DTK COMPUTER, INC. GRAFIKA 4A Processor 80486SX Processor Speed 33MHz Chip Set VLSI Max. Onboard DRAM 16MB (8MB on external memory card) Cache 64/256KB BIOS DTK Dimensions 355mm x 305mm I/O Options 32-bit external memory card (PEI-306) NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Chassis fan power J1 Speaker J5 Power LED & keylock J2 Turbo switch J6 Turbo LED J3 32-bit external SL1 memory card Reset switch J4 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position Turbo switch select normal J6 pins 1 & 2 emulate without cache closed support Turbo switch select turbo J6 Open cache support high speed Turbo switch select press J6 pins 2 & 3 CTRL, ALT, - closed » BIOS type select 27256 W3 pins 1 & 2 closed BIOS type select 27512 W3 pins 2 & 3 closed » Cache video BIOS enabled W6 Closed Cache video BIOS disabled W6 Open » Monitor type select SW1/4 Off monochrome Monitor type select color SW1/4 On 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 [Image] DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 0A Bank 1A Bank 2A 1MB (4) 256K NONE NONE NONE NONE x 9 2MB (4) 256K (4) 256K NONE NONE NONE x 9 x 9 3MB (4) 256K (4) 256K (4) 256K NONE NONE x 9 x 9 x 9 4MB (A) (4) 1M x NONE NONE NONE NONE 9 4MB (B) (4) 256K (4) 256K (4) 256K (4) 256K NONE x 9 x 9 x 9 x 9 5MB (4) 256K (4) 256K (4) 256K (4) 256K (4) 256K x x 9 x 9 x 9 x 9 9 6MB (4) 256K (4) 256K (4) 1M x NONE NONE x 9 x 9 9 8MB (4) 1M x (4) 1M x NONE NONE NONE 9 9 9MB (4) 1M x (4) 1M x (4) 256K NONE NONE 9 9 x 9 10MB (A) (4) 1M x (4) 1M x (4) 256K (4) 256K NONE 9 9 x 9 x 9 10MB (B) (4) 256K (4) 256K (4) 1M x (4) 1M x NONE x 9 x 9 9 9 11MB (4) 1M x (4) 1M x (4) 256K (4) 256K (4) 256K x 9 9 x 9 x 9 9 12MB (4) 1M x (4) 1M x (4) 1M x NONE NONE 9 9 9 14MB (4) 256K (4) 256K (4) 1M x (4) 1M x (4) 1M x 9 x 9 x 9 9 9 16MB (4) 1M x (4) 1M x (4) 1M x (4) 1M x NONE 9 9 9 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.