SHUTTLE COMPUTER INTERNATIONAL, INC. HOT 409 486 VLB Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/50/66(internal)MHz Chip Set OPTI Max. onboard DRAM 32MB Cache 64/128/256KB BIOS AMI Dimensions 260mm x 220mm I/O Options 32-bit VESA slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Turbo switch JP28 Power LED & keylock J5 32-bit VESA slots (2) S1 & S2 Speaker J6 Reset switch SW1 Turbo LED JP24 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery select internal J1 pins 1 & 2 closed Battery select external J1 pins 2 & 3 closed » