UNIDENTIFIED
386SI4
Processor | 80386DX/CX486DLC |
Processor Speed | 33/40MHz |
Chip Set | C & T |
Max. Onboard DRAM | 32MB |
SRAM Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 254mm x 218mm |
I/O Options | None |
NPU Options | 80387/CX83D87/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo LED | J3 | Reset switch | J6 |
Turbo switch | J4 | Power LED & keylock | J7 |
Speaker | J5 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP1 | open |
» | Monitor type select color | JP2 | closed |
Monitor type select monochrome | JP2 | open |
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | JP11 |
1MB | (4) 256K x 9 | NONE | pins 2 & 3 closed |
2MB | (4) 256K x 9 | (4) 256K x 9 | pins 1 & 2 closed |
4MB | (4) 1M x 9 | NONE | pins 2 & 3 closed |
5MB | (4) 1M x 9 | (4) 256K x 9 | pins 2 & 3 closed |
8MB | (4) 1M x 9 | (4) 1M x 9 | pins 1 & 2 closed |
16MB | (4) 4M x 9 | NONE | pins 2 & 3 closed |
17MB | (4) 4M x 9 | (4) 256K x 9 | pins 2 & 3 closed |
20MB | (4) 4M x 9 | (4) 1M x 9 | pins 2 & 3 closed |
32MB | (4) 4M x 9 | (4) 4M x 9 | pins 1 & 2 closed |
SRAM JUMPER CONFIGURATION | |||
Jumper | 64KB | 128KB | 256KB |
SR1 | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
SR2 | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
SR3 | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed |
SR4 | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed |
SR5 | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed |
SR6 | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed |
SR7 | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
SR8 | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed |
SR9 | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed |
SRAM CONFIGURATION | |||
Size | Cache SRAM | Location | TAG |
64KB | (8) 8K x 8 | Banks 0 & 1 | (1) 8K x 8 |
128KB | (4) 32K x 8 | Bank 0 | (1) 8K x 8 |
256KB | (8) 32K x 8 | Banks 0 & 1 | (1) 8K x 8 |