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 |