UNIDENTIFIED
386DX NON-CACHE MAINBOARD (PGA)
Processor | 80386DX |
Processor Speed | 25/33/40MHz |
Chip Set | Unidentified |
Video Chip Set | None |
Maximum Onboard Memory | 32MB |
Maximum Video Memory | None |
Cache | None |
BIOS | AMI |
Dimensions | 254mm x 218mm |
I/O Options | None |
NPU Options | 80387DX/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP2 | Reset switch | JP9 |
Speaker | JP7 | Turbo switch | JP10 |
Power LED & keylock | JP8 | Turbo LED | JP11 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | CMOS memory normal operation | JP3 | Pins 1 & 2 closed |
CMOS memory clear | JP3 | Pins 2 & 3 closed | |
Monitor type select color | JP6 | Closed | |
Monitor type select monochrome | JP6 | Open |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (4) 256K x 9 | None |
2MB | (4) 256K x 9 | (4) 256K x 9 |
4MB | (4) 1M x 9 | None |
5MB | (4) 256K x 9 | (4) 1M x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | None |
20MB | (4) 1M x 9 | (4) 4M x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
Note: The location of banks 0 & 1 are unidentified. |