ASUS COMPUTER INTERNATIONAL
PCI/I-486SP3G
Processor | 80486SX/80486SX2/80487SX/80486DX/ODP486SX/80486DX2/80486DX4/ Pentium Overdrive |
Processor Speed | 25/33/50(internal)/66(internal)/100(internal)MHz |
Chip Set | Intel |
Max. Onboard DRAM | 128MB |
Cache | 128/256/512KB |
BIOS | Award |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit PCI bus slots (3), floppy drive interface, green PC feature, IDE interface, parallel port, PS/2 mouse port, serial ports (2), SCSI interface |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
PS/2 mouse port | J1 | Speaker | J9 |
Serial port 2 | J2 | Reset switch | J10 |
Serial port 1 | J3 | Turbo LED | J11 |
Parallel port | J4 | Turbo switch | J12 |
SCSI interface | J5 | Green PC connector | J13 |
Floppy drive interface | J6 | IDE interface LED | JP14 |
IDE interface | J7 | SCSI interface LED | JP15 |
Power LED & keylock | J8 | 32-bit PCI bus slots | PC1 - PC3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | SCSI termination enabled | JP16 | Open |
| SCSI termination disabled | JP16 | pins 1 & 2 closed |
» | On board SCSI controller disabled | JP17 | pins 1 & 2 closed |
| On board SCSI controller enabled | JP17 | Open |
» | Factory configured - do not alter | JP19 | Open |
» | Flash BIOS voltage select 12 volt | JP21 | pins 1 & 2 closed |
| Flash BIOS voltage select 5 volt | JP21 | pins 2 & 3 closed |
» | On board mouse disabled(IRQ12) | JP22 | pins 1 & 2 closed |
| On board mouse enabled (IRQ12) | JP22 | pins 2 & 3 closed |
» | 80486DX4 clock multiple select 2x | JP33 | pins 2 & 3 closed |
| 80486DX4 clock multiple select 3x | JP33 | 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 |
6MB | (2) 512K x 36 | (2) 256K x 36 |
6MB | (2) 256K x 36 | (2) 512K x 36 |
8MB | (2) 512K x 36 | (2) 512K x 36 |
8MB | (2) 1M x 36 | NONE |
10MB | (2) 256K x 36 | (2) 1M x 36 |
10MB | (2) 1M x 36 | (2) 256K x 36 |
12MB | (2) 512K x 36 | (2) 1M x 36 |
12MB | (2) 1M x 36 | (2) 512K x 36 |
16MB | (2) 1M x 36 | (2) 1M x 36 |
16MB | (2) 2M x 36 | NONE |
18MB | (2) 256K x 36 | (2) 2M x 36 |
18MB | (2) 2M x 36 | (2) 256K x 36 |
20MB | (2) 2M x 36 | (2) 512K x 36 |
20MB | (2) 512K x 36 | (2) 2M x 36 |
24MB | (2) 2M x 36 | (2) 1M x 36 |
24MB | (2) 1M x 36 | (2) 2M x 36 |
DRAM CONFIGURATION (CON'T) | ||
Size | Bank 0 | Bank 1 |
32MB | (2) 2M x 36 | (2) 2M x 36 |
32MB | (2) 4M x 36 | NONE |
34MB | (2) 4M x 36 | (2) 256K x 36 |
34MB | (2) 256K x 36 | (2) 4M x 36 |
36MB | (2) 4M x 36 | (2) 512K x 36 |
36MB | (2) 512K x 36 | (2) 4M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 |
40MB | (2) 1M x 36 | (2) 4M x 36 |
48MB | (2) 2M x 36 | (2) 4M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
64MB | (2) 8M x 36 | NONE |
64MB | (2) 4M x 36 | (2) 4M x 36 |
66MB | (2) 8M x 36 | (2) 256K x 36 |
66MB | (2) 256K x 36 | (2) 8M x 36 |
68MB | (2) 8M x 36 | (2) 512K x 36 |
68MB | (2) 512K x 36 | (2) 8M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
