J-MARK COMPUTER CORPORATION
386WB Cache (Version III)
Processor | 80386DX |
Processor Speed | 33/40MHz |
Chip Set | OPTI |
Max. Onboard DRAM | 32MB |
Cache | 32/64/128/256KB |
BIOS | AMI |
Dimensions | 240mm x 220mm |
I/O Options | None |
NPU Options | 80387 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J10 | Turbo LED | JP4 |
Power LED & keylock | J23 | Reset switch | JP11 |
Speaker | J24 | Turbo switch | SW2 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | JP1 | Closed |
Monitor type select monochrome | JP1 | Open | |
» | CMOS memory normal operation | JP2 | pins 2 & 3 closed |
CMOS memory clear | JP2 | pins 1 & 2 closed | |
» | Factory configured - do not alter | JP3 | Closed |
» | Factory configured - do not alter | JP14 | Open |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (4) 256K x 9 | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 |
4MB | (4) 1M x 9 | NONE |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
32MB | (4) 4M x 9 | (4) 4M x 9 |
CACHE CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
32KB | (4) 8K x 8 | NONE |
64KB | (4) 8K x 8 | (4) 8K x 8 |
128KB | (4) 32K x 8 | NONE |
256KB | (4) 32K x 8 | (4) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||||
Size | JP5 | JP6 | JP7 | JP8 | JP9 | JP10 |
32KB | 1 & 2 | 2 & 3 | 1 & 2 | Open | Open | 2 & 3 |
64KB | 2 & 3 | 2 & 3 | 1 & 2 | Open | Open | 1 & 2 |
128KB | 2 & 3 | 2 & 3 | 2 & 3 | Closed | Open | 1 & 2 |
256KB | 2 & 3 | 1 & 2 | 2 & 3 | Closed | Closed | 1 & 2 |
Note:Pins designated should be in the closed position. |