GEMLIGHT COMPUTER, LTD.
GMB-P56SPC (VER. 1.11)
|
Processor |
CX M1/AM K5/Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/180/200MHz |
|
Chip Set |
SIS |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
512MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256KB |
|
BIOS |
AMI/Award |
|
Dimensions |
270mm x 220mm |
|
I/O Options |
32-bit PCI slots (4), CD-ROM connectors (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface, IR connectors (2), game interface |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J1 |
IDE interface 1 |
J17 |
|
Green PC LED |
J2 |
IDE interface 2 |
J18 |
|
Green PC connector |
J3 |
Serial port 1 |
J19 |
|
Speaker |
J4 |
Serial port 2 |
J20 |
|
IDE interface LED |
J5 |
Audio expansion interface |
J21 |
|
Power LED & keylock |
J6 |
Game interface |
J23 |
|
IR connector |
J12 |
PS/2 mouse interface |
J28 |
|
CD-ROM connector (Panasonic/Mitsumi) |
J13 |
VGA feature connector |
J29 |
|
CD-ROM connector (Sony) |
J14 |
IR connector |
J33 |
|
Floppy drive interface |
J15 |
32-bit PCI slots |
PC1 - PC4 |
|
Parallel port |
J16 | ||
|
Note: J21 may be a 2 x 8 connector on some board revisions. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
JP0 |
Pins 1 & 2 closed |
|
CMOS memory clear |
JP0 |
Pins 2 & 3 closed | |
|
Flash BIOS voltage select 12v |
JP5 |
Pins 1 & 2 closed | |
|
Flash BIOS voltage select 5v |
JP5 |
Pins 2 & 3 closed | |
|
Linear burst mode enabled (CX M1 only) |
JP7 |
Closed | |
|
Linear burst mode disabled (all other CPU types) |
JP7 |
Open | |
|
On board sound chip enabled |
JP13 |
Closed | |
|
On board sound chip disabled |
JP13 |
Open | |
|
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) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M 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 |
|
40MB |
(2) 4M x 36 |
(2) 1M 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) 8M x 36 |
(2) 1M x 36 |
|
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
|
DRAM CONFIGURATION (CONT) | ||
|
Size |
Bank 0 |
Bank 1 |
|
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
|
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
|
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
|
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
|
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
|
256MB |
(2) 32M x 36 |
None |
|
264MB |
(2) 32M x 36 |
(2) 1M x 36 |
|
272MB |
(2) 32M x 36 |
(2) 2M x 36 |
|
288MB |
(2) 32M x 36 |
(2) 4M x 36 |
|
320MB |
(2) 32M x 36 |
(2) 8M x 36 |
|
384MB |
(2) 32M x 36 |
(2) 16M x 36 |
|
512MB |
(2) 32M x 36 |
(2) 32M x 36 |
|
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable. | ||
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
256KB |
(2) 32K x 32 |
(1) 8K16K/32K x 8 |
|
CPU SPEED SELECTION (CYRIX) | |||||||
|
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
S4 |
S5 |
S6 |
|
120MHz |
50MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Closed |
Open |
|
133MHz |
55MHz |
2x |
1 & 2 |
2 & 3 |
Open |
Open |
Open |
|
150MHz |
60MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
3x |
1 & 2 |
2 & 3 |
Open |
Closed |
Open |
|
200MHz |
66MHz |
3x |
1 & 2 |
2 & 3 |
Open |
Open |
Closed |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU SPEED SELECTION (AMD) | |||||||
|
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
S4 |
S5 |
S6 |
|
75MHz |
50MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Closed |
Open |
|
90MHz |
60MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
1 & 2 |
1 & 2 |
Open |
Closed |
Open |
|
120MHz |
60MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
1 & 2 |
Open |
Closed |
Open |
|
150MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
Open |
Closed |
Open |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU SPEED SELECTION (INTEL) | |||||||
|
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
S4 |
S5 |
S6 |
|
75MHz |
50MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Closed |
Open |
|
90MHz |
60MHz |
1.5x |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
1 & 2 |
1 & 2 |
Open |
Closed |
Open |
|
120MHz |
60MHz |
2x |
1 & 2 |
2 & 3 |
Closed |
Open |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
Open |
Closed |
Open |
|
150MHz |
60MHz |
2.5x |
2 & 3 |
2 & 3 |
Closed |
Open |
Open |
|
166MHz |
66MHz |
2.5x |
2 & 3 |
2 & 3 |
Open |
Closed |
Open |
|
180MHz |
60MHz |
3x |
2 & 3 |
1 & 2 |
Closed |
Open |
Open |
|
200MHz |
66MHz |
3x |
2 & 3 |
1 & 2 |
Open |
Closed |
Open |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU VOLTAGE SELECTION | |||||
|
Voltage |
V core |
JP1 |
S1 |
S2 |
S3 |
|
3.4v (single) |
N/A |
Closed |
Closed |
Closed |
Closed |
|
3.4v (dual) |
2.9v |
Closed |
Open |
Open |
Open |
|
3.5v (single) |
N/A |
Open |
Closed |
Closed |
Closed |