72MB | (2) 1M x 36 | (2) 8M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 |
80MB | (2) 2M x 36 | (2) 8M x 36 |
96MB | (2) 4M x 36 | (2) 8M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size | JP26 | JP27 | JP28 | JP29 |
128KB | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
256KB | pins 1 & 2 closed | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed |
512KB | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
CPU TYPE CONFIGURATION | |||
Type | JP30 | JP31 | JP32 |
Non SL CPU | pins 2 & 3 closed | pin 1 closed | pin 1 closed |
SL CPU | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
Note: One jumper cap closes between pin 1 on JP31 & pin 1 on JP32. |
CPU TYPE CONFIGURATION | ||||
Type | JP34 | JP35 | JP36 | JP38 |
80486SX/SX2 | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed | Open |
80487SX | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | Open |
80486DX/DX2 | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | Open |
ODP80486SX | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | Open |
P24D | pins 2 & 3 closed | pins 2 & 3 closed | pins 1 & 2, 4 & 5 closed | Closed |
Pentium Overdrive | pins 2 & 3 closed | pins 2 & 3 closed | pins 1 & 2, 4 & 5 closed | Open |
CPU SPEED CONFIGURATION | ||
Speed | JP18 | JP20 |
25MHz | pins 2 & 3 closed | pins 2 & 3 closed |
33MHz | pins 1 & 2 closed | pins 2 & 3 closed |
50iMHz | pins 2 & 3 closed | pins 2 & 3 closed |
66iMHz | pins 1 & 2 closed | pins 2 & 3 closed |
100iMHz | pins 1 & 2 closed | pins 2 & 3 closed |
DMA CHANNEL CONFIGURATION | ||
Channel | JP11 | JP12 |
DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed |
DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed |
PCI INTERRUPT CONFIGURATION (IRQ 5) | ||
PCI slot | JP1 | JP6 |
Default | pins 2 & 3 closed | pins 2 & 3 closed |
PC1 | pins 1 & 2 closed | N/A |
PC2 | pins 3 & 4 closed | N/A |
PC3 | N/A | pins 1 & 2 closed |
NCR SCSI | N/A | pins 3 & 4 closed |
PCI INTERRUPT CONFIGURATION (IRQ 9) | ||
PCI slot | JP2 | JP7 |
Default | pins 2 & 3 closed | pins 2 & 3 closed |
PC1 | pins 1 & 2 closed | N/A |
PC2 | pins 3 & 4 closed | N/A |
PC3 | N/A | pins 1 & 2 closed |
NCR SCSI | N/A | pins 3 & 4 closed |
PCI INTERRUPT CONFIGURATION (IRQ 11) | ||
PCI slot | JP3 | JP8 |
Default | pins 2 & 3 closed | pins 2 & 3 closed |
PC1 | pins 1 & 2 closed | N/A |
PC2 | pins 3 & 4 closed | N/A |
PC3 | N/A | pins 1 & 2 closed |
NCR SCSI | N/A | pins 3 & 4 closed |
PCI INTERRUPT CONFIGURATION (IRQ 14) | ||
PCI slot | JP4 | JP9 |
Default | pins 2 & 3 closed | pins 2 & 3 closed |
PC1 | pins 1 & 2 closed | N/A |
PC2 | pins 3 & 4 closed | N/A |
PC3 | N/A | pins 1 & 2 closed |
NCR SCSI | N/A | pins 3 & 4 closed |
PCI INTERRUPT CONFIGURATION (IRQ 15) | ||
PCI slot | JP5 | JP10 |
Default | pins 2 & 3 closed | pins 2 & 3 closed |
PC1 | pins 1 & 2 closed | N/A |
PC2 | pins 3 & 4 closed | N/A |
PC3 | N/A | pins 1 & 2 closed |
NCR SCSI | N/A | pins 3 & 4 closed |
Note: The NCR SCSI is the on board SCSI controller. |