UNIDENTIFIED
386DX-25/33 SYSTEM
Processor | 80386DX |
Processor Speed | 25/33MHz |
Chip Set | Unidentified |
Video Chip Set | Trident |
Maximum Onboard Memory | 32MB |
Maximum Video Memory | 1MB |
Cache | None |
BIOS | Phoenix |
Dimensions | 378mm x 310mm |
I/O Options | Floppy drive interface, game port, IDE interface, parallel port, serial ports (2), VGA port, riser slot, modem connector |
NPU Options | 80387DX/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Game port | CN1 | IDE interface | J24 |
VGA port | CN2 | IDE interface LED | J25 |
Parallel port | CN3 | Floppy drive interface LED | J26 |
Serial port 2 | CN4 | Power LED | J27 |
Serial port 1 | CN5 | Floppy drive interface | J28 |
Chassis fan power | J4 | Reset switch | J29 |
External battery | J10 | Riser slot | SL1 |
Modem connector | J23 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
HDC enabled | J2 | Pins 2 & 3 closed | |
HDC disabled | J2 | Pins 1 & 2 closed | |
Game port enabled | J3 | Pins 1 & 2 closed | |
Game port disabled | J3 | Pins 2 & 3 closed | |
Monitor type select color | J5 | Closed | |
Monitor type select monochrome | J5 | Open | |
Serial port 2 enabled | J6 | Pins 1 & 2 closed | |
Serial port 2 disabled | J6 | Pins 2 & 3 closed | |
Parallel port enabled | J7 | Pins 1 & 2 closed | |
Parallel port disabled | J7 | Pins 2 & 3 closed | |
Serial port 2 COM select COM2 | J8 | Pins 1 & 2 closed | |
Serial port 2 COM select COM4 | J8 | Pins 2 & 3 closed | |
Parallel port LPT select LPT1 | J9 | Pins 1 & 2 closed | |
Parallel port LPT select LPT2 | J9 | Pins 2 & 3 closed | |
Serial port 1 enabled | J11 | Pins 1 & 2 closed | |
Serial port 1 disabled | J11 | Pins 2 & 3 closed | |
Serial port 1 COM select COM1 | J12 | Pins 1 & 2 closed | |
Serial port 1 COM select COM3 | J12 | Pins 2 & 3 closed | |
» | Monitor type select standard | J16 | Pins 1 & 2 closed |
Monitor type select non standard monochrome | J16 | Pins 2 & 3 closed | |
Monitor type select non standard color | J16 | Open | |
Video mode select interlaced | J19 | Closed | |
Video mode select non interlaced | J19 | Open | |
IDE interface enabled | J21 | Pins 1 & 2 closed | |
IDE interface disabled | J21 | Pins 2 & 3 closed | |
Floppy drive interface enabled | J22 | Pins 1 & 2 closed | |
Floppy drive interface disabled | J22 | Pins 2 & 3 closed |
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) 1M x 9 | (4) 256K x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | None |
17MB | (4) 4M x 9 | (4) 256K x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
Note: Banks are interchangeable. |
VIDEO MEMORY CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
256KB | (2) 44256 | None | None | None |
512KB | (2) 44256 | (2) 44256 | None | None |
1MB | (2) 44256 | (2) 44256 | (2) 44256 | (2) 44256 |