ADVANCED INTEGRATION RESEARCH, INC.
486PI REV. 1.20
|
Processor |
80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/ AM486DX4/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
64MB |
|
Cache |
128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Parallel port, serial ports (2), 32-bit VESA local bus slots (2), 32-bit PCI slots (3), floppy drive interface, IDE interface |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Floppy drive interface |
CN1 |
Speaker |
J3 |
|
Parallel port |
CN2 |
Turbo switch |
J4 |
|
IDE interface |
CN3 |
Turbo LED |
J5 |
|
Serial port 1 |
CN4 |
Reset switch |
J6 |
|
Serial port 2 |
CN5 |
32-bit PCI slots |
PC1 - PC3 |
|
Power LED & keylock |
J1 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
IDE interface LED |
J2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
CMOS memory normal operation |
JP1 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP1 |
pins 2 & 3 closed | |
|
» |
Parallel port IRQ select IRQ7 |
JP3 |
pins 1 & 2 closed |
|
Parallel port IRQ select IRQ5 |
JP3 |
pins 2 & 3 closed | |
|
» |
Monitor type select monochrome/EGA/VGA |
JP5 |
Open |
|
Monitor type select CGA |
JP5 |
Closed | |
|
» |
Factory configured - do not alter |
JP17 |
Open |
|
» |
Factory configured - do not alter |
JP29 |
Open |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 256K x 36 |
NONE |
(1) 256K x 36 |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
5MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
(1) 256K x 36 |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
10MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
NONE |
(1) 256K x 36 |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
14MB |
(1) 512K x 36 |
(1) 2M x 36 |
NONE |
(1) 1M x 36 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
(1) 256K x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
34MB |
(1) 8M x 36 |
(1) 256K x 36 |
NONE |
(1) 256K x 36 |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(2) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 32K x 8 |
|
256KB |
(4) 64K x 8 |
NONE |
(2) 32K x 8 |
|
512KB |
(4) 128K x 8 |
NONE |
(2) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP8 |
JP9 |
JP11 |
JP12 |
|
128KB |
Closed |
Open |
Open |
Open |
|
256KB |
Open |
Closed |
Closed |
Open |
|
256KB |
Closed |
Open |
Closed |
Open |
|
512KB |
Closed |
Open |
Closed |
Closed |
|
CPU TYPE CONFIGURATION | |||||
|
Type |
JP10 |
JP25 |
JP27 |
JP28 |
JP30 |
|
80486SX |
Closed |
Open |
Open |
2 & 3 |
1 & 2 |
|
CX486DX (3.3v) |
Closed |
Closed |
Closed |
1 & 2 |
2 & 3 |
|
CX486DX (5v) |
Closed |
Closed |
Open |
1 & 2 |
2 & 3 |
|
AM486DX |
Closed |
Closed |
Open |
1 & 2 |
2 & 3 |
|
80486DX |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
|
CX486DX2 (3.3v) |
Closed |
Closed |
Closed |
1 & 2 |
2 & 3 |
|
CX486DX2 (5v) |
Closed |
Closed |
Open |
1 & 2 |
2 & 3 |
|
AM486DX2 |
Closed |
Open |
Open |
1 & 2 |
2 & 3 |
|
80486DX2 |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
|
AM486DX4 |
Closed |
Closed |
Open |
1 & 2 |
2 & 3 |
|
80486DX4 |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
|
P24T |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU SPEED CONFIGURATION | ||||
|
Speed |
JP19 |
JP20 |
JP21 |
JP22 |
|
25MHz |
Closed |
Open |
Open |
pins 2 & 3 closed |
|
33MHz |
Open |
Closed |
Closed |
Closed |
|
50iMHz |
Closed |
Open |
Open |
pins 2 & 3 closed |
|
66iMHz |
Open |
Closed |
Closed |
Closed |
|
75iMHz |
Closed |
Open |
Open |
pins 2 & 3 closed |
|
100iMHz |
Open |
Closed |
Closed |
Closed |
|
DMA/ECP CONFIGURATION | |||
|
Setting |
JP4 |
JP6 |
JP7 |
|
Disabled |
Open |
Open |
pins 1 & 2 closed |
|
ECP enabled DMA 1 |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
ECP enabled DMA 3 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |