ADVANCED INTEGRATION RESEARCH, INC.
486US
Processor | 80486SX/80487SX/80486DX |
Processor Speed | 20/25/33/50MHz |
Chip Set | UMC |
Max. Onboard DRAM | 32MB |
Cache | 64/128/256KB |
BIOS | AMI/Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit external memory card slot |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Turbo switch | J6 |
Power LED & keylock | J3 | Turbo LED | J7 |
Speaker | J4 | 32-bit external memory card | JME1 |
Reset switch | J5 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | JP10 | Closed |
Monitor type select monochrome | JP10 | Open | |
» | CMOS memory normal operation | JP19 | pins 1 & 2 closed |
CMOS memory clear | JP19 | pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (4) 256K x 9 | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 |
4MB | (4) 1M x 9 | NONE |
5MB | (4) 1M x 9 | (4) 256K x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
20MB | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
CACHE CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
64KB | (4) 8K x 8 | (4) 8K x 8 |
128KB | (4) 32K x 8 | NONE |
256KB | (4) 32K x 8 | (4) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size | JP13 | JP14 | JP16 | JP17 | JP18 |
64KB | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
128KB | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
256KB | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
Note:Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||||
Type | JP1 | JP2 | JP3 | JP8 |
80486SX | Open | pins 2 & 3 closed | pins 3 & 4 closed | Open |
80487SX | Closed | pins 1 & 2 closed | pins 2 & 3 closed | Open |
80486DX | Closed | pins 1 & 2 closed | pins 1 & 2 closed | Open |