If you read the article it says "It turns out that because of a deal to get WindowsXP certification, the Dragon-series motherboard ended up having the ability of Enabling/Disabling ACPI in the BIOS disabled."
The genius is wrong. According to the new technote on the new G4s, it supports only ATA-66
"The KeyLargo IC implements a single Ultra DMA/66 hard disk interface. This interface supports the boot drive and can accommodate a second hard drive."
http://developer.apple.com/techpubs/hardware/Dev el oper_Notes/Macintosh_CPUs-G4/PowerMacG4/2Architect ure/KeyLargo_I_O_Controller.html
The only differences between the previous (pre 1GHz) G4 and the new ones is the graphics card, higher bundled RAM and new G4 processor.
http://developer.apple.com/techpubs/hardware/Dev el oper_Notes/Macintosh_CPUs-G4/PowerMacG4/1Introduct ion/New_Features.html
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That was then...
Now the iMac, iBook and PowerBook all have fans. And Power Macs now have 3 fans!!!
So much for the silent office...
If you read the article it says "It turns out that because of a deal to get WindowsXP certification, the Dragon-series motherboard ended up having the ability of Enabling/Disabling ACPI in the BIOS disabled."
This means that ACPI is always ON, not off.
The Powerbook G4 has 3 liquid cooling channels in the latest models. If I recall, the earlier Powerbook G4s had only one liquid cooling channel.
The genius is wrong. According to the new technote on the new G4s, it supports only ATA-66
v el oper_Notes/Macintosh_CPUs-G4/PowerMacG4/2Architect ure/KeyLargo_I_O_Controller.html
v el oper_Notes/Macintosh_CPUs-G4/PowerMacG4/1Introduct ion/New_Features.html
"The KeyLargo IC implements a single Ultra DMA/66 hard disk interface. This interface supports the boot drive and can accommodate a second hard drive."
http://developer.apple.com/techpubs/hardware/De
The only differences between the previous (pre 1GHz) G4 and the new ones is the graphics card, higher bundled RAM and new G4 processor.
http://developer.apple.com/techpubs/hardware/De
David