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 |