Power Mac G4 (AGP Graphics)
Codename: "Sawtooth"
Introduced: September 1999
Discontinued: July 2000
Processor: PowerPC 7400 v2.9 (G4)
Processor Speed: 350, 400, 450, 500 MHz
Cache: 64k L1, 1 MB backside (1:2) L2
Data Path: 64 bit
System Bus: 100 MHz
Hard Drive Size: 10, 20, or 27 GB
Media: DVD-ROM or DVD-RAM
Weight and Dimensions: 28.7 lbs, 17" H x 8.9 W" x 18.4 D"
Original Mac OS: Mac OS 8.6
Maximum Mac OS: Latest release of Mac OS X
Machine ID: PowerMac3,1
Motherboard RAM: 0 MB
Maximum RAM: 2 GB under Mac OS X, 1.5 GB under Mac OS 8.x/9.x
Number of Sockets: 4 - PC100 3.3v, unbuffered, 8-byte, non-parity 168-pin SDRAM
Minimum RAM Speed: 125 MHz (8 ns)
Graphics Card: ATI Rage 128 or Rage 128 Pro
Video Memory: 16 MB VRAM
Built-in Display: None
Display Connection: SVGA or DVI-D
Slots: 3 - 64-bit 33 MHz PCI, 1 - 2x AGP
Hard Drive Bus: Ultra ATA/66
Expansion Bays: 4 - internal 3.5" ATA drive bays, 1 - Zip 100/250 bay
Modem: Optional 56k
Airport: Optional AirPort card
Bluetooth: None
PRAM: 3.6V Lithium
Power: 200 W
ADB: None
Serial: None
SCSI: Optional via PCI
USB: 2 - 12 MBit/s
FireWire: 3 - 400 MBit/s (1 internal)
Ethernet: 10/100BaseT
Sound In: 16 bit stereo mini-jack
Sound Out: 16 bit stereo headphone jack
History: The PowerMac G4 (AGP Graphics) was a major revision of the PowerMac line. Based on the Unified Motherboard Architecture, the G4 AGP was built around the PowerPC 7400 chip, which was dramatically faster than its predecessor, the PPC 750. The G4 AGP introduced a number of performance improvements, including AGP-based graphics, AirPort compatibility, a faster memory bus, DVD-ROM or RAM standard, an internal FireWire port, 2 separate USB buses for a combined 24 Mbs, a 2X (133 MHz) AGP slot, and up to 1.5 GB of RAM. Few 500MHz models actually shipped due to an "erratum" in the initial revision of the 7400 that effectively lowered the ceiling of the chip to 450MHz.

