CHAINTECH COMPUTER COMPANY, LTD. 4SLD.3 Processor 80486SX/SL80486SX/80486SX2/CX486DX/UMCU5/80486DX/SL80486DX/ CX486DX2/80486DX2/SL80486DX2/P24D/80486DX4 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)MHz Speed Chip Set SIS 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 Green PC LED D1 Turbo switch J5 Speaker J1 Green PC connector J6 Power LED & keylock J2 External battery J7 Reset switch J3 Green PC connector JP17 Turbo LED J4 32-bit VESA local bus SL1 - SL3 slots USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP22 pins 1 & 2 closed CMOS memory clear JP22 pins 2 & 3 closed » CPU type select Cyrix JP25 Open CPU type select AM486DX2 JP25 Closed CPU type select AM486DX4 JP25 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 2MB (1) 512K x NONE NONE NONE 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 NONE (1) 1M x 36 NONE 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 10MB (1) 256K x (1) 256K x (1) 2M x 36 NONE 36 36 10MB (1) 512K x NONE (1) 2M x 36 NONE 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB (1) 2M x 36 NONE (1) 1M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 NONE (1) 2M x 36 NONE 16MB (1) 2M x 36 NONE (1) 1M x 36 (1) 1M x 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 2M x 36 NONE (1) 4M x 36 NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 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 NONE (1) 8M x 36 NONE 40MB (1) 2M x 36 NONE (1) 4M 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 64MB (1) 4M x 36 (1) 4M 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) 8M x 36 NONE (1) 8M x 36 NONE CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 16K or (1) 32K x 8 CACHE RESISTOR CONFIGURATION Size RP12 RP13 128KB Installed Not installed 256KB Not installed Installed CPU TYPE CONFIGURATION Type JP9 JP10 JP16 JP20 JP21 80486SX 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 SL80486SX 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 80486SX2 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 SL80486SX2 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 ODP486SX 1 & 2 1 & 2 2 & 3 2 & 3 2 & 3 UMC U5 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 CX486DX 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 80486DX 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 SL80486DX 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 CX486DX2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 P24D 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 80486DX2 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 SL80486DX2 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 80486DX4 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type RP5 RP6 RP7 RP8 RP9 RP10 80486SX Installed Not Not Installed Not Not installed installed installed installed SL80486SX Installed Not Not Installed Not Not installed installed installed installed 80486SX2 Installed Not Not Installed Not Not installed installed installed installed SL80486SX2 Installed Not Not Installed Not Not installed installed installed installed ODP486SX Not Installed Not Installed Not Not installed installed installed installed UMC U5 Installed Not Not Installed Not Not installed installed installed installed CX486DX Not Installed Not Not Installed Not installed installed installed installed 80486DX Not Installed Not Installed Not Not installed installed installed installed SL80486DX Not Installed Not Installed Not Not installed installed installed installed CX486DX2 Not Installed Not Not Installed Not installed installed installed installed P24D Not Not Installed Not Not Installed installed installed installed installed 80486DX2 Not Installed Not Installed Not Not installed installed installed installed SL80486DX2 Not Installed Not Installed Not Not installed installed installed installed 80486DX4 Not Installed Not Installed Not Not installed installed installed installed CPU SPEED CONFIGURATION (MX8315) Speed JP11 JP12 JP13 25MHz Open Closed Open 33MHz Closed Closed Closed 40MHz Open Closed Closed 50iMHz Open Closed Open 50MHz Closed Open Open 66iMHz Closed Closed Closed 75iMHz Open Closed Open 80iMHz Open Closed Closed 100iMHz Closed Closed Closed CPU SPEED CONFIGURATION (MXIMISC466) Speed JP11 JP12 JP13 25MHz Open Open Open 33MHz Closed Open Closed 40MHz Open Open Closed 50iMHz Open Open Open 50MHz Closed Open Open 66iMHz Closed Open Closed 75iMHz Open Open Open 100iMHz Closed Open Closed CPU SPEED CONFIGURATION (80486DX4 ONLY) Speed JP15 Cyrix pins 1 & 2 closed 2x pins 2 & 3 closed 3x Open CPU VOLTAGE CONFIGURATION Voltage JP1 JP2 JP3 JP6 3v Open Open Open pins 1 & 2 closed 4v Closed Open Open pins 2 & 3 closed 5v Closed Closed Closed Open VESA WAIT STATE CONFIGURATION Wait states JP4 0 wait states pins 1 & 2 closed 1 wait state pins 2 & 3 closed BUS SPEED CONFIGURATION CPU speed JP5 <= 33MHz pins 1 & 2 closed > 33MHz pins 2 & 3 closed