VISION TECHNOLOGIES SIS 486-471 VL BUS, VLT MB Processor CX486S/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/AM486DXL/ SL80486DX/CX486DX2/AM486DX2/AM486DXL2/80486DX2/SL80486DX2/ 80486DX4 Processor 20/25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set SIS Max. 128MB Onboard DRAM Cache 64/128/256/512/1024KB BIOS Award Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Speaker J7 Green PC connector J2 Power LED & keylock J8 (VGA) Reset switch J4 Green PC connector JP29 Turbo LED J5 32-bit VESA local SL1 - SL3 bus slots Turbo switch J6 pins 2 & 3 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not alter JP20 N/A Factory configured - do not alter JP21 N/A » Factory configured - do not alter JP30 Open » Factory configured - do not alter JP35 N/A » CMOS memory normal operation JP38 pins 1 & 2 closed CMOS memory clear JP38 pins 2 & 3 closed » Monitor type select JP39 Open monochrome/EGA/VGA Monitor type select CGA JP39 Closed » RC pin for break switch enabled JP40 pins 1 & 2 closed RC pin used for RC JP40 pins 2 & 3 closed DRAM CONFIGURATION 1 Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (1) 256K x 36 4MB (4) 1M x 9 NONE 8MB (4) 1M x 9 (1) 1M x 36 16MB (4) 4M x 9 NONE 20MB (4) 1M x 9 (1) 4M x 36 32MB (4) 4M x 9 (1) 4M x 36 64MB (4) 8M x 9 (1) 8M x 36 128MB (4) 16M x 9 (1) 16M x 36 DRAM CONFIGURATION 2 Size Bank 0 Bank 1 Bank 2 1MB (4) 256K x 9 NONE NONE 2MB (4) 256K x 9 (1) 256K x 36 NONE 4MB (4) 1M x 9 NONE NONE 5MB (4) 256K x 9 (1) 1M x 36 NONE 6MB (4) 256K x 9 (1) 256K x 36 (1) 1M x 36 8MB (4) 1M x 9 (1) 1M x 36 NONE 12MB (4) 1M x 9 (1) 1M x 36 (1) 1M x 36 16MB (4) 4M x 9 NONE NONE 17MB (4) 256K x 9 (1) 4M x 36 NONE 18MB (4) 256K x 9 (1) 256K x 36 (1) 4M x 36 20MB (4) 1M x 9 (1) 4M x 36 NONE 24MB (4) 1M x 9 (1) 1M x 36 (1) 4M x 36 32MB (4) 4M x 9 (1) 4M x 36 NONE 34MB (4) 256K x 9 (1) 256K x 36 (1) 8M x 36 36MB (4) 1M x 9 (1) 4M x 36 (1) 4M x 36 40MB (4) 1M x 9 (1) 1M x 36 (1) 8M x 36 48MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 48MB (4) 4M x 9 (1) 8M x 36 NONE 64MB (4) 4M x 9 (1) 4M x 36 (1) 8M x 36 DRAM CONFIGURATION 2 (CON’T) Size Bank 0 Bank 1 Bank 2 64MB (4) 16M x 9 NONE NONE 68MB (4) 1M x 9 (1) 8M x 36 (1) 8M x 36 80MB (4) 4M x 9 (1) 8M x 36 (1) 8M x 36 96MB (4) 16M x 9 (1) 8M x 36 NONE 128MB (4) 16M x 9 (1) 8M x 36 (1) 8M x 36 DRAM CONFIGURATION 3 Size Bank 0 Bank 1 Bank 2 1MB NONE (1) 256K x 36 NONE 2MB NONE (1) 256K x 36 (1) 256K x 36 4MB