CHAINTECH COMPUTER COMPANY, LTD. 4ULD.1 Processor 80486SX/SL80486SX/UMCU5S/CX486M7/AM486DXL/80486DX/SL80486DX/ AM486DXL2/80486DX2/SL80486DX/80486DX4/P24D/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)MHz Chip Set UMC Max. 64MB Onboard DRAM Cache 128/256KB BIOS Award Dimensions 250mm x 220mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock JP1 Green PC connector JP20 Green PC connector JP2 Reset switch JP21 Green PC connector JP3 Speaker JP23 Green PC connector JP4 Turbo LED JP26 Green PC connector JP5 Green PC LED JP33 External battery JP8 32-bit VESA local bus SL1 - SL3 slots Turbo switch JP16 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select internal JP8 pins 2 & 3 closed CMOS memory clear JP8 pins 3 & 4 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (4) 256K x 9 NONE NONE 1MB NONE (1) 256K x 36 NONE 2MB (4) 256K x 9 (1) 256K x 36 NONE 2MB NONE (1) 512K x 36 NONE 2MB NONE (1) 256K x 36 (1) 256K x 36 3MB (4) 256K x 9 (1) 512K x 36 NONE 3MB NONE (1) 512K x 36 (1) 256K x 36 3MB NONE (1) 256K x 36 (1) 512K x 36 4MB (4) 1M x 9 NONE NONE 4MB NONE (1) 1M x 36 NONE 4MB NONE (1) 512K x 36 (1) 512K x 36 5MB (4) 1M x 9 (1) 256K x 36 NONE 5MB (4) 256K x 9 (1) 1M x 36 NONE 5MB NONE (1) 1M x 36 (1) 256K x 36 5MB NONE (1) 256K x 36 (1) 1M x 36 6MB (4) 1M x 9 (1) 512K x 36 NONE 6MB NONE (1) 1M x 36 (1) 512K x 36 6MB NONE (1) 512K x 36 (1) 1M x 36 8MB (4) 1M x 9 (1) 1M x 36 NONE 8MB NONE (1) 2M x 36 NONE 8MB NONE (1) 1M x 36 (1) 1M x 36 9MB (4) 256K x 9 (1) 2M x 36 NONE 9MB NONE (1) 2M x 36 (1) 256K x 36 9MB NONE (1) 256K x 36 (1) 2M x 36 10MB NONE (1) 2M x 36 (1) 512K x 36 10MB NONE (1) 512K x 36 (1) 2M x 36 12MB (4) 1M x 9 (1) 2M x 36 NONE 12MB NONE (1) 2M x 36 (1) 1M x 36 12MB NONE (1) 1M x 36 (1) 2M x 36 16MB (4) 4M x 9 NONE NONE 16MB NONE (1) 4M x 36 NONE 16MB NONE (1) 2M x 36 (1) 2M x 36 17MB (4) 4M x 9 (1) 256K x 36 NONE 17MB (4) 256K x 9 (1) 4M x 36 NONE 17MB NONE (1) 4M x 36 (1) 256K x 36 17MB NONE (1) 256K x 36 (1) 4M x 36 18MB (4) 4M x 9 (1) 512K x 36 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 18MB NONE (1) 4M x 36 (1) 512K x 36 18MB NONE (1) 512K x 36 (1) 4M x 36 20MB (4) 4M x 9 (1) 1M x 36 NONE 20MB (4) 1M x 9 (1) 4M x 36 NONE 20MB NONE (1) 4M x 36 (1) 1M x 36 20MB NONE (1) 1M x 36 (1) 4M x 36 24MB (4) 4M x 9 (1) 2M x 36 NONE 24MB NONE (1) 4M x 36 (1) 2M x 36 24MB NONE (1) 2M x 36 (1) 4M x 36 32MB (4) 8M x 9 NONE NONE 32MB (4) 4M x 9 (1) 4M x 36 NONE 32MB NONE (1) 8M x 36 NONE 32MB NONE (1) 4M x 36 (1) 4M x 36 33MB (4) 8M x 9 (1) 256K x 36 NONE 33MB (4) 256K x 9 (1) 8M x 36 NONE 33MB NONE (1) 8M x 36 (1) 256K x 36 33MB NONE (1) 256K x 36 (1) 8M x 36 34MB (4) 8M x 9 (1) 512K x 36 NONE 34MB NONE (1) 8M x 36 (1) 512K x 36 34MB NONE (1) 512K x 36 (1) 8M x 36 36MB (4) 8M x 9 (1) 1M x 36 NONE 36MB (4) 1M x 9 (1) 8M x 36 NONE 36MB NONE (1) 8M x 36 (1) 1M x 36 36MB NONE (1) 1M x 36 (1) 8M x 36 40MB (4) 8M x 9 (1) 2M x 36 NONE 40MB NONE (1) 8M x 36 (1) 2M x 36 40MB NONE (1) 2M x 36 (1) 8M x 36 48MB (4) 8M x 9 (1) 4M x 36 NONE 48MB (4) 4M x 9 (1) 8M x 36 NONE 48MB NONE (1) 8M x 36 (1) 4M x 36 48MB NONE (1) 4M x 36 (1) 8M x 36 64MB (4) 16M x 9 NONE NONE 64MB (4) 8M x 9 (1) 8M x 36 NONE 64MB NONE (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 16K or (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 16K or (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP13 JP14 JP15 128KB pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 256KB (A) pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 256KB (B) pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed CPU TYPE CONFIGURATION Type JS1 JS2 