MAGITRONICS =========== A-B307 Processor 80386SX Processor Speed 25MHz Chip Set VLSI SCAMP Max. Onboard DRAM 16MB SRAM Cache None BIOS AMI/Quadtel Dimensions 218mm x 218mm I/O Options None NPU Options 80387SX +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------------+----------+----------------+----------| | Speaker | J5 | Reset switch | J15 | |---------------------+----------+----------------+----------| | External battery | J8 | Turbo switch | J16 | |---------------------+----------+----------------+----------| | Power LED & keylock | J10 | Turbo LED | J17 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |------------------------------------+--------+--------------| |>> | Pipeline mode enabled | JP1 | closed | |---+--------------------------------+--------+--------------| | | Pipeline mode disabled | JP1 | open | |---+--------------------------------+--------+--------------| |>> | CMOS memory normal operation | JP6 | pins 1 & 2 | | | | | closed | |---+--------------------------------+--------+--------------| | | CMOS memory clear | JP6 | pins 3 & 4 | | | | | closed | |---+--------------------------------+--------+--------------| |>> | Battery select internal | JP7 | closed | |---+--------------------------------+--------+--------------| | | Battery select external | JP7 | open | |---+--------------------------------+--------+--------------| |>> | Monitor type select monochrome | JP11 | open | |---+--------------------------------+--------+--------------| | | Monitor type select color | JP11 | closed | |---+--------------------------------+--------+--------------| |>> | Parity checking enabled | JP90 | closed | |---+--------------------------------+--------+--------------| | | Parity checking disabled | JP90 | open | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | | | |-------+-------------+------------+------------+------------| | 1.5MB | (2) 256K x | (2) 256K x | (2) 256K x | NONE | | | 9 | 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 | |-------+-------------+------------+------------+------------| | 3MB | (2) 256K x | (2) 1M x 9 | NONE | NONE | | | 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 | |-------+-------------+------------+------------+------------| | 8MB | (2) 4M x 9 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 12MB | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 | NONE | |-------+-------------+------------+------------+------------| | 16MB | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 | +------------------------------------------------------------+