UNIDENTIFIED
AT-386
Processor | 80386 |
Processor Speed | 25MHz |
Chip Set | VLSI |
Video Chip Set | None |
Maximum Onboard Memory | 8MB |
Maximum Video Memory | None |
Cache | None |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80287/80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | J1 | Reset switch | J13 |
Speaker | J2 | External battery | J14 |
MIPS counter | J3 | On board LED | J15 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | J4 | Unidentified |
80287 enabled | J5 | Closed | |
80287 disabled | J5 | Open | |
» | CMOS memory normal operation | J6 | Pins 1 & 2 closed |
CMOS memory clear | J6 | Pins 2 & 3 closed | |
Monitor type select color | J11 | Closed | |
Monitor type select monochrome | J11 | Open | |
Reset valid after keyboard is locked | J12 | Pins 1 & 2 closed | |
Reset valid at all times | J12 | Pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512MB | (2) 256K x 9 | None | None | None |
1MB | (2) 256K x 9 | (2) 256K x 9 | None | None |
1.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | None |
2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | None | None | None |
4MB | (2) 1M x 9 | (2) 1M x 9 | None | None |
6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | None |
8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
NPU SPEED SELECTION | ||
Speed | J7 | J8 |
Low speed | Pins 1 & 2 closed | Pins 2 & 3 closed |
10MHz | Pins 2 & 3 closed | Pins 1 & 2 closed |