DTK COMPUTER, INC. PKM-0033S (VER. 1.03) Processor AM486/UMCU5SX/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/(SL)AM486DX2(WB)/(SL)AM486DX2(WT)/ 80486DX2/SL80486DX2/(SL)AM486DX4(WB)/(SL)AM486DX4(WT)/ AM486DX4/ 80486DX4/CXM1SC(WB)/CXM1SC(WT)/P24D/P24T Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)/120(internal)/133(internal)MHz Chip Set Unidentified Video Chip None Set Maximum 128MB Onboard Memory Maximum None Video Memory Cache 64/128/256/512/1024KB BIOS Award Dimensions 250mm x 220mm I/O 32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2), Options parallel port, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J1 IDE interface 1 J12 Turbo LED J2 IDE interface 2 J13 Power LED & keylock J3 Serial port 1 J14 Speaker J4 Serial port 2 J15 Turbo switch J5 Game interface J16 Green PC connector J6 Parallel port J17 IDE interface LED J7 Floppy drive J18 interface External battery J8 32-bit PCI slots PC1 - PC4 USER CONFIGURABLE SETTINGS Function Label Position » Turbo enabled J5 Pins 2 & 3 closed Turbo disabled J5 Pins 1 & 2 closed » Monitor type select color JP33 Closed Monitor type select monochrome JP33 Open » CMOS memory normal operation JP38 Pins 1 & 2 closed CMOS memory clear JP38 Pins 2 & 3 closed » Parallel port IRQ select IRQ7 JP51 Pins 1 & 2 closed Parallel port IRQ select IRQ5 JP51 Pins 2 & 3 closed 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 2MB (1) 512K x None None None 36 4MB (1) 256K x (1) 256K x (1) 512K x None 36 36 36 4MB (1) 512K x (1) 512K x None None 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 6MB (1) 512K x (1) 1M x 36 None None 36 8MB (1) 256K x (1) 256K x (1) 512K x (1) 1M x 36 36 36 36 8MB (1) 512K x (1) 512K x (1) 1M x 36 None 36 36 8MB (1) 1M x 36 (1) 1M x 36 None None 8MB (1) 2M x 36 None None None 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 12MB (1) 1M x 36 (1) 2M x 36 None None 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 None None 16MB (1) 4M x 36 None None None 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 18MB (1) 256K x (1) 256K x (1) 4M x 36 None 36 36 18MB (1) 512K x (1) 4M x 36 None None 36 20MB (1) 512K x (1) 512K x (1) 4M x 36 None 36 36 20MB (1) 1M x 36 (1) 4M x 36 None None 20MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 None 24MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 4M x 36 36 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 None 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 None 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 24MB (1) 2M x 36 (1) 4M x 36 None None 28MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 None None 32MB (1) 8M x 36 None None None 32MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 None 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36MB (1) 512K x (1) 512K x (1) 4M x 36 (1) 4M x 36 36 36 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 None 36MB (1) 1M x 36 (1) 8M x 36 None None 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 None 40MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 None 48MB (1) 4M x 36 (1) 8M x 36 None None 48MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 None 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 16M x 36 None None None 64MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 