VITALCOM INTERNATIONAL, INC. 486 EISA Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 16/20/25/33/50(internal)/50/66(internal)MHz Chip Set SIS Max. Onboard DRAM64MB Cache 64/128/256/512/1024KB BIOS AMI/Award Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (3) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock JP15 Speaker JP19 Turbo LED JP16 Chassis fan power JP22 Turbo switch JP17 32-bit VESA Local S1, S2 & S3 bus slots Reset switch JP18 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP20 Open alter » Factory configured - do not JP21 pins 2 & 3 alter 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 4MB (1) 1M x 36 NONE NONE NONE 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 10MB (1) 256K x (1) 256K 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 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 18MB (1) 256K x (1) 256K x (1) 4M x 36 NONE 36 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG U16 (Dirty bit) 64KB (1) 8K x 8 (1) 8K x 8 (2) 16K x (1) 16K x 1 4 128KB (4) 32K x 8 NONE (2) 16K x (1) 16K x 1 4 256KB (4) 32K x 8 (4) 32K x 8 (2) 16K x (1) 16K x 1 4 512KB (4) 128K x NONE (2) 64K x (1) 64K x 1 8 4 1MB (4) 128K x (4) 128K x (2) 64K x (1) 64K x 1 8 8 4 CACHE JUMPER CONFIGURATION Size JP1 JP2 JP3 JP4 JP5 64KB 2 & 3 Closed 1 & 2 1 & 2 1 & 2 128KB 1,2,3,4 Open 2 & 3 1 & 2 1 & 2 256KB 2,3,4,5 Open 2 & 3 2 & 3 1 & 2 512KB 1,2,3,4,5,6 Open 2 & 3 2 & 3 2 & 3 1MB 2,3,4,5,6,7 Open 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CACHE JUMPER CONFIGURATION Size JP6 JP7 JP8 JP9 JP10 64KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 128KB 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 256KB 1 & 2 2 & 3 2 & 3 1 & 2 1 & 2 512KB 1 & 2 2 & 3 2 & 3 2 & 3 1 & 2 1MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION CPU Type JP11 JP12 JP13 486SX Open pins 2 & 3 Open closed 487SX pins 2 & 3 pins 1 & 2 Closed closed closed 486DX pins 1 & 2 pins 1 & 2 Closed closed closed 486DX2 pins 1 & 2 pins 1 & 2 Closed closed closed Pentium Overdrive pins 2 & 3 pins 1 & 2 Closed closed closed CPU SPEED CONFIGURATION CPU speed SW/1 SW/2 SW/3 16MHz Off On Off 20MHz Off Off On 25MHz On Off On 33MHz On On On 50iMHz Off On Off 66iMHz On On On