NONE (1) 1M x 36 NONE 5MB NONE (1) 256K x 36 (1) 1M x 36 6MB (4) 1M x 9 (1) 256K x 36 (1) 256K x 36 8MB NONE (1) 1M x 36 (1) 1M x 36 8MB NONE (1) 2M x 36 NONE 12MB (4) 1M x 9 (1) 1M x 36 (1) 1M x 36 16MB (4) 4M x 9 NONE NONE 16MB NONE (1) 4M x 36 NONE 17MB NONE (1) 256K x 36 (1) 4M x 36 18MB (4) 4M x 9 (1) 256K x 36 (1) 256K x 36 20MB NONE (1) 1M x 36 (1) 4M x 36 24MB (4) 4M x 9 (1) 1M x 36 (1) 1M x 36 32MB NONE (1) 4M x 36 (1) 4M x 36 32MB NONE (1) 8M x 36 NONE 36MB (4) 4M x 9 (1) 1M x 36 (1) 4M x 36 36MB NONE (1) 1M x 36 (1) 8M x 36 48MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 48MB NONE (1) 4M x 36 (1) 8M x 36 64MB (4) 16M x 9 NONE NONE 72MB (4) 16M x 9 (1) 1M x 36 (1) 1M x 36 96MB (4) 16M x 9 (1) 4M x 36 (1) 4M x 36 128MB (4) 16M x 9 (1) 8M x 36 (1) 8M x 36 DRAM JUMPER CONFIGURATION Configuration JP36 JP37 1 pins 1 & 2 closed Open 2 pins 1 & 2 closed pins 2 & 3 closed 3 pins 2 & 3 closed pins 1 & 2 closed CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K or (1) 16K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 16K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 512KB (8) 64K x 8 NONE (1) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 128K x 8 Note: The location of the TAG is unidentified. CACHE JUMPER CONFIGURATION Size JP1 JP2 JP3 JP25 JP26 JP27 JP28 64KB 1 & 2 2 & 3 2 & 1 & 2 1 & 2 1 & 2 Open 3, 4 & 5 128KB 2 & 3 1 & 2 1 & 2 & 3 1 & 2 1 & 2 Open 2, 3 & 4 256KB 2 & 3 2 & 3 2 & 2 & 3 Open Open Closed 3, 4 & 5 256KB 2 & 3 2 & 3 2 & 2 & 3 2 & 3 1 & 2 Open 3, 4 & 5 512KB 2 & 3 1 & 2 1 & 2 & 3 2 & 3 2 & 3 Open 2, 3 & 4 1MB 2 & 3 2 & 3 2 & 2 & 3 2 & 3 2 & 3 Open 3, 4 & 5 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP4 JP5 JP6 JP7 JP8 CX486SX Open Open Open 2 & 3 2 & 3 80486SX Open Open Open 3 & 4 Open SL80486SX Open Open Open 1 & 2, 3 Open & 4 CX486DX Open Open Open 1 & 2, 3 2 & 3 & 4 80486DX Open Open Open 1 & 2, 3 Open & 4 SL80486DX Open Open Open 1 & 2, 3 Open & 4 CX486DX2-66 Open Open Open 1 & 2, 3 2 & 3 & 4 CX486DX2-80 Open Open Open 1 & 2, 3 2 & 3 & 4 AM486DX2 Open Open Open 1 & 2, 3 Open & 4 AM486DXL2 Open Open Open 1 & 2, 3 Open & 4 80486DX2 Open Open Open 1 & 2, 3 Open & 4 SL80486DX2 Open Open Open 1 & 2, 3 Open & 4 80486DX4 Open Open Open 1 & 2, 3 Open & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP9 JP10 JP11 JP12 JP13 CX486SX 2 & 3 1 & 2 2 & 3 Open 1 & 2, 3 & 4 80486SX 2 & 3 1 & 2 Open Open Open SL80486SX 2 & 3 1 & 2 Open