None 64MB (1) 8M x 36 (1) 8M x 36 None None 65MB (1) 256K x (1) 16M x 36 None None 36 68MB (1) 1M x 36 (1) 16M x 36 None None 68MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 None 72MB (1) 1M x 36 (1) 1M x 36 (1) 16M x None 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 4M x 36 (1) 16M x 36 None None 80MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 None 80MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 16M x None 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 128MB (1) 16M x 36 (1) 16M x 36 None None 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 Unidentified 128KB (4) 32K x 8 None Unidentified 256KB (A) (4) 32K x 8 (4) 32K x 8 Unidentified 256KB (B) (4) 64K x 8 None Unidentified 512KB (A) (4) 64K x 8 (4) 64K x 8 Unidentified 512KB (B) (4) 128K x 8 None Unidentified 1MB (4) 128K x 8 (4) 128K x 8 Unidentified CACHE JUMPER CONFIGURATION Size JP19 JP24 JP25 JP26 64KB 1 & 2 1 & 2 Open Open 128KB 1 & 2 2 & 3 Open 1 & 2 256KB (A) 1 & 2 2 & 3 Open 2 & 3 256KB (B) 1 & 2 2 & 3 Open 1 & 2, 3 & 4 512KB (A) 2 & 3 2 & 3 Open 2 & 3, 4 & 5 512KB (B) 2 & 3 2 & 3 1 & 2 1 & 2, 4 & 5 1MB 2 & 3 2 & 3 2 & 3 2 & 3, 4 & 5 Note: Pins designated should be in the closed position. TAG JUMPER CONFIGURATION Size JP20 JP21 JP22 JP27 64KB Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed closed 128KB Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed closed 256KB (A) Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed 256KB (B) Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed closed 512KB (A) Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed 512KB (B) Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed closed 1MB Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed closed CPU SPEED SELECTION Speed JP3 JP18 S1 S2 S3 20MHz 1 & 2 1 & 2 Open Open Open 25MHz 1 & 2 1 & 2 Closed Open Open 33MHz 1 & 2 1 & 2 Closed Closed Closed 40MHz 1 & 2 1 & 2 Closed Closed Open 50iMHz 1 & 2 1 & 2 Closed Open Open 50MHz 2 & 3 1 & 2 Open Open Closed 66iMHz 1 & 2 1 & 2 Closed Closed Closed 75iMHz 1 & 2 1 & 2 Closed Open Open CPU SPEED SELECTION (CON’T) Speed JP3 JP18 S1 S2 S3 80iMHz 1 & 2 1 & 2 Closed Closed Open 83iMHz 1 & 2 1 & 2 Closed Closed Closed 100iMHz 1 & 2 1 & 2 Closed Closed Closed 120iMHz 1 & 2 1 & 2 Closed Closed Open 133iMHz 1 & 2 1 & 2 Closed Closed Closed Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP4 JP5 JP6 JP7 JP8 AM486 Open 1 & 2 1 & 2 1 & 2 1 & 2 UMC U5SX Open Open 2 & 3 Open 2 & 3 80486SX Open Open Open Open 2 & 3 SL80486SX Open Open 1 & 2 Open 2 & 3 CX486DX Open Open 1 & 2 2 & 3 2 & 3 AM486DX Open 2 & 3 1 & 2 1 & 2 2 & 3 80486DX Open Open Open Open 2 & 3 CX486DX2 Open Open 1 & 2 2 & 3 2 & 3 AM486DX2 Open 2 & 3 1 & 2 1 & 2 2 & 3 (SL)AM486DX2 (WB) Open 1 & 2 1 & 2 1 & 2 2 & 3 (SL)AM486DX2 (WT) Open 2 & 3 1 & 2 1 & 2 2 & 3 80486DX2 Open Open Open Open 2 & 3 SL80486DX2 Open Open 1 & 2 1 & 2 2 & 3 (SL)AM486DX4 (WB) Open 1 & 2 1 & 2 1 & 2 2 & 3 (SL)AM486DX4 (WT) Open 2 & 3 1 & 2 1 & 2 2 & 3 AM486DX4 Open 1 & 2 1 & 2 1 & 2 2 & 3 80486DX4 Open 1 & 2 1 & 2 1 & 2 2 & 3 CX M1SC (WB) Open 1 & 2 1 & 2 1 & 2 1 & 2 CX M1SC (WT) Open 2 & 3 1 & 2 1 & 2 1 & 2 P24D Open Open 1 & 2 1 & 2 2 & 3 P24T Open Open 1 & 2 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP9 