DIAMOND FLOWER, INC.
DFI-386/20
Processor | 80386DX |
Processor Speed | 20MHz |
Chip Set | C & T |
Max. Onboard DRAM | 16MB (with external memory card) |
Cache | None |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit external memory card |
NPU Options | 80287/80387DX/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Optional keyboard connector | J2 | CPU clock LED | J8 |
Reset switch | J3 | Reset switch | J11 |
Turbo LED | J4 | Turbo switch | J14 |
Turbo switch | J5 | External battery | J15 |
Speaker | J6 | 32-bit external memory card | SL1 |
Power LED & keylock | J7 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | J9 | pins 1 & 2 closed |
» | NPU disabled | J10 | Open |
NPU enabled 80287 | J10 | pins 2 & 3 closed | |
NPU enabled 80387/3167 | J10 | pins 1 & 2 closed | |
» | Monitor type select monochrome | J12 | Open |
Monitor type select color | J12 | Closed | |
» | Battery type select disabled | J13 | Open |
Battery type select internal | J13 | pins 1 & 2 closed | |
Battery type select external | J13 | pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (4) 256K x 9 | NONE | NONE | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE |
4MB | (4) 1M x 9 | NONE | NONE | NONE |
4MB | (4) 256K x 9 | (4) 256K x 9 | (36) 41256 | (36) 41256 |
8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
10MB | (4) 1M x 9 | (4) 1M x 9 | (36) 41256 | (36) 41256 |
16MB | (4) 1M x 9 | (4) 1M x 9 | (36) 411000 | (36) 411000 |
Note: These settings are for J1 open. |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (36) 41256 | NONE | NONE | NONE |
2MB | (36) 41256 | (36) 41256 | NONE | NONE |
4MB | (36) 411000 | NONE | NONE | NONE |
4MB | (36) 41256 | (36) 41256 | (4) 256K x 9 | (4) 256K x 9 |
8MB | (36) 411000 | (36) 411000 | NONE | NONE |
10MB | (36) 411000 | (36) 411000 | (4) 256K x 9 | (4) 256K x 9 |
16MB | (36) 411000 | (36) 411000 | (4) 1M x 9 | (4) 1M x 9 |
Note: These settings are for J1 closed. |
DRAM JUMPER CONFIGURATION | |
Setting | J1 |
Banks 0 & 1 on memory board and Banks 2 & 3 on mainboard | Closed |
Banks 0 & 1 on mainboard and Banks 2 & 3 on memory board | Open |