UNIDENTIFIED
386SX-16 SYSTEM
Processor |
80286/80386SX |
Processor Speed |
16MHz |
Chip Set |
Headland |
Video Chip Set |
Ahead |
Maximum Onboard Memory |
4MB |
Maximum Video Memory |
1MB |
Cache |
None |
BIOS |
Phoenix |
Dimensions |
340mm x 300mm |
I/O Options |
Floppy drive interface, IDE interface, parallel port, serial port, VGA port |
NPU Options |
80287/80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
IDE interface LED |
HDD2 |
Parallel port |
J7 |
Floppy drive interface |
J2 |
VGA port |
J8 |
IDE interface |
J4 |
External battery |
JP3 |
Serial port |
J6 |
Reset switch |
JP4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Factory configured - do not alter |
JP2 |
Unidentified |
|
Factory configured - do not alter |
JP5 |
Unidentified |
Parallel port enabled |
JP11 |
Closed | |
Parallel port disabled |
JP11 |
Open | |
Serial port enabled |
JP12 |
Closed | |
Serial port disabled |
JP12 |
Open | |
|
Factory configured - do not alter |
JP16 |
Unidentified |
CGA emulation IRQ2 disabled |
JP300 |
Open | |
CGA emulation IRQ2 enabled |
JP300 |
Closed | |
|
Factory configured - do not alter |
JP303 |
Unidentified |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
512KB |
(2) 256K x 9 |
None |
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(2) 1M x 9 |
None |
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
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 |
VIDEO MEMORY JUMPER CONFIGURATION | ||
Size |
JP301 |
JP302 |
256KB |
Open |
Open |
512KB |
Open |
Closed |
1MB |
Closed |
Closed |