JP11 JP12 JP13 AM486 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 Pins 4 & 5 closed closed closed closed UMC U5SX Open Open Open Open 80486SX Open Open Open Open SL80486SX Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 closed closed closed CX486DX Pins 1 & 2 Open Open Pins 2 & 3 closed closed AM486DX Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 closed closed closed 80486DX Open Open Open Open CX486DX2 Pins 1 & 2 Open Open Pins 2 & 3 closed closed AM486DX2 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 closed closed closed (SL)AM486DX2 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 (WB) closed closed closed (SL)AM486DX2 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 (WT) closed closed closed 80486DX2 Open Open Open Open SL80486DX2 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 closed closed closed (SL)AM486DX4 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 (WB) closed closed closed (SL)AM486DX4 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 (WT) closed closed closed AM486DX4 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 closed closed closed 80486DX4 Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 closed closed closed CX M1SC (WB) Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 Pins 4 & 5 closed closed closed closed CX M1SC (WT) Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 Pins 4 & 5 closed closed closed closed P24D Pins 2 & 3 Open Pins 1 & 2 Pins 4 & 5 closed closed closed P24T Pins 2 & 3 Open Open Pins 1 & 2 closed closed Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP14 JP15 JP16 JP17 AM486 1 & 2, 3 & 3 & 4 1 & 2, 3 & Open 4 4 UMC U5SX 1 & 2, 3 & 1 & 2, 3 & Open 3 & 4 4 4 80486SX 2 & 3 Open Open Open SL80486SX 2 & 3 Open 3 & 4 Open CX486DX 1 & 2, 3 & 3 & 4 2 & 3 2 & 3 4 AM486DX 1 & 2, 3 & 3 & 4 3 & 4 Open 4 80486DX 1 & 2, 3 & 3 & 4 Open Open 4 CX486DX2 1 & 2, 3 & 3 & 4 2 & 3 2 & 3 4 AM486DX2 1 & 2, 3 & 3 & 4 3 & 4 Open 4 (SL)AM486DX2 (WB) 1 & 2, 3 & 3 & 4 3 & 4 Open 4 (SL)AM486DX2 (WT) 1 & 2, 3 & 3 & 4 3 & 4 Open 4 80486DX2 1 & 2, 3 & 3 & 4 Open Open 4 SL80486DX2 1 & 2, 3 & 3 & 4 3 & 4 Open 4 (SL)AM486DX4 (WB) 1 & 2, 3 & 3 & 4 3 & 4 Open 4 (SL)AM486DX4 (WT) 1 & 2, 3 & 3 & 4 3 & 4 Open 4 AM486DX4 1 & 2, 3 & 3 & 4 3 & 4 Open 4 80486DX4 1 & 2, 3 & 3 & 4 3 & 4 Open 4 CX M1SC (WB) 1 & 2, 3 & 3 & 4 1 & 2 Open 4 CX M1SC (WT) 1 & 2, 3 & 3 & 4 1 & 2 Open 4 P24D 1 & 2, 3 & 3 & 4 3 & 4 Open 4 P24T 1 & 2, 3 & 2 & 3 3 & 4 1 & 2 4 Note: Pins designated should be in the closed position. CPU MULTIPLIER SELECTION (DX4 ONLY) Multiplier JP10 2x Pins 2 & 3 closed 3x Open CPU VOLTAGE SELECTION Voltage S4 S5 S6 3.3v Pins 1 & 2 Open Open closed 3.45v Open Pins 1 & 2 Open closed 3.6v Open Open Pins 1 & 2 closed 4v Open Open Open 5v Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed DMA CHANNEL SELECTION Channel JP36 JP37 JP52 JP53 » Printer Open Open Pins 1 & 2 Pins 1 & 2 closed closed 1 Pins 1 & 3 Pins 1 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 3 Pins 2 & 4 Pins 2 & 4 Pins 1 & 2 Pins 1 & 2 closed closed closed closed FLASH BIOS SELECTION Setting JP34 JP35 » EPROM Pins 2 & 3 closed Pins 2 & 3 closed 5v flash Pins 2 & 3 closed Pins 1 & 2 closed 12v flash Pins 1 & 2 closed Pins 1 & 2 closed