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I have write a thing about that : https://www.journaldulapin.com/2026/06/09/powermac-g4-usb/

So. I have tried with a Linux Live CD, and the NEC chip was usable with the original ROM. After that, i have flashed the old ROM, and it works : with Mac OS X Tiger, the USB 2.0 is working,no problem with a USB flash drive. There is a weird things : with the original ROM, Mac OS X list only...

I have found a Power Mac near me, i will try to buy it.

Yep, it's a FW800 board (630T4357/630-4497)

And the chip on the logic board is USB 2.0

I have only the Logic Board, now (so i can't test)

I have a question: the Power Mac G4 MDDs include a USB 2.0 chip (NEC D720101F1), even though Apple marketed the machines as USB 1.1 only — possibly to highlight FireWire instead. I have a motherboard (without anything else) that allowed me to confirm that it really is a USB 2.0 chip. But I was...

Excellent. So with the right graphic card, i can just type pong on the open firmware ?

Have you a way to try that ? I will be fun to play pong on the open firmware from a graphic card

Actually, you can use EDO RAM with a G3 Beige. The Grackle suppoirt SDRAM and EDO. https://www.journaldulapin.com/2022/07/11/power-mac-g3-edo/ Many northbridge from this era can use EDO or SDRAM, like Intel 440BX (i have tried too with an Asus P2B motherboard)

I will try, thank you !

I think it will work with KanjiTalk 1.0 and not with the other

I have found a Kanji ROM Card for the Macintosh II, a NuBus card form Japan. I suppose the card contain Kanji font, like the Macintosh Plus ROM from Japan i have found earlier I have used SlotsDump to dump the ROM, but the size is only 4 KB. Is there a way to dump the ressources ? I assume...

Nice ! Il will try with mine

I will try that this week

https://www.journaldulapin.com/2025/07/08/paula-abdul-suite/ It's working on a real Power Mac (with a video)

I have the same error withe the "E" slot I can launch the debugger and made the things you will, but 'im not an expert : do you have a list of things to do ?

I think it's interessant to post here : i try to dump the DeclROM from the Duo Dock II, and i have errors (i mean). There is a topic about that here : https://68kmla.org/bb/index.php?threads/easter-egg-image-centris-quadra-610-650.42457/page-3

Hi. This topic is old, but do you have a dump from the Duo Dock II ROM ? I try to extract the Easter Egg and my dump is not good.

There is no card on the Duo Dock II, only the dock itself. I join the debug log and capture from slot info