JC INFORMATION SYSTEMS CORPORATION
HIGH PERFORMANCE 386 (NON-CACHE)
Processor |
80386DX |
Processor Speed |
20/25MHz |
Chip Set |
C & T |
Max. Onboard DRAM |
8MB |
Cache |
None |
BIOS |
Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit external memory card slot |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker |
J1 |
Turbo LED |
J4 |
Reset switch |
J2 |
External battery |
J9 |
Power LED & keylock |
J3 |
32-bit external memory card |
S1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Battery select internal |
J9 |
pins 3 & 4 closed |
Battery select external |
J9 |
Closed | |
» |
Monitor type select color |
JP1 |
Closed |
Monitor type select monochrome |
JP1 |
Open | |
» |
NPU disabled |
JP2 |
Open |
NPU enabled |
JP2 |
pins 1 & 2, 3 & 4 closed | |
» |
Factory configured - do not alter |
JP3 |
N/A |
DRAM CONFIGURATION | |||
Size |
Bank 0 |
P-0 |
Bank 1 |
1MB |
(8) 44256 |
(4) 41256 |
NONE |
1MB |
NONE |
NONE |
(4) 256K x 9 |
2MB |
(8) 44256 |
(4) 41256 |
(4) 256K x 9 |
4MB |
(8) 441000 |
(4) 411000 |
NONE |
4MB |
NONE |
NONE |
(4) 1M x9 |
5MB |
(8) 441000 |
(4) 411000 |
(4) 256K x 9 |
5MB |
(8) 44256 |
(4) 41256 |
(4) 1M x9 |
8MB |
(8) 441000 |
(4) 411000 |
(4) 1M x9 |
DRAM JUMPER CONFIGURATION | |||
Function |
JP4 |
JP6 |
JP7 |
Bank 0 as DIPP memory |
pins 1 & 2 closed |
pins 3 & 4 closed |
pins 2 & 3 closed |
Bank 0 as SIMM memory |
pins 3 & 4 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
Note : When using both DIPP & SIMM together, the DIPPs must be set as Bank 0. |