FORCOM TECHNOLOGY CORPORATION
B637/B638/B639
Processor | 80386SX |
Processor Speed | 16/20/25MHz |
Chip Set | Headland |
Max. Onboard DRAM | 8MB |
Cache | None |
BIOS | AMI/Quadtel |
Dimensions | 246.6mm x 216.8mm |
I/O Options | None |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo LED | P1 | Reset switch | P5 |
Speaker | P2 | External battery | P6 |
Power LED & Keylock | P3 | Turbo switch | W2 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select monochrome | JP103 | Open |
Monitor type select color | JP103 | Closed | |
» | Power good signal detect from board | P7 | pins 1 & 2 closed |
Power good signal detect from power supply | P7 | pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (2) 256K x 9 | NONE | NONE | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE |
1.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | NONE |
2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | NONE | NONE | NONE |
3MB | (2) 256K x 9 | (2) 256K x 9 | (2) 1M x 9 | NONE |
4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
4.5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x 9 | NONE |
5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x 9 | (2) 256K x 9 |
6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE |
8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |