UNIDENTIFIED
386SX-25/33 (ALI M1217)
Processor | 80386SX |
Processor Speed | 25/33MHz |
Chip Set | ALI |
Video Chip Set | None |
Maximum Onboard Memory | 16MB |
Maximum Video Memory | None |
Cache | None |
BIOS | AMI/Award |
Dimensions | 220mm x 170mm |
I/O Options | None |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J4 | Turbo switch/LED | J8 |
Reset switch | J6 | Power LED & keylock | J9 |
Speaker | J7 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
Address delay enabled | J5 | Pins 1 & 2 closed | |
Address delay disabled | J5 | Open | |
NPU synchronous with CPU | JP2 | Pins 1 & 2 closed | |
NPU asynchronous with CPU | JP2 | Pins 2 & 3 closed | |
CMOS chip type US1287 | JP3 | Closed | |
CMOS chip type 146818 | JP3 | Open | |
Monitor type select color | JP4 | Pins 2 & 3 closed | |
Monitor type select monochrome | JP4 | Pins 1 & 2 closed | |
Parity enabled | JP6 | Closed | |
Parity disabled | JP6 | Open |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
512KB | (2) 256K x 9 | None |
1MB | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | None |
4MB | (2) 1M x 9 | (2) 1M x 9 |
8MB | (2) 4M x 9 | None |
16MB | (2) 4M x 9 | (2) 4M x 9 |
CPU SPEED SELECTION | ||
Speed | JP1 | JP5 |
25MHz | Pins 1 & 2 closed | Pins 1 & 2 closed |
33MHz | Pins 2 & 3 closed | Pins 2 & 3 closed |