This model is sometimes designated as having
a 66 MHz processor,since the clock input runs at 66 MHz; however,
the processor itself runs at 33 MHz.
PMMU: Integrated FPU: none Bus Speed: 33 MHz Data Path: 32-bit ROM Size: 1 MB Level 1 Cache: 8K Level 2 Cache: none Expansion Slots: LC, comm., TV, video in Battery: 4.5V Alkaline
Memory RAM Type: 72-pin SIMM RAM Slots: 2 Min - Max RAM: 8 MB - 52 MB Minimum RAM Speed: 80 ns Install in groups of: 1 RAM Sizes: 1, 2, 4, 8, 16, 32 MB Onboard RAM: 4 MB
Note:
Second SIMM slot can accept only 1, 4, or
16 MB SIMMs.
Ports ADB: 1 USB: none FireWire: none Video: DB-15 Floppy: none SCSI: DB-25 Geoports: none Ethernet: none Mic Type: PlainTalk Other ports: Printer, modem, speaker, headphone,
remote control
Video Standard DRAM: 1 MB (Built-in) Maximum DRAM: 1 MB (Built-in)
Display Resolution:
512 x 384, 16-bit
640 x 480, 16-bit
800 x 600, 8-bit
832 x 624, 8-bit
Video in not supported at
832 x 624
Storage Standard CD-ROM: 2x Internal Hard Drive: IDE (500 MB) Floppy Disk Drive: 1.44 MB manual
Image Credit: Apple,
Inc.
Operating System Addressing Modes: 24-bit or 32-bit Original OS: 7.5.1 Original Enabler: none AppleTalk Version:57.0.4
Compatible MacOS:
7.5.1
7.5.3
7.5.5
7.6
7.6.1
8.0
Miscellaneous Macintosh Counterpart: Quadra 630 Form Factor: Quadra 630 Dimensions (Inches): 4.3 H x 12.6 W x 16.5 D Average Weight (lbs): 19 Gestalt ID: 98 Original Price: $1600 US
Comments
The Performa 631CD was virtually the same as the Performa 630CD, but had two RAM slots
instead of one.
