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 |