UNIDENTIFIED
286V
Processor | 80286 |
Processor Speed | 10/12MHz |
Chip Set | VLSI |
Max. onboard DRAM | 4MB |
SRAM Cache | None |
BIOS | AMI |
Dimensions | 330mm x 220mm |
I/O Options | None |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | J8 | Turbo switch | J11 |
Reset | J9 | Speaker | J12 |
Turbo LED | J10 | External battery | J14 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | J1 | Closed |
Monitor type select monochrome | J1 | Open | |
» | Power good signal detect from power supply | J2 | pins 2 & 3 closed |
Power good signal detect from board | J2 | pins 1 & 2 closed | |
» | Memory select 0 wait states | J6 | Closed |
Memory select 1 wait state | J6 | Open | |
» | BIOS type select 27256 | J13 | Closed |
BIOS type select 27512 | J13 | Open | |
» | CMOS memory normal operation | J15 | pins 1 & 2 closed |
CMOS memory clear | J15 | pins 2 & 3 closed |
DRAM CONFIGURATION | ||||||
Size | Bank 0 | Bank 1 | Bank 2 | Parity 2 | Bank 3 | Parity 3 |
512KB | (18) 41256 | NONE | NONE | NONE | NONE | NONE |
512KB | NONE | NONE | (4) 44256 | (2) 41256 | NONE | NONE |
640KB | (18) 41256 | (18) 4164 | NONE | NONE | NONE | NONE |
1MB | (18) 41256 | (18) 41256 | NONE | NONE | NONE | NONE |
1MB | NONE | NONE | (4) 44256 | (2) 41256 | (4) 44256 | (2) 41256 |
2MB | (18) 411000 | NONE | NONE | NONE | NONE | NONE |
4MB | (18) 411000 | (18) 411000 | NONE | NONE | NONE | NONE |
DRAM JUMPER CONFIGURATION | |||
Size | J3 | J4 | J5 |
512KB | Closed | Closed | Closed |
640KB | Open | Closed | Closed |
1MB | Closed | Open | Closed |
2MB | Open | Open | Closed |
4MB | Closed | Closed | Open |