UNIDENTIFIED
MAT 286 MICRO AT (BA15D)
Processor | 80286 |
Processor Speed | 16/20MHz |
Chip Set | None |
Max. Onboard DRAM | 4MB |
Cache | None |
BIOS | Quadtel |
Dimensions | 220mm x 220mm |
I/O Options | None |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP3 | Power LED & keylock | JP9 |
Turbo switch | JP7 | Speaker | JP10 |
Reset switch | JP8 | Turbo LED | JP11 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Turbo switch default high speed | JP1 | pins 2 & 3 closed |
Turbo switch default low speed | JP1 | pins 1 & 2 closed | |
» | Monitor type select color | JP2 | Closed |
Monitor type select monochrome | JP2 | Open | |
» | ATCLK source select crystal Y3/4 | JP12 | Closed |
ATCLK source select crystal Y2/4 | JP12 | Open | |
» | NPU clock source select crystal Y3/3 | JP13 | pins 1 & 2 closed |
NPU clock source select crystal Y4/3 | JP13 | pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (4) 44256 | NONE | NONE | NONE |
512KB | NONE | NONE | (2) 256K x 9 | NONE |
640KB | (4) 44256 | (4) 4464 | NONE | NONE |
1MB | (4) 44256 | (4) 44256 | NONE | NONE |
2MB | NONE | NONE | (2) 1M x 9 | NONE |
2MB | (4) 441000 | NONE | NONE | NONE |
2.5MB | (4) 44256 | (4) 441000 | NONE | NONE |
2.5MB | (4) 44256 | NONE | (2) 1M x 9 | NONE |
4MB | (4) 441000 | (4) 441000 | NONE | NONE |
4MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 |