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 |
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|
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 |
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|
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 |
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|
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) |
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|
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 |
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|
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 |
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|
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 |
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|
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. |
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|
CPU TYPE CONFIGURATION |
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|
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 |
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|
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 |
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|
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) |
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|
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) |
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|
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) |
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|
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) |
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|
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) |
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|
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. |
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