Introduction Date: August 7, 1995
Discontinued Date: April 1, 1996
Original Mac OS: 7.5.2
Supported Mac OS: 7.5.2-9.1
Apple Order/Model: M3100LL/A*
Model Family: M3979
Processor Speed: 100 MHz
Processor Type: PowerPC 601
Standard RAM: 8 MB, 16 MB
Maximum RAM: 1.0 GB*
Processor Upgrade: Daughtercard
FPU: Integrated
System Bus Speed: 50 MHz
Cache Bus Speed: N/A
ROM Type: Macintosh ROM
ROM Size: 4 MB
L1 Cache: 32k
L2 Cache: 256k (Optional)
RAM Type: 168-pin DIMM
Min. RAM Speed: 70 ns
Motherboard RAM: None
RAM Slots: 8
Video Card: Dedicated*
VRAM Type: 1 MB VRAM DIMM*
Standard VRAM: 2 MB*
Maximum VRAM: 4 MB*
Display Support: Single Display*
Resolution Support: 832x624*
2nd Display Support: Single Display*
2nd Max. Resolution: Variable*
Standard Hard Drive: 500 MB, 1 GB
Int. HD Interface: SCSI
Standard Optical: 4X CD-ROM

Standard Disk: 1.44 MB (Manual)
Standard Modem: None
Standard Ethernet: AAUI, 10Base-T
Expansion Slots: 3 PCI
Expansion Bays: 2 3.5"
Case Type: Desktop
Form Factor: Power Mac 7500
Apple Subfamily: Power Mac 7500
Gestalt ID: 68
Battery Type: 3.6V Lithium
Battery Life: N/A
Dimensions: 6.15 x 14.4 x 16.9
Avg. Weight: 22.0 lbs (10 kg)
Original Price (US): US$3000
Est. Current Retail: N/A
Video (Monitor): 1 (DB-15)
Floppy (Ext.): None
ADB: 1
SCSI: 1 (DB-25)
Serial (Standard): None
Serial (Geoport): 2*
Modem: None
Ethernet: 2*
S-Video Input: 1*
S-Video Output: None
Microphone: 1 (PlainTalk)
Sound In: None*
Sound Out: 1 (16-Bit Stereo)
Headphone: None*
Security (Lock): 1
Joystick (PC): None
Power: 1
Power Adapter: N/A