SUPER MICRO
P55CMA, P55CMS (REV. 2.0)
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133/150/166MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
PS/2 mouse port, parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), cache slot, VRM connector, Legacy connector, IR connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VRM connector |
J1 |
External battery |
JP30 |
|
Chassis fan power |
J18 |
Turbo LED |
JP32 |
|
Power LED & keylock |
J32 |
IR connector |
JP68 |
|
IDE interface LED |
J34 |
Serial port 2 |
JS1 |
|
Reset switch |
J35 |
Serial port 1 |
JS2 |
|
Speaker |
J39 |
Parallel port |
JS3 |
|
IDE interface 1 |
J70 |
Floppy drive interface |
JS4 |
|
IDE interface 2 |
J71 |
32-bit PCI slots |
PC1 - PC4 |
|
Legacy connector |
J85 |
Cache slot |
SL1 |
|
PS/2 mouse port |
J96 | ||
|
Note: J18 may not be present on all boards. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
Factory configured - do not alter |
J28 |
Closed |
|
» |
Factory configured - do not alter |
J37 |
Pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
J41 |
Unidentified |
|
» |
CMOS memory normal operation |
J42 |
Pins 1 & 2 closed |
|
CMOS memory clear |
J42 |
Pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
J43 |
Open |
|
» |
ISA CLCK = PCI CLCK/4 |
J67 |
Pins 2 & 3 closed |
|
ISA CLCK = PCI CLCK/3 |
J67 |
Pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 32 |
None |
|
16MB |
(2) 2M x 32 |
None |
|
16MB |
(2) 1M x 32 |
(2) 1M x 32 |
|
24MB |
(2) 1M x 32 |
(2) 2M x 32 |
|
32MB |
(2) 4M x 32 |
None |
|
32MB |
(2) 2M x 32 |
(2) 2M x 32 |
|
40MB |
(2) 1M x 32 |
(2) 4M x 32 |
|
48MB |
(2) 2M x 32 |
(2) 4M x 32 |
|
64MB |
(2) 8M x 32 |
None |
|
64MB |
(2) 4M x 32 |
(2) 4M x 32 |
|
72MB |
(2) 1M x 32 |
(2) 8M x 32 |
|
80MB |
(2) 2M x 32 |
(2) 8M x 32 |
|
96MB |
(2) 4M x 32 |
(2) 8M x 32 |
|
128MB |
(2) 8M x 32 |
(2) 8M x 32 |
|
Note: Board accepts EDO memory. | ||
|
CACHE CONFIGURATION | |
|
Size |
SL1 |
|
256KB |
256KB module installed |
|
512KB |
512KB module installed |
|
CPU SPEED SELECTION | ||||
|
Speed |
J27 |
J29 |
J31 |
J40 |
|
75MHz |
Open |
Closed |
Closed |
Open |
|
90MHz |
Open |
Closed |
Open |
Open |
|
100MHz |
Open |
Open |
Closed |
Open |
|
120MHz |
Closed |
Closed |
Open |
Open |
|
133MHz |
Closed |
Open |
Closed |
Open |
|
150MHz |
Closed |
Open |
Closed |
Closed |
|
166MHz |
Closed |
Open |
Closed |
Closed |
|
CPU VOLTAGE SELECTION | |
|
Voltage |
JP11 |
|
3.3v |
Pins 2 & 3 closed |
|
3.4v |
Open |
|
3.5v |
Pins 1 & 2 closed |