UNIDENTIFIED ============ 80486 CACHE SYSTEM Processor 80486SX/80487SX/80486DX Processor Speed 25/33/40/50MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit system card NPU Options 4167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+-------------------+----------| | Speaker | J1 | Turbo switch | J5 | |------------------+----------+-------------------+----------| | Power LED & | J2 | External battery | J6 | | keylock | | | | |------------------+----------+-------------------+----------| | Reset switch | J3 | 32-bit system | SL1 | | | | card | | |------------------+----------+-------------------+----------| | Turbo LED | J4 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | NPU wait state select 0 wait | JP1 | Open | | | states | | | |---+----------------------------------+--------+------------| | | NPU wait state select 1 wait | JP1 | Closed | | | state | | | |---+----------------------------------+--------+------------| |>> | Monitor type select color | JP2 | Open | |---+----------------------------------+--------+------------| | | Monitor type select monochrome | JP2 | Closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP17 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JPA | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JPB | pins 1 & 2 | | | alter | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 1MB | (4) 256K x 9 | NONE | |------------------+--------------------+--------------------| | 2MB | (4) 256K x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 4MB | (4) 1M x 9 | NONE | |------------------+--------------------+--------------------| | 5MB | (4) 1M x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 16MB | (4) 4M x 9 | NONE | |------------------+--------------------+--------------------| | 17MB | (4) 4M x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 20MB | (4) 4M x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | |------------------+--------------------+--------------------| | 128KB | (4) 32K x 8 | NONE | |------------------+--------------------+--------------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION (TAG) | |------------------------------------------------------------| | Size | U15 | U16 | U17 | U18 | |-------+-------------+------------+------------+------------| | 64KB | NONE | NONE | (1) 16K x | (1) 8K x 8 | | | | | 4 | | |-------+-------------+------------+------------+------------| | 128KB | NONE | NONE | (1) 16K x | (1) 8K x 8 | | | | | 4 | | |-------+-------------+------------+------------+------------| | 256KB | (1) 16K x 4 | (1) 16K x | (1) 16K x | NONE | | | | 4 | 4 | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP6 | JP7 | JP8 | JP9 | |---------+----------+---------+---------+-------------------| | 64KB | Open | Open | Open | Open | |---------+----------+---------+---------+-------------------| | 128KB | Closed | Open | Closed | pins 2 & 3 closed | |---------+----------+---------+---------+-------------------| | 256KB | Closed | Closed | Closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP3 | JP4 | JP5 | |----------+---------+-------------------+-------------------| | 80486SX | Open | pins 1 & 2 closed | Open | |----------+---------+-------------------+-------------------| | 80487SX | Closed | pins 2 & 3 closed | pins 1 & 2 closed | |----------+---------+-------------------+-------------------| | 80486DX | Closed | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CLOCK SELECT CONFIGURATION | |------------------------------------------------------------| | Clock | JP10 | JP11 | JP12 | |-------------+-------------------+-------------+------------| | CLK/3 | pins 1 & 2 closed | Closed | Open | |-------------+-------------------+-------------+------------| | CLK/4 | pins 1 & 2 closed | Open | Closed | |-------------+-------------------+-------------+------------| | ECLK/5 | pins 1 & 2 closed | Open | Open | |-------------+-------------------+-------------+------------| | CLK/6 | pins 1 & 2 closed | Closed | Closed | +------------------------------------------------------------+