JC INFORMATION SYSTEMS CORPORATION
386DX WBC 2025
|
Processor |
80386DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo switch |
J5 |
External battery |
J10 |
|
Reset switch |
J6 |
Turbo LED |
JP4 |
|
Speaker |
J7 |
32-bit external memory card |
S1 |
|
Power LED & keylock |
J8 | ||
|
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 |
JP5 |
pins 2 & 3 closed | ||
|
Factory configured - do not alter |
JP6 |
pins 1 & 2 closed | ||
|
Factory configured - do not alter |
JP7 |
pins 1 & 2 closed | ||
|
Factory configured - do not alter |
JP8 |
pins 1 & 2 closed | ||
|
Factory configured - do not alter |
JP9 |
pins 2 & 3 closed | ||
|
Factory configured - do not alter |
JP10 |
pins 1 & 2 closed | ||
|
Note : The locations of jumpers JP3, JP5, JP6, JP7, JP8, JP9 and JP10 are unidentified. | ||||
|
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) 1 M x 9 |
(4) 256K x 9 |
|
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 |
TAG (U1) |
TAG (U2 & U3) |
|
64KB |
(8) 8K x 8 |
(1) 16K x 4 |
(2) 4K x 4 |