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 |