SAMSUNG 386SX Motherboard Settings and Configuration
SAMSUNG ELECTRONICS AMERICA, INC.
SAMSUNG 386SX
Processor | 80386SX |
Processor Speed | 25MHz |
Chip Set | Unidentified |
Max. Onboard DRAM | 8MB |
Cache | None |
BIOS | Phoenix |
Dimensions | 330mm x 190mm |
I/O Options | Floppy drive interface, IDE interface, parallel port, serial ports (2) |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port 1 | CN1 | Reset switch | J4 |
Serial port 2 | CN2 | External battery | J5 |
Parallel port | CN3 | IDE interface LED | J6 |
Keyboard connnector | J1 | IDE interface | JP4 |
Turbo switch | J2 | Floppy drive interface | JP5 |
Power LED & keylock | J3 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | BIOS type select 27256 | JP2 | Open |
BIOS type select 27512 | JP2 | Closed | |
» | IDE interface enabled | JP6 | Open |
IDE interface disabled | JP6 | Closed | |
» | Monitor type select color | JP10 | Closed |
Monitor type select monochrome | JP10 | Open | |
» | NPU disabled | NPX | pins 1 & 2 closed |
NPU enabled | NPX | pins 2 & 3 closed | |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (2) 256K x 9 | NONE | NONE | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE |
2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | NONE | NONE | NONE |
4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
HARD DRIVE CONFIGURATION | ||
Type | JP3 | JP7 |
All other types | Closed | Open |
Miniscribe old version | Open | Closed |
PARALLEL PORT CONFIGURATION | |
Setting | JP8 |
Enabled | pins 3 & 4 open |
Disabled | pins 3 & 4 closed |
PARALLEL PORT CONFIGURATION | ||
LPT | JP1 | JP8 |
LPT1 | pins 9 & 10 open, pins 11 & 12 closed | pins 1 & 2 open |
LPT2 | pins 9 & 10 closed, pins 11 & 12 open | pins 1 & 2 closed |
SERIAL PORT 1 CONFIGURATION | |
Setting | JP8 |
Enabled | pins 5 & 6 open |
Disabled | pins 5 & 6 closed |
SERIAL PORT 1 CONFIGURATION | ||
COM port | JP1 | JP8 |
COM1 | pins 3 & 4 closed, pins 7 & 8 open | pins 7 & 8 open |
COM2 | pins 3 & 4 open, pins 7 & 8 closed | pins 7 & 8 closed |
SERIAL PORT 2 CONFIGURATION | |
Setting | JP8 |
Enabled | pins 9 & 10 open |
Disabled | pins 9 & 10 closed |
SERIAL PORT 2 CONFIGURATION | ||
COM port | JP1 | JP8 |
COM1 | pins 1 & 2 closed, pins 5 & 6 open | pins 7 & 8 open |
COM2 | pins 1 & 2 open, pins 5 & 6 closed | pins 7 & 8 closed |
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