DTK COMPUTER, INC. PKM-0062S (VER. 1.00) Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz Chip Set SIS Max. Onboard 64MB DRAM Cache 64/128/256KB BIOS Unidentified Dimensions 330mm x 215mm I/O Options 32-bit VESA local bus slot, floppy drive interface, game port, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 VGA port J10 IDE interface LED J2 Parallel port J11 Turbo LED J3 Serial port 1 J12 Turbo switch J4 Serial port 2 J13 Reset switch J5 PS/2 mouse port J14 IDE interface J6 External battery J17 Floppy drive interface J7 Riser slot SL1 VGA feature connector J8 32-bit VESA local SL2 bus slot Game interface J9 USER CONFIGURABLE SETTINGS Function Jumper Position » Fast A20 enabled JP18 pins 1 & 2 closed Keyboard A20 enabled JP18 pins 2 & 3 closed » VESA card select any card JP19 Closed installed VESA card select special card JP19 Open installed » VESA IRQ9 disabled JP20 Open VESA IRQ9 enabled JP20 Closed » On board VGA enabled JP23 Closed On board VGA disabled JP23 Open » Parallel port IRQ select IRQ7 JP31 pins 1 & 2 closed Parallel port IRQ select IRQ5 JP31 pins 2 & 3 closed » Game interface enabled JP32 Closed Game interface disabled JP32 Open » Battery type select external JP33 pins 1 & 2 closed Battery type select internal JP33 pins 2 & 3 closed » Monitor type select color JP34 Closed Monitor type select monochrome JP34 Open CPU type select PGA JP35 Closed CPU type select PQFP JP35 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 7MB (1) 256K x (1) 256K x (1) 256K x (1) 1M x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 NONE 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 37MB (1) 256K x (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG (U9) TAG (U10) 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 (1) 8K x 8 128KB (4) 32K x NONE (1) 8K x 8 (1) 8K x 8 8 256KB (4) 32K x (4) 32K x (1) 16K or (1) 16K or (1) 8 8 (1) 32K x 8 32K x 8 CACHE JUMPER CONFIGURATION Size JP1 JP2 JP3 JP4 JP5 JP6 JP7 64KB 2 & 3 Open 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 128KB 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 256KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP15 JP16 JP17 80486SX Open pins 2 & 3 pins 2 & 3 closed closed 80487SX pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX2 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed Pentium Overdrive pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed CPU SPEED CONFIGURATION Speed JP12 JP13 JP14 20MHz Open Closed Closed 25MHz Closed Closed Open 33MHz Closed Open Closed 40MHz Open Closed Open 50iMHz Closed Closed Open 50MHz Open Open Closed 66iMHz Closed Open Closed VL BUS SPEED CONFIGURATION » í Setting JP8 » <= 33MHz pins 1 & 2 closed » > 33MHz pins 2 & 3 closed VL BUS WAIT STATE CONFIGURATION » Setting JP9 » 0 wait states pins 1 & 2 closed » 1 wait state pins 2 & 3 closed VESA SLOT CONFIGURATION » Setting JP10 JP11 » 1 master/ 1 slave pins 1 & 2 closed pins 1 & 2 closed slot » 2 master slots pins 2 & 3 closed pins 2 & 3 closed FLOPPY DRIVE CONFIGURATION Setting JP27 JP28 Enabled pins 1 & 2 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed IDE CONFIGURATION Setting JP21 JP22 Enabled Closed Closed Disabled Open Open PARALLEL PORT CONFIGURATION » LPT JP29 JP30 » LPT1 pins 1 & 2 closed pins 1 & 2 closed » LPT2 pins 2 & 3 closed pins 1 & 2 closed » LPT3 pins 1 & 2 closed pins 2 & 3 closed » Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT CONFIGURATION » Port 1 Port 2 JP24 JP25 JP26 » COM 1 COM 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed » COM 1 Disabled pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed » COM 2 COM 1 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed » Disabled COM 1 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed » Disabled COM 2 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed » COM 2 Disabled pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed » Disabled Disabled pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed VRAM CONFIGURATION Size Bank 0 Bank 1 512KB (4) 256K x 4 NONE 1MB (4) 256K x 4 (4) 256K x 4