DTK COMPUTER, INC. ================== PKM-2500 (VER. 1.20) Processor 80486SX Processor Speed 25MHz Chip Set VLSI Max. Onboard DRAM 16MB (8MB on external memory card) Cache 64/256KB BIOS DTK/Phoenix Dimensions 355mm x 305mm I/O Options 32-bit external memory card (PEI-306) NPU Options 4167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------+----------+----------------------+----------| | Chassis fan | J1 | Speaker | J5 | | power | | | | |---------------+----------+----------------------+----------| | Power LED & | J2 | Turbo switch | J6 | | keylock | | | | |---------------+----------+----------------------+----------| | Turbo LED | J3 | 32-bit external | SL1 | | | | memory card | | |---------------+----------+----------------------+----------| | Reset switch | J4 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper/Switch | Position | |-------------------------------+---------------+------------| | | BIOS type select 27256 | W3 | pins 1 & 2 | | | | | closed | |---+---------------------------+---------------+------------| | | BIOS type select 27512 | W3 | pins 2 & 3 | | | | | closed | |---+---------------------------+---------------+------------| |>> | Factory configured - do | W6 | N/A | | | not alter | | | |---+---------------------------+---------------+------------| | | Monitor type select color | SW1/4 | On | |---+---------------------------+---------------+------------| | | Monitor type select | SW1/4 | Off | | | monochrome | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG 0 | TAG 1 | |------------+---------------+---------------+---------------| | 64KB | (8) 16K x 4 | (1) 16K x 1 | (2) 16K x 4 | |------------+---------------+---------------+---------------| | 256KB | (8) 64K x 4 | (1) 64K x 1 | (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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 0A | Bank 1A | Bank 2A | |----------+---------+---------+---------+---------+---------| | 1MB | (4) | NONE | NONE | NONE | NONE | | | 256K x | | | | | | | 9 | | | | | |----------+---------+---------+---------+---------+---------| | 2MB | (4) | (4) | NONE | NONE | NONE | | | 256K x | 256K x | | | | | | 9 | 9 | | | | |----------+---------+---------+---------+---------+---------| | 3MB | (4) | (4) | (4) | NONE | NONE | | | 256K x | 256K x | 256K x | | | | | 9 | 9 | 9 | | | |----------+---------+---------+---------+---------+---------| | 4MB (A) | (4) 1M | NONE | NONE | NONE | NONE | | | x 9 | | | | | |----------+---------+---------+---------+---------+---------| | 4MB (B) | (4) | (4) | (4) | (4) | NONE | | | 256K x | 256K x | 256K x | 256K x | | | | 9 | 9 | 9 | 9 | | |----------+---------+---------+---------+---------+---------| | 5MB | (4) | (4) | (4) | (4) | (4) | | | 256K x | 256K x | 256K x | 256K x | 256K x | | | 9 | 9 | 9 | 9 | 9 | |----------+---------+---------+---------+---------+---------| | 6MB | (4) | (4) | (4) 1M | NONE | NONE | | | 256K x | 256K x | x 9 | | | | | 9 | 9 | | | | |----------+---------+---------+---------+---------+---------| | 8MB | (4) 1M | (4) 1M | NONE | NONE | NONE | | | x 9 | x 9 | | | | |----------+---------+---------+---------+---------+---------| | 9MB | (4) 1M | (4) 1M | (4) | NONE | NONE | | | x 9 | x 9 | 256K x | | | | | | | 9 | | | |----------+---------+---------+---------+---------+---------| | 10MB (A) | (4) 1M | (4) 1M | (4) | (4) | NONE | | | x 9 | x 9 | 256K x | 256K x | | | | | | 9 | 9 | | |----------+---------+---------+---------+---------+---------| | 10MB (B) | (4) | (4) | (4) 1M | (4) 1M | NONE | | | 256K x | 256K x | x 9 | x 9 | | | | 9 | 9 | | | | |----------+---------+---------+---------+---------+---------| | 11MB | (4) 1M | (4) 1M | (4) | (4) | (4) | | | x 9 | x 9 | 256K x | 256K x | 256K x | | | | | 9 | 9 | 9 | |----------+---------+---------+---------+---------+---------| | 12MB | (4) 1M | (4) 1M | (4) 1M | NONE | NONE | | | x 9 | x 9 | x 9 | | | |----------+---------+---------+---------+---------+---------| | 14MB | (4) | (4) | (4) 1M | (4) 1M | (4) 1M | | | 256K x | 256K x | x 9 | x 9 | x 9 | | | 9 | 9 | | | | |----------+---------+---------+---------+---------+---------| | 16MB | (4) 1M | (4) 1M | (4) 1M | (4) 1M | NONE | | | x 9 | x 9 | x 9 | x 9 | | |------------------------------------------------------------| | Note: Banks 0A, 1A, and 2A are located on the external | | memory card | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | W1 | W2 | W3 | W4 | W5 | |----------+---------+---------+---------+---------+---------| | 1MB | N/A | N/A | N/A | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 2MB | N/A | N/A | N/A | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 3MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 4MB (A) | N/A | N/A | N/A | 1 & 2 | 1 & 2 | |----------+---------+---------+---------+---------+---------| | 4MB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 5MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 6MB | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 8MB | N/A | N/A | N/A | 1 & 2 | 1 & 2 | |----------+---------+---------+---------+---------+---------| | 9MB | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | |----------+---------+---------+---------+---------+---------| | 10MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | |----------+---------+---------+---------+---------+---------| | 10MB (B) | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 11MB | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | |----------+---------+---------+---------+---------+---------| | 12MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |----------+---------+---------+---------+---------+---------| | 14MB | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | |----------+---------+---------+---------+---------+---------| | 16MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note: W4, W5 are located on the mainboard. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | SW1/1 | SW1/2 | SW1/3 | |---------------+--------------+--------------+--------------| | 1MB | On | On | On | |---------------+--------------+--------------+--------------| | 2MB | On | On | On | |---------------+--------------+--------------+--------------| | 3MB | On | On | On | |---------------+--------------+--------------+--------------| | 4MB (A) | On | On | Off | |---------------+--------------+--------------+--------------| | 4MB (B) | On | On | On | |---------------+--------------+--------------+--------------| | 5MB | On | Off | On | |---------------+--------------+--------------+--------------| | 6MB | On | Off | On | |---------------+--------------+--------------+--------------| | 8MB | On | Off | Off | |---------------+--------------+--------------+--------------| | 9MB | Off | On | Off | |---------------+--------------+--------------+--------------| | 10MB (A) | Off | On | Off | |---------------+--------------+--------------+--------------| | 10MB (B) | Off | On | On | |---------------+--------------+--------------+--------------| | 11MB | Off | On | Off | |---------------+--------------+--------------+--------------| | 12MB | Off | On | Off | |---------------+--------------+--------------+--------------| | 14MB | Off | Off | On | |---------------+--------------+--------------+--------------| | 16MB | Off | Off | Off | |------------------------------------------------------------| | Note: SW1 is located on the mainboard. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 | |----------+---------+---------+---------+---------+---------| | 1MB | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 2MB | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 3MB | On | On | Off | Off | On | |----------+---------+---------+---------+---------+---------| | 4MB (A) | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 4MB (B) | On | On | Off | Off | On | |----------+---------+---------+---------+---------+---------| | 5MB | On | On | Off | Off | On | |----------+---------+---------+---------+---------+---------| | 6MB | On | Off | Off | Off | On | |----------+---------+---------+---------+---------+---------| | 8MB | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 9MB | On | On | On | Off | Off | |----------+---------+---------+---------+---------+---------| | 10MB (A) | On | On | On | Off | Off | |----------+---------+---------+---------+---------+---------| | 10MB (B) | On | Off | Off | Off | On | |----------+---------+---------+---------+---------+---------| | 11MB | On | On | On | Off | Off | |----------+---------+---------+---------+---------+---------| | 12MB | On | Off | On | Off | Off | |----------+---------+---------+---------+---------+---------| | 14MB | On | Off | Off | Off | On | |----------+---------+---------+---------+---------+---------| | 16MB | On | Off | On | Off | Off | |------------------------------------------------------------| | Note: SW2 is located on the memory card | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | SW2/6 | SW2/7 | SW2/8 | SW2/9 | SW2/10 | |----------+---------+---------+---------+---------+---------| | 1MB | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 2MB | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 3MB | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 4MB (A) | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 4MB (B) | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 5MB | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 6MB | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 8MB | N/A | N/A | N/A | N/A | N/A | |----------+---------+---------+---------+---------+---------| | 9MB | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 10MB (A) | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 10MB (B) | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 11MB | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 12MB | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 14MB | Off | Off | On | On | N/A | |----------+---------+---------+---------+---------+---------| | 16MB | Off | Off | On | On | N/A | |------------------------------------------------------------| | Note: SW2 is located on the memory card. | +------------------------------------------------------------+