Open 2 & 3 CX486DX 2 & 3 1 & 2 2 & 3 3 & 4 1 & 2, 3 & 4 80486DX 2 & 3 1 & 2 Open 3 & 4 Open SL80486DX 2 & 3 1 & 2 Open 3 & 4 2 & 3 CX486DX2-66 2 & 3 1 & 2 2 & 3 3 & 4 1 & 2, 3 & 4 CX486DX2-80 2 & 3 1 & 2 2 & 3 3 & 4 1 & 2, 3 & 4 AM486DX2 2 & 3 1 & 2 Open 3 & 4 Open AM486DXL2 2 & 3 2 & 3 3 & 4 1 & 2, 3 Open & 4 80486DX2 2 & 3 1 & 2 Open 3 & 4 Open SL80486DX2 2 & 3 1 & 2 Open 3 & 4 2 & 3 80486DX4 2 & 3 1 & 2 Open 3 & 4 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP14 JP15 JP16 JP17 JP18 JP19 CX486SX 2 & 3, Open Open 2 & 3 Closed 2 & 3 4 & 5 80486SX Open Open Open Open Closed 2 & 3 SL80486SX 3 & 4 Open 1 & 2 4 & 5 Closed 2 & 3 CX486DX 2 & 3, Open Open 2 & 3 Closed 2 & 3 4 & 5 80486DX Open Open Open Open Closed 2 & 3 SL80486DX 3 & 4 Open 1 & 2 4 & 5 Closed 2 & 3 CX486DX2-66 2 & 3, Open Open 2 & 3 Closed 2 & 3 4 & 5 CX486DX2-80 2 & 3 Open Open 2 & 3 Closed 2 & 3 AM486DX2 Open Open Open Open Closed 2 & 3 AM486DXL2 Open Open Open Open Closed 2 & 3 80486DX2 Open Open Open Open Closed 2 & 3 SL80486DX2 3 & 4 Open 1 & 2 4 & 5 Closed 2 & 3 80486DX4 3 & 4 Open 1 & 2 4 & 5 Open 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP33 JP34 JP41 JP42 JP43 CX486SX 1 & 2 2 & 3 3 & 4, 5 Open Open & 6 80486SX 2 & 3 1 & 2 3 & 4, 5 Open Open & 6 SL80486SX 2 & 3 1 & 2 3 & 4, 5 Open Open & 6 CX486DX 1 & 2 2 & 3 3 & 4, 5 Open Open & 6 80486DX 2 & 3 1 & 2 3 & 4, 5 Open Open & 6 SL80486DX 2 & 3 1 & 2 3 & 4, 5 Open Open & 6 CX486DX2-66 1 & 2 2 & 3 1 & 2, 3 Closed Open & 4 CX486DX2-80 1 & 2 2 & 3 1 & 2, 3 Closed Open & 4 AM486DX2 2 & 3 1 & 2 1 & 2, 3 Open Closed & 4 AM486DXL2 1 & 2 2 & 3 3 & 4, 5 Open Open & 6 80486DX2 2 & 3 1 & 2 3 & 4, 5 Open Open & 6 SL80486DX2 2 & 3 1 & 2 3 & 4, 5 Open Open & 6 80486DX4 2 & 3 1 & 2 1 & 2, 3 Closed Open & 4 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION (AV9107) Speed JP22 JP23 JP24 20MHz Closed Open Closed 25MHz Closed Closed Open 33MHz Open Closed Closed 40MHz Closed Open Open 50iMHz Closed Closed Open 50MHz Open Open Closed 66iMHz Open Closed Closed 75iMHz Closed Closed Open 100iMHz Open Closed Closed CPU SPEED CONFIGURATION (MX8315) Speed JP22 JP23 JP24 20MHz Open Open Open 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 100iMHz Closed Closed Closed VESA WAIT STATE CONFIGURATION Wait states JP31 0 wait states pins 1 & 2 closed 1 wait state pins 2 & 3 closed BUS SPEED CONFIGURATION CPU speed JP32 <= 33MHz pins 1 & 2 closed > 33MHz pins 2 & 3 closed