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@ClassicHasClass, Yes, it's interesting. 😅 Today I replaced the motherboard, and got the same OS frosts and sometimes Kernel Panic. When it freezes, the processor heatsink gets very hot. And yes, every time the envious could be ~almost~ guaranteed to reproduce -- if you open a browser and try...

Not so long ago, I received a 1.42 Ghz dual-processor daughtercard from FW800, which I immediately installed in the FW400. At the beginning, I didn't notice any problems, but later I began to notice oddities that had never happened before: The machine can freeze tightly at any time: installing...

@Genjoke, @trag, That's interesting. I didn't know about such an opportunity, it would be interesting to try.

@trag, I once used debug mode to boot Mac OS 9 to MDD. But for this you need to get the image output on the monitor dev / 13fff encode-int " AAPL,debug" property mac-boot or nanokernel debug log dev / 2000000 encode-int " AAPL,debug" property mac-boot

@trag, The board says "Power Macintosh 8100/80" /100 and /110 and AV options are other. The /80 has an HDI-45 connector, and I also paid attention to this so that I would not have problems with installation and because of the possible differences in the case.

Today I ordered 16V 47μF SMD capacitors, but delivery from China will probably be very long. I also ordered a motherboard on eBay in case the trick with capacitors does not help to revive the motherboard. 820- 0473-G -- motherboard that was originally. 820-0557-B -- motherboard from eBay. It...

Hey! @Genjoke, I have a PM9600/300 and Radeon 7000 64 Mb works perfectly with this computer. I have several boards installed in this order: 1. Wi-Fi Cisco Airpci 350 2. 2-pots USB card 3. Radeon 7000 64 Mb 4. Empty 5. Jackhummer SCSI-Card 6. Empty I also tried to use a SATA Card on the...

@Kai Robinson, Thanx, I'll check it out -- I'll replace the capacitors and resolder other chips whose contacts look the same as in "dust". When I'm done with this, I'll let you know the result.

@Kai Robinson, Of course. I took the board out of the body. Near some capacitors I see strange white traces, and like dust on the contacts, but it is not washed. At first I thought there was a leak, but it doesn't look like it. Otherwise, except for some strange soldering on the board, I...

@Kai Robinson, A new battery is installed, the ROM is installed in ROM slot. When I got it, here instead of a battery there was a design of 2x AA 1.5 batteries, as far as I understand, it only gave 3V, not 3.6V as it should be. One of these batteries was leaking, and it dried up.

@trag, Of course, the motherboard is washed from dirt and old thermal grease, the radiator is also washed. A new thermal grease that I use in all my Power Macs is smeared. I found a motherboard with part umber 820-0557-B on sale, on the board I have 820- 0473-G. Are there different revisions of...

Hi there! The other day I got a Power Macintosh 8100/80, which has long wanted to experiment with vintage machines. But it turns out that the salesman wasn't honest with me and sold me a non-working... The Mac turns on, there is a bong, the PDS of the video cards gives an image - the gray...

@joevt, I'm interested in the built-in diagnostic tools. For some reason, I always believed that Power Mac has it. 🤔 Perhaps various materials about OpenFirmware in SUN computers have created confusion in my head. Indeed, if I do not connect the network cable to MDD and reboot after turning on...

Hi! I have long seen reports that OpenFirmware (OFW) can run tests of equipment that is equipped with self-testing instructions. On different sites you can find many similar messages that mainly link to this site. I tested it on QS and MDD. So, I enter the OFW and turn on diag-switch? And...

I didn't know such keyboard shortcuts, I'll have to try. (y)

Hah! My friend from another forum managed to find the original OS X 10.4.6 image, which can be easily booted from a USB drive. You can check it out: 1. Download #32 from here 2. Deploy to USB sudo dd if="/path/to/tiger-10-4-6-ppc.iso" of=/dev/rdisk4 bs=1m status=progress 4. Boot it! probe-usb...

I use this image on my PowerMac: MDD, QS, G3 B&W, G3 Minitiwer and it works great. :) Before I figured out Sil3112, I used a SATA<->IDE bridge, and it worked great if the bridge didn't have any problems. But I had others: I got it from Aliexpress. I just looked carefully at the screenshot and...

I have encountered problems with SATA<->IDE bridges many times, so I almost refused to use them. I used to have a working bridge, but when using it, the speed of the disk subsystem was terribly slow. I just threw it away. There are also sometimes problems due to "confusion" with...

Today is a great day -- I received a package with new toys! G4 DP 1.42 Ghz processor and copper heatsink from FW800. This will be installed in FW400 (2003) to get a powerful machine on OS9. I've never had these copper radiators before, and I thought it was just a piece of copper, as it...

I met a similar problem on the PM G3 Minitower (Rev. A). The Sil3112 card could not boot the OS when it was installed in slot C1.