself to be an ANS machine. An ANS machine (whether using ANS...
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Jjoevt replied to the thread Apple Network Server MacOS based ROMs found.The PLSCCPort property is set by ANS 2.0 Open Firmware. It is not set by any other version of Open Firmware. 1 is for ANS 7 is for TNT...
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Jjoevt replied to the thread SCSI CD emulator for PDQ?.If the CD is bootable, then copying all of it to a hard disk partition should make the partition bootable. Then you boot that partition...
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Jjoevt replied to the thread TwinSlot for 6360 & 5x00 tests being done IRL. 8+ years long project draws to a close!.There shouldn't be a difference. The point of the test is to prove it. If there was a problem, then it could indicate too much noice on...
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Jjoevt replied to the thread TwinSlot for 6360 & 5x00 tests being done IRL. 8+ years long project draws to a close!.FireWire is nice because it's 40 MB/s, faster than USB 1.1 and SCSI 2. USB 2.0 doesn't work in classic Mac OS. A FireWire enclosure can...
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Jjoevt replied to the thread SCSI CD emulator for PDQ?.Copy the Mac OS 8.1 installer to a small hard disk partition?