SUPER MICRO
P55CMA/P55CMS (REV. 1.1)
Processor |
Pentium |
Processor Speed |
75/90/100/120/133MHz |
Chip Set |
Intel |
Max. Onboard DRAM |
128MB |
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 module connector, Legacy connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
VRM module connector |
J1 |
External battery |
JP30 |
Chassis fan power |
J18 |
Turbo LED |
JP32 |
Power LED & keylock |
J32 |
Infra red 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 and J96 are optional and may not be present. The location of J18 is unidentified. The size of the VRM module is unidentified. |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
J28 |
Closed |
|
Factory configured - do not alter |
J37 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
J41 |
N/A |
|
CMOS memory normal operation |
J42 |
pins 1 & 2 closed |
CMOS memory clear |
J42 |
pins 2 & 3 closed | |
|
ISA CLCK select PCI CLCK/4 |
J67 |
pins 2 & 3 closed |
ISA CLCK select PCI CLCK/3 |
J67 |
pins 1 & 2 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
NONE |
16MB |
(2) 2M x 36 |
NONE |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
NONE |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
NONE |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
CACHE CONFIGURATION |
Note: To install 256KB or 512KB cache, install specific card in SL1. |
CPU SPEED CONFIGURATION | ||||
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 |
CPU VOLTAGE CONFIGURATION | |
Voltage |
JP11 |
3.3v |
pins 2 & 3 closed |
3.4v |
Open |
3.5v |
pins 1 & 2 closed |