JOINDATA SYSTEMS, INC.
G386B Version 2
|
Processor |
80386DX |
|
Processor Speed |
20/25MHz |
|
Chip Set |
UMC |
|
Max. onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card |
|
NPU Options |
80287/80387DX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
JP2 |
Speaker |
JP6 |
|
Turbo LED |
JP1 |
Power LED & keylock |
JP7 |
|
Turbo switch |
JP3 |
32-bit external memory card |
S1 |
|
Unknown |
JP4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Monitor type select color |
W11 |
Closed | |
|
Monitor type select monochrome |
W11 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(36) 41256 |
(36) 41256 |
NONE |
NONE |
|
8MB |
(36) 411000 |
(36) 411000 |
NONE |
NONE |
|
16MB |
(36) 411000 |
(36) 411000 |
(36) 411000 |
(36) 411000 |
|
Note:Banks 2 and 3 are located on the external memory card. | ||||
|
NPU CONFIGURATION | ||
|
NPU |
JP9 |
JP10 |
|
80287 |
pins 2 & 3 closed |
Open |
|
80387 |
pins 1 & 2 closed |
Closed |
|
Not installed |
Open |
Open |
|
DRAM JUMPER CONFIGURATION | ||||
|
System Memory |
J1A |
J1B |
J2A |
J2B |
|
0KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
2MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
8MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |