RELIALOGIC CORPORATION PRIVATE, LTD. UM4980 Processor CX486S/SL80486SX/80486SX/SL80486SX2/80486SX2/CX486DX/AM486DX/ U5S/SL80486DX/80486DX/AM486DX2/CX486DX2/SL80486DX2/80486DX2/ AM486DX4/80486DX4 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set UMC Max. 64MB Onboard DRAM Cache 128/256/512/1024KB BIOS Phoenix Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (3) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery J2 Power LED & J90 pins 11 - keylock 15 Turbo LED J90 pins 2 - Speaker J90 pins 17 - 3 20 Green PC connector J90 pins 4 - Daughter board JP90 5 connector Turbo switch J90 pins 6 - 32-bit VESA local SL1 - SL3 7 bus slots Reset switch J90 pins 9 - 10 USER CONFIGURABLE SETTINGS Function Jumper Position » Flash BIOS voltage select 5v JP1 pins 1 & 2 closed Flash BIOS voltage select 12v JP1 pins 2 & 3 closed » Keyboard type select external JP3 Open Keyboard type select internal JP3 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 NONE NONE NONE (1) 512K x 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 NONE NONE (1) 512K x (1) 512K x 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB NONE NONE NONE (1) 2M x 36 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 13MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB NONE NONE (1) 2M x 36 (1) 2M x 36 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 25MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 37MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 49MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 Note: If 8042 keyboard controller is not installed, maximum memory is 32MB. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 32K x 8 256KB (4) 64K x 8 NONE (1) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 64K x 8 CACHE JUMPER CONFIGURATION Size JP4 JP5 JP6 JP10 JP11 JP12 JP13 128KB 1 & 2 1 & 2 Open Open Open Open Open 256KB 1 & 2 1 & 2 1 & 2 Open Open Open Closed 256KB 2 & 3 2 & 3 Open Open Open Open Closed 512KB 2 & 3 2 & 3 2 & 3 Open Closed Open Closed 512KB 1 & 2 2 & 3 2 & 3 1 & 2 Closed Open Closed 1MB 2 & 3 2 & 3 2 & 3 2 & 3 Closed Closed Closed Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP14 JP15 JP16 CX486S 2 & 3, 4 & 5 2 & 3 Open SL80486SX 1 & 2, 3 & 4 2 & 3 Open 80486SX Open 2 & 3 Open SL80486SX2 1 & 2, 3 & 4 2 & 3 Open 80486SX2 Open 2 & 3 Open CX486DX 2 & 3 1 & 2, 3 & 4 1 & 2 AM486DX Open 1 & 2, 3 & 4 1 & 2 U5S Open 2 & 3 3 & 4 SL80486DX 1 & 2, 3 & 4 1 & 2, 3 & 4 1 & 2 80486DX Open 1 & 2, 3 & 4 1 & 2 AM486DX2 Open 1 & 2, 3 & 4 1 & 2 CX486DX2 2 & 3 1 & 2, 3 & 4 1 & 2 SL80486DX2 1 & 2, 3 & 4 1 & 2, 3 & 4 1 & 2 80486DX2 Open 1 & 2, 3 & 4 1 & 2 80486DX2 (WB) 1 & 2, 3 & 4 1 & 2, 3 & 4 1 & 2 AM486DX4 Open 1 & 2, 3 & 4 1 & 2 80486DX4 1 & 2, 3 & 4 1 & 2, 3 & 4 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP17 JP18 JP19 CX486S 2 & 3, 4 & 5 1 & 2, 3 & 4, 1 & 2, 3 & 4, 5 & 6 5 & 6 SL80486SX 5 & 6 1 & 2 1 & 2 80486SX Open 2 & 3 Open SL80486SX2 5 & 6 1 & 2 1 & 2 80486SX2 Open 2 & 3 Open CX486DX 2 & 3, 4 & 5 1 & 2, 3 & 4, 1 & 2, 3 & 4 5 & 6 AM486DX Open 2 & 3 Open U5S 1 & 2 2 & 3 2 & 3 SL80486DX 5 & 6 1 & 2 1 & 2 80486DX Open 2 & 3 Open AM486DX2 Open 2 & 3 Open CX486DX2 2 & 3, 4 & 5 1 & 2, 3 & 4, 1 & 2, 3 & 4 5 & 6 SL80486DX2 5 & 6 1 & 2 1 & 2 80486DX2 Open 2 & 3 Open 80486DX2 (WB) 3 & 4, 5 & 6 1 & 2, 4 & 5 1 & 2, 4 & 5 AM486DX4 Open 2 & 3 Open 80486DX4 5 & 6 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP7 JP8 JP9 25MHz Closed Open Open 33MHz Closed Closed Closed 40MHz Closed Closed Open 50iMHz Closed Open Open 50MHz Open Open Closed 66iMHz Closed Closed Closed 75iMHz Closed Open Open 100iMHz Closed Closed Closed CPU SPEED CONFIGURATION (80486DX4 ONLY) Speed JP24 2x pins 2 & 3 closed 3x Open CPU SPEED CONFIGURATION (AM486DX4 ONLY) Speed JP400 2x Closed 3x Open VESA WAIT STATE CONFIGURATION Wait states JP26 0 wait states Open 1 wait state Closed BUS SPEED CONFIGURATION CPU speed JP25 <= 33MHz Open > 33MHz Closed