SOYO COMPUTER CO., LTD.
PENTIUM (P54C) PCI MAINBOARD
|
Processor |
Pentium |
|
Processor Speed |
90/100MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
512MB |
|
Cache |
256/512KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI bus slots (4), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J17 |
Green PC connector |
J21 |
|
Speaker |
J18 |
Green PC LED |
J22 |
|
Reset switch |
J19 |
32-bit PCI bus slots |
SL1 - SL4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Ppeline address disabled |
J24 |
Open |
|
Pipeline address enabled |
J24 |
Closed | |
|
|
Cache type select write back |
J29 |
Open |
|
Cache type select write through |
J29 |
Closed | |
|
|
Monitor type select color |
JP3 |
Closed |
|
Monitor type select monochrome |
JP3 |
Open | |
|
|
CMOS memory normal operation |
JP5 |
Open |
|
CMOS memory clear |
JP5 |
Closed | |
|
|
Factory configured - do not alter |
JP36 |
Closed |
|
|
Factory configured - do not alter |
JP37 |
Closed |
|
|
Factory configured - do not alter |
JP38 |
Closed |
|
|
Factory configured - do not alter |
JP39 |
Open |
|
|
Factory configured - do not alter |
JP40 |
Open |
|
|
Factory configured - do not alter |
JP41 |
Open |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
4MB |
(2) 512K x 36 |
NONE |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
8MB |
(2) 1M x 36 |
NONE |
|
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
|
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
|
16MB |
(2) 2M x 36 |
NONE |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
20MB |
(2) 512K x 36 |
(2) 2M 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 |
|
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 8M x 36 |
NONE |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
68MB |
(2) 512K 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 |
|
128MB |
(2) 16M x 36 |
NONE |
|
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
|
256MB |
(2) 32M x 36 |
NONE |
|
512MB |
(2) 32M x 36 |
(2) 32M x 36 |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
|
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
J25 |
J26 |
|
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP31 |
JP34 |
JP35 |
|
90MHz |
Closed |
Open |
Open |
|
100MHz |
Open |
Closed |
Closed |
|
PCI IRQ CONFIGURATION (IRQ 10) | ||
|
PIRQ |
J44 |
J51 |
|
PIRQ 0 |
Open |
pins 1 & 2 closed |
|
PIRQ 1 |
Open |
pins 2 & 3 closed |
|
PIRQ 2 |
pins 1 & 2 closed |
Open |
|
PIRQ 3 |
pins 2 & 3 closed |
Open |
|
PCI IRQ CONFIGURATION (IRQ 11) | ||
|
PIRQ |
J45 |
J52 |
|
PIRQ 0 |
Open |
pins 1 & 2 closed |
|
PIRQ 1 |
Open |
pins 2 & 3 closed |
|
PIRQ 2 |
pins 1 & 2 closed |
Open |
|
PIRQ 3 |
pins 2 & 3 closed |
Open |
|
PCI IRQ CONFIGURATION (IRQ 12) | ||
|
PIRQ |
J46 |
J53 |
|
PIRQ 0 |
Open |
pins 1 & 2 closed |
|
PIRQ 1 |
Open |
pins 2 & 3 closed |
|
PIRQ 2 |
pins 1 & 2 closed |
Open |
|
PIRQ 3 |
pins 2 & 3 closed |
Open |
|
PCI IRQ CONFIGURATION (IRQ 14) | ||
|
PIRQ |
J47 |
J54 |
|
PIRQ 0 |
Open |
pins 1 & 2 closed |
|
PIRQ 1 |
Open |
pins 2 & 3 closed |
|
PIRQ 2 |
pins 1 & 2 closed |
Open |
|
PIRQ 3 |
pins 2 & 3 closed |
Open |
|
PCI IRQ CONFIGURATION (IRQ 15) | ||
|
PIRQ |
J48 |
J55 |
|
PIRQ 0 |
Open |
pins 1 & 2 closed |
|
PIRQ 1 |
Open |
pins 2 & 3 closed |
|
PIRQ 2 |
pins 1 & 2 closed |
Open |
|
PIRQ 3 |
pins 2 & 3 closed |
Open |
|
HOST BUS PREQUENCY CONFIGURATION | |
|
Setting |
J30 |
|
Full speed |
Open |
|
2/3 speed |
pins 1 & 2 closed |
|
1/2 speed |
pins 2 & 3 closed |