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 [Image] 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 & pins 1 & 2 open 12 closed LPT2 pins 9 & 10 closed, pins 11 pins 1 & 2 closed & 12 open 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 & pins 7 & 8 open 8 open COM2 pins 3 & 4 open, pins 7 & 8 pins 7 & 8 closed 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 & pins 7 & 8 open 6 open COM2 pins 1 & 2 open, pins 5 & 6 pins 7 & 8 closed closed