SAMSUNG ELECTRONICS AMERICA, INC. ================================= SAMSUNG 386SX Processor 80386SX Processor 25MHz Speed Chip Set Unidentified Max. Onboard 8MB DRAM 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 | J1 | IDE interface | JP4 | | connnector | | | | |----------------+----------+---------------------+----------| | Turbo switch | J2 | Floppy drive | JP5 | | | | interface | | |----------------+----------+---------------------+----------| | Power LED & | J3 | | | | keylock | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | NONE | NONE | NONE | | | 9 | | | | |-------+-------------+------------+------------+------------| | 1MB | (2) 256K x | (2) 256K x | NONE | NONE | | | 9 | 9 | | | |-------+-------------+------------+------------+------------| | 2MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x | | | 9 | 9 | 9 | 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 | pins 1 & 2 open | | | 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 | | +------------------------------------------------------------+