UNIDENTIFIED
AC 486 MODEL PGA
Processor | 80486SX/80486DX/80486DX2 |
Processor Speed | 20/25/33/50(internal)/66(internal)MHz |
Chip Set | ACC |
Max. Onboard DRAM | 32MB |
Cache | None |
BIOS | AMI |
Dimensions | 254mm x 236mm |
I/O Options | None |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Reset switch | J4 |
Turbo LED | J2 | Speaker | J5 |
Turbo switch | J3 | Power LED & keylock | J6 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select monochrome | JP1 | pins 1 & 2 closed |
Monitor type select color | JP1 | 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) 256K x 9 | (4) 1M 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 |
CPU TYPE CONFIGURATION | ||||
Type | Location | JP3 | JP4 | JP5 |
80486SX | Primary | N/A | Open | pins 2 & 3 closed |
80487SX | Upgrade | pins 1 & 2 closed | Closed | N/A |
80486DX | Primary | N/A | Open | pins 1 & 2, 3 & 4 closed |
80486DX | Upgrade | pins 2 & 3 closed | Closed | N/A |
80486DX2 | Primary | N/A | Open | pins 1 & 2, 3 & 4 closed |
80486DX2 | Upgrade | pins 2 & 3 closed | Closed | N/A |