FREE COMPUTER TECHNOLOGY, INC. ============================== 80486SWB-ISA Processor 80486SX/80486DX Processor Speed 20/25/33MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 256KB BIOS AMI Dimensions 330mm x 218mm I/O Options None NPU Options 4167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Turbo LED | JP11 | External battery | J11 | |-------------------+----------+------------------+----------| | Power LED & | J20 | Reset switch | SW1 | | keylock | | | | |-------------------+----------+------------------+----------| | Speaker | J21 | Turbo switch | SW2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+---------+-----------| |>> | Monitor type select color | JP2 | Open | |---+----------------------------------+---------+-----------| | | Monitor type select monochrome | JP2 | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+------------+------------+-------------+-------------| | 4MB | (4) 1M x 9 | NONE | NONE | NONE | |------+------------+------------+-------------+-------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | |------+------------+------------+-------------+-------------| | 12MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x 36 | NONE | |------+------------+------------+-------------+-------------| | 16MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 | |------+------------+------------+-------------+-------------| | 20MB | (4) 1M x 9 | (4) 4M x 9 | NONE | NONE | |------+------------+------------+-------------+-------------| | 20MB | (4) 4M x 9 | (4) 1M x 9 | NONE | NONE | |------+------------+------------+-------------+-------------| | 24MB | (4) 1M x 9 | (4) 4M x 9 | (1) 1M x 36 | NONE | |------+------------+------------+-------------+-------------| | 24MB | (4) 4M x 9 | (4) 1M x 9 | (1) 1M x 36 | NONE | |------+------------+------------+-------------+-------------| | 28MB | (4) 1M x 9 | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 | |------+------------+------------+-------------+-------------| | 28MB | (4) 4M x 9 | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 | |------+------------+------------+-------------+-------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | |------------------+--------------------+--------------------| | 64KB | (8) 8K x 8 | (1) 8K x 8 | |------------------+--------------------+--------------------| | 256KB | (8) 32K x 8 | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP9 | JP10 | JP12 | |---------+----------------+----------------+----------------| | 64KB | Open | Open | Open | |---------+----------------+----------------+----------------| | 256KB | Closed | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP3 | JP4 | JP5 | |----------+-------------------+---------+-------------------| | 80486SX | Open | Open | pins 2 & 3 closed | |----------+-------------------+---------+-------------------| | 80487SX | pins 1 & 2 closed | Closed | pins 1 & 2 closed | |----------+-------------------+---------+-------------------| | 80486DX | pins 2 & 3 closed | Closed | pins 1 & 2 closed | +------------------------------------------------------------+