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 |