Macintosh Performa 640CD DOS Compatible:Technical Specifications
Macintosh Performa 640CD DOS Compatible
Logic Board
Ports
Power
Processor:
68LC040, 66
PMMU:
integrated
FPU:
none
Data Path:
32, 33
L1 Cache:
8K
L2 Cache:
none
2nd Processor:
486DX2, 66 MHz
Slots:
Comm., TV, video in
USB:
ADB:
1
Video:
DB-15
Floppy:
none
SCSI:
DB-25
Geoports:
Ethernet:
none
FireWire:
Mic Type:
PlainTalk
AirPort Ready:
Other Ports:
Printer
Modem
Speaker
,Headphone
,Remote Control
,
Port Notes:
PC game port also available.
Sound Notes:
Comes with Sound Blaster 16-compatible expansion card.>
Max Watts:
45
Amps:
1.25
BTU per Hr:
153.9
Voltage:
100-240
Freq Range:
50-60 Hz
Battery Type:
4.5V alkaline
Soft Power:
yes
Memory
Video Memory
Logic Board:
4 MB
RAM Slots:
2, 72-pin SIMM
Min - Max RAM:
8 MB - 52 MB
Min RAM Speed:
80
RAM Sizes:
1, 2, 4, 8, 16, 32 MB
Install in Groups of:
1
Notes:
Second SIMM slot can accept only 1, 4, or 16MB SIMMs. DOS card can accept one 72-pin SIMM (� 80 ns), up to 32MB in size -- comes with 4MB SIMM installed.