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Thanks for this information. I'll follow your thread to see if we can find a solution. I can't use OSX; the highest version I can use is 9.1. I was considering the possibility of a hardware problem with the PCI riser, but if it works under OSX in your case, then it can't be that. I also tried...

Thanks, I already installed these drivers, as I mentioned in my first post, and it's not working.I've downloaded from Macintosh Garden many times, but I haven't been able to access it for a few days now, and I don't know why. I haven't done anything wrong :).I'm in Spain.

Hello. I just tried it and nothing has changed. The USB card still isn't working; I don't even have power on it, and neither the mouse nor the keyboard lights up. Apple System Profiler shows the same information as before. I ran the patcher. The first time, it said there were 0 KB in that part...

Yes, I understood that. I meant having a working battery to run the patcher. I gather that if I run the script and restart, without powering off and on again, I can do it even if the battery is dead.

Thank you so much! I'll try it this afternoon. My battery isn't working anymore. If I don't unplug it, if I run the script and restart, will it work? Otherwise, I'll have to provide 4.5V somehow temporarily where the battery connects.

Hello. A few days ago I received a Power Mac 6500/250 that works fine. I've installed Mac OS 7.6.1, 8.6, and 9.1 on different partitions. I wanted to add USB and Ethernet support, so I added an NEC USB 2.0 card that I usually use in my G3 and G4, and a Realtek RTL8139B Ethernet card that I had...

Okay, you win, yours is better, but try putting it in an iMac tray :P I tried putting in two 128MB DIMMs (actually two 250MB ones, with only half of each recognized), and it worked. It seems the limit is 256MB. And the OS9 system profiler doesn't show the speed correctly.

Hi, good suggestion. I just tested it by moving the same module from the bottom slot to the top slot, and it works too. Now I'm wondering if when I tried 128+128, both were 100MHz. I can look for two 100MHz ones this afternoon; I don't have time right now. Thanks for your suggestions! P.s. my...

Well, I'm making progress... I tried swapping it for two 128MB RAM sticks, but it still wouldn't turn on. So I removed the top stick and left only 128MB underneath. It turned on!!! But take a good look at the photo: It has the Lombard EEPROM installed, 2.5:1 ratio, the processor is running...

Hello. It's been running fine at 460MHz and 2V Vcore until today, even booting at 500MHz on occasion, I don't think it's due to voltage. I recently added these RAM modules; they're two 512MB PC133 modules, each of which only recognizes 256MB, so I have 512MB. It hasn't given any problems...

Hi, I just tried that, but it didn't work for me. I've tried both 500MHz and 450MHz, and I hear the chime, a crackling noise in the speakers, but the orange LED stays on. I tried this last, simplified combination you mentioned.

Well, it kept the Lombard EEPROM, with the processor at 466MHz and the L2 cache at 183MHz. It didn't work at 500MHz. It now has 200MHz cache chips. I'll try testing the 100MHz this week, although I'm afraid I'll be limited to a 450MHz processor.

Thanks so much for this contribution! I'm going to try it on my iMac! Great work!

Yes, perhaps when turning on this processor model, it produces a voltage drop sufficient to knock out the device. I have photos of a Gigadesigns for Cube with an MC7457 that has lower-capacity capacitors (4 x 150uF) on the 5V input. Perhaps if I remove the capacitors from the input, it could...

Hi, some friends and I have been testing upgrades with their G4 Cubes. I think I remember reading in some thread that some processor upgrades aren't compatible with VRM Upgrades, but I can't find it. We're testing with an ARTMIX VRM. The Cube has the MC7447 patcher applied. I have a...

I've tried it on a couple of Macs, this one DA and a QS. The same thing happens on both. It works with a Radeon 9000 AGP graphics card; if I add a Radeon 9200 or 7500 PCI card, it also works, and I can boot from the PCI card. They work with just a PCI card. When this GF4 x8 card is connected...

@joevt I've mentioned this before. Without covering 3 and 11, even any G4 won't boot. If I cover them, I only hear the chime, but it doesn't go beyond that. No option key, no target mode, no finder, or anything, both with the flashed card and with the PC ROM. Neither one lets me go beyond the...

Yes, of course, I've covered 3 and 11 like the other one, otherwise it won't even boot. The same thing happens to me as with the flashed one: it turns on, I hear the chime, and nothing else—no image, no boot menu, no target... I don't have an AGP-PCI adapter.

@joevt I've already received the other GF4, but it doesn't seem like it's going to be easy. I've installed it in the DA along with a Radeon PCI card, and the PC ROM still won't boot the Mac. Something in the hardware must be preventing it; it must require some hardware modification. Then I...