DTK COMPUTER, INC. ================== POM-2000 (NETT-2000) Processor 80486SX/80487SX Processor Speed 20MHz Chip Set None Max. Onboard DRAM 16MB (8MB on external memory card) Cache 64/256KB BIOS AMI/DTK Dimensions 330mm x 306mm I/O Options 32-bit external memory card slot NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |----------------+----------+---------------------+----------| | Secondary fan | J1 | Speaker | J5 | | power | | | | |----------------+----------+---------------------+----------| | Power LED & | J2 | External battery | J9 | | keylock | | | | |----------------+----------+---------------------+----------| | Turbo LED | J3 | 32-bit external | S1 | | | | memory card | | |----------------+----------+---------------------+----------| | Reset switch | J4 | | | |------------------------------------------------------------| | Note:External battery jumper (J9) may not be present on | | all boards. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Cache enabled | J6 | Open | |---+----------------------------------+--------+------------| | | Cache disabled | J6 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Cache enabled/disabled | J6 | pins 2 & 3 | | | switchable from keyboard | | closed | |---+----------------------------------+--------+------------| |>> | Monitor type select monochrome | SW1/4 | Off | |---+----------------------------------+--------+------------| | | Monitor type select color | SW1/4 | On | |---+----------------------------------+--------+------------| |>> | BIOS type select 27256 | W3 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | BIOS type select 27512 | W3 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Video BIOS caching enabled | W6 | Closed | |---+----------------------------------+--------+------------| | | Video BIOS caching disabled | W6 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |------------------+--------------------+--------------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM JUMPER/ SWITCH CONFIGURATION | |------------------------------------------------------------| | Size | SW1/1 | SW1/2 | SW1/3 | W4 | W5 | |---------+----------+----------+---------+---------+--------| | 1MB | On | On | On | 2 & 3 | 2 & 3 | |---------+----------+----------+---------+---------+--------| | 2MB | On | On | On | 2 & 3 | 2 & 3 | |---------+----------+----------+---------+---------+--------| | 4MB | On | On | Off | 1 & 2 | 1 & 2 | |---------+----------+----------+---------+---------+--------| | 8MB | On | Off | Off | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | |------------------+--------------------+--------------------| | 64KB | (8) 16K x 4 | (2) 16K x 4 | |------------------+--------------------+--------------------| | 256KB | (8) 64K x 4 | (2) 64K x 4 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | W1 | W2 | |------------------+--------------------+--------------------| | 64KB | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 256KB | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+