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 |