DTK COMPUTER, INC. PKM-0038Y (VER. 1.00) Processor 80486SX/80487SX/80486DX/80486DX2/P23T Processor Speed 20/25/33/50(internal)/50/66(internal)MHz Chip Set Symphony Video Chip Set None Maximum Onboard Memory 32MB Maximum Video Memory None Cache 64/128/256KB BIOS AMI/DTK Dimensions 252mm x 221mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J5 Turbo LED J8 Speaker J6 Reset switch J9 Turbo switch J7 32-bit VESA local SL1 & SL2 bus slots USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter J2 Closed » Monitor type select monochrome J26 Pins 1 & 2 closed Monitor type select color J26 Pins 2 & 3 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) 256K x 9 (4) 1M x 9 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) 256K x 9 (4) 4M x 9 17MB (4) 4M x 9 (4) 256K x 9 20MB (4) 1M x 9 (4) 4M 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 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 None (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J13 J14 J15 J16 None Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 64KB Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 128KB Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed closed 256KB Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed closed CACHE JUMPER CONFIGURATION (CON’T) Size J17 J18 J19 J20 None Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 64KB Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 128KB Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed 256KB Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed CACHE WAIT STATE CONFIGURATION Setting J1 J23 0 Open Closed 1 Closed Open CPU SPEED SELECTION Speed J21 J22 J24 J25 20MHz Pins 1 & 2 Open Open Open closed 25MHz Pins 1 & 2 Open Open Open closed 33MHz Pins 1 & 2 Open Open Open closed 50iMHz Pins 1 & 2 Open Open Closed closed 50MHz Pins 2 & 3 Closed Closed Closed closed 66iMHz Pins 1 & 2 Open Open Open closed CPU TYPE SELECTION Type J10 J11 J12 80486SX Open Pins 2 & 3 Open closed 80487SX Closed Pins 1 & 2 Pins 2 & 3 closed closed 80486DX Closed Pins 1 & 2 Pins 1 & 2 closed closed 80486DX2 Closed Pins 1 & 2 Pins 1 & 2 closed closed P23T Closed Pins 1 & 2 Pins 2 & 3 closed closed VL BUS WAIT STATE SELECTION Setting J4 0 Open » 1 Closed VL BUS SPEED SELECTION Speed J3 <= 33MHz Open » >33 MHz Closed