UNIDENTIFIED
EAT-12
Processor | 80286 |
Processor Speed | 12MHz |
Chip Set | None |
Max. onboard DRAM | 2MB |
Cache | None |
BIOS | Unknown |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo LED | JP1 | Reset | JP10 |
Power LED & keylock | JP4 | Turbo switch | JP12 |
External battery | JP8 | Speaker | JP13 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper/Switch | Position | |
» | BIOS type select 27256 | JP2 | pins 1 & 2 closed |
BIOS type select 27128 | JP2 | pins 2 & 3 closed | |
» | Monitor type select color | JP3 | pins 2 & 3 closed |
Monitor type select monochrome | JP3 | pins 1 & 2 closed | |
» | Speed select via keyboard enabled | JP5 | pins 1 & 2 closed |
Speed select via keyboard disabled | JP5 | pins 2 & 3 closed | |
» | Battery type select onboard | JP7 | pins 2 & 3 closed |
Battery type select external | JP7 | pins 1 & 2 closed | |
» | Power good signal detect from board | JP9 | pins 1 & 2 closed |
Power good signal detect from power supply | JP9 | pins 2 & 3 closed | |
» | Parity check disabled | JP14 | pins 2 & 3 closed |
Parity check enabled | JP14 | pins 1 & 2 closed | |
» | Factory configured - do not alter | SW1/switch 3 | Off |
» | RAM select 0 wait states | SW1/switch 4 | Off |
RAM select 1 wait state | SW1/switch 4 | On |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (4) 44256 | NONE | NONE | NONE |
640KB | (4) 44256 | (4) 4464 | NONE | NONE |
1024KB | (4) 44256 | (4) 44256 | NONE | NONE |
1152KB | (4) 44256 | (4) 44256 | (4) 4464 | NONE |
1536KB | (4) 44256 | (4) 44256 | (4) 44256 | NONE |
1664KB | (4) 44256 | (4) 44256 | (4) 44256 | (4) 4464 |
2048KB | (4) 44256 | (4) 44256 | (4) 44256 | (4) 44256 |
DRAM SWITCH CONFIGURATION | ||||
Size | System RAM | Extended RAM | SW1/1 | SW1/2 |
512KB | 512KB | 0KB | On | On |
640KB | 640KB | 0KB | On | Off |
1024KB | 640KB | 384KB | On | Off |
1152KB | 640KB | 512KB | Off | On |
1536KB | 640KB | 896KB | Off | On |
1664KB | 640KB | 1024KB | Off | Off |
2048KB | 640KB | 1408KB | Off | Off |