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. |