J-MARK COMPUTER CORPORATION
386-25
|
Processor |
AM386/80386 (exact location unidentified) |
|
Processor Speed |
25MHz |
|
Chip Set |
OPTI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
16MB ( 8MB on external card) |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
External memory card |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
CR4 |
External memory card |
SL1 |
|
External battery |
J10 |
Reset switch |
SW1 |
|
Speaker |
J22 |
Turbo switch |
SW2 |
|
Power LED & keylock |
J23 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Monitor type select color |
JP1 |
Pins 1 & 2 closed | |
|
Monitor type select monochrome |
JP1 |
Pins 2 & 3 closed | |
|
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 |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
None |
None |
None |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
None |
None |
|
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
None |
|
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
None |
None |
None |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
None |
None |
|
6MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
None |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
None |
|
6MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
None |
|
7MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
|
7MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
7MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
None |
None |
|
9MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
None |
|
9MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
None |
|
9MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
None |
|
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
10MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
|
10MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
10MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
None |
|
13MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
13MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
|
13MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
Note: If this board has 16MB installed, the on board memory is disabled. | ||||