DEICO ELECTRONICS, INC. ======================= 386SX-MIDGET Processor 80386SX Processor Speed 16/20MHz Chip Set OPTI Max. Onboard DRAM 8MB Cache None BIOS AMI Dimensions 220mm x 220mm I/O Options Floppy drive interface, IDE interface, Parallel port, Serial port (2) NPU Options 80387SX +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 0 | Bank 1 | |-------+-------------+------------+------------+------------| | 512KB | (2) 256K x | NONE | NONE | NONE | | | 9 | | | | |-------+-------------+------------+------------+------------| | 1MB | (2) 256K x | (2) 256K x | NONE | NONE | | | 9 | 9 | | | |-------+-------------+------------+------------+------------| | 1.5MB | (2) 256K x | (2) 256K x | (2) 256K x | NONE | | | 9 | 9 | 9 | | |-------+-------------+------------+------------+------------| | 2MB | (2) 1M x 9 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 3MB | (2) 256K x | (2) 256K x | (2) 1M x 9 | NONE | | | 9 | 9 | | | |-------+-------------+------------+------------+------------| | 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | |-------+-------------+------------+------------+------------| | 5MB | (2) 256K x | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 | | | 9 | 9 | | | |-------+-------------+------------+------------+------------| | 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | |-------+-------------+------------+------------+------------| | 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |--------------------+----------+---------------+------------| | Serial port 1 | J13 | Reset switch | J19 | |--------------------+----------+---------------+------------| | Serial port 2 | J14 | Power LED & | J20 | | | | keylock | | |--------------------+----------+---------------+------------| | Parallel port | J15 | Speaker | J21 | |--------------------+----------+---------------+------------| | IDE interface | J16 | Turbo switch | J22/pins 1 | | | | | & 2 | |--------------------+----------+---------------+------------| | Floppy drive | J17 | Turbo LED | J22/pins 3 | | interface | | | & 4 | |--------------------+----------+---------------+------------| | IDE interface LED | J18 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Parallel port (J15) select LPT1 | W1 | pins 1 & 2 | | | at 378h | | closed | |---+----------------------------------+--------+------------| | | Parallel port (J15) select LPT2 | W1 | pins 2 & 3 | | | at 278h | | closed | |---+----------------------------------+--------+------------| | | Parallel port (J15) disabled | W1 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Serial port 1 (J13) select COM1 | W2 | pins 1 & 2 | | | at 3F8h | | closed | |---+----------------------------------+--------+------------| | | Serial port 1 (J13) select COM3 | W2 | pins 2 & 3 | | | at 3E8h | | closed | |---+----------------------------------+--------+------------| | | Serial port 1 (J13) disabled | W2 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Serial port 2 (J14) select COM2 | W3 | pins 1 & 2 | | | at 2F8h | | closed | |---+----------------------------------+--------+------------| | | Serial port 2 (J14) select COM4 | W3 | pins 2 & 3 | | | at 2E8h | | closed | |---+----------------------------------+--------+------------| | | Serial port 2 (J14) disabled | W3 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Parallel port (J15) select IRQ7 | W4 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Parallel port (J15) select IRQ5 | W4 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Parallel port (J15) select | W4 | pins 3 & 4 | | | disabled | | closed | |---+----------------------------------+--------+------------| |>> | IRQ3 select serial port 2 (J14) | W5 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ3 select serial port 1 (J13) | W5 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ3 disabled | W5 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| |>> | IRQ4 select serial port 1 (J13) | W6 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ4 select serial port 2 (J14) | W6 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ4 disabled | W6 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| |>> | IRQ5 disabled | W7 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ5 select serial port 2 (J14) | W7 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ5 select serial port 1 (J13) | W7 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | IRQ9 disabled | W8 | pins 3 & 4 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ9 select serial port 2 (J14) | W8 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | IRQ9 select serial port 1 (J13) | W8 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Floppy drive interface enabled | W9 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Floppy drive interface disabled | W9 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | IDE interface enabled | W10 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | IDE interface disabled | W10 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Monitor type select color | W11 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Monitor type select monochrome | W11 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Speaker select internal | W12 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Speaker select external | W12 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | W13 | open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Pipeline mode enabled | W14 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Pipeline mode disabled | W14 | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+