JS3 JS4 JS5 80486SX 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 SL80486SX 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 UMCU5S 2 & 3 2 & 3 2 & 3 1 & 2 1 & 2 CX486M7 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 AM486DXL 1 & 2 1 & 2 2 & 3 1 & 2 1 & 2 80486DX 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 SL80486DX 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 AM486DXL2 1 & 2 1 & 2 2 & 3 1 & 2 1 & 2 80486DX2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 SL80486DX2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 P24D 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 80486DX4 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 Pentium 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 Overdrive Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JS6 JS7 JS8 JS9 JS10 80486SX 1 & 2 1 & 2 3 & 4 1 & 2 2 & 3 SL80486SX 1 & 2 1 & 2 3 & 4 1 & 2 1 & 2 UMCU5S 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 CX486M7 3 & 4 3 & 4 1 & 2 3 & 4 1 & 2 AM486DXL 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 80486DX 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 SL80486DX 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 AM486DXL2 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 80486DX2 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 SL80486DX2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 P24D 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 80486DX4 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 Pentium 1 & 2 1 & 2 2 & 3 1 & 2 1 & 2 Overdrive Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JS11 JS12 JS13 JS14 80486SX pins 3 & 4 pins 3 & 4 pins 3 & 4 pins 3 & 4 closed closed closed closed SL80486SX pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed UMCU5S pins 3 & 4 pins 2 & 3 pins 3 & 4 pins 2 & 3 closed closed closed closed CX486M7 pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 3 & 4 closed closed closed closed AM486DXL pins 3 & 4 pins 2 & 3 pins 3 & 4 pins 2 & 3 closed closed closed closed 80486DX pins 3 & 4 pins 3 & 4 pins 3 & 4 pins 3 & 4 closed closed closed closed SL80486DX pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed AM486DXL2 pins 3 & 4 pins 2 & 3 pins 3 & 4 pins 2 & 3 closed closed closed closed 80486DX2 pins 3 & 4 pins 3 & 4 pins 3 & 4 pins 3 & 4 closed closed closed closed SL80486DX2 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed P24D pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 80486DX4 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed Pentium pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 Overdrive closed closed closed closed CPU SPEED CONFIGURATION (MX8315/UM9515) Speed JP17 JP18 JP19 25MHz Open Open Closed 33MHz Closed Closed Closed 40MHz Closed Open Closed 50iMHz Open Open Closed 50MHz Open Closed Open 66iMHz Closed Closed Closed 75iMHz Open Open Closed 80iMHz Closed Open Closed 100iMHz Closed Closed Closed CPU SPEED CONFIGURATION (IMIS466) Speed JP17 JP18 JP19 25MHz Open Open Open 33MHz Closed Closed Open 40MHz Closed Open Open 50iMHz Open Open Open 50MHz Open Closed Open 66iMHz Closed Closed Open 75iMHz Open Open Open 80iMHz Closed Open Open 100iMHz Closed Closed Open CPU SPEED CONFIGURATION (80486DX4 ONLY) Speed JP25 2x pins 2 & 3 closed 3x Open CPU VOLTAGE CONFIGURATION Voltage JP10 JP11 JP12 3.3v pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 5v pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed VESA WAIT STATE CONFIGURATION Wait states JP24 0 wait states Open 1 wait state Closed VL BUS SPEED CONFIGURATION CPU speed JP22 <= 33MHz Open > 33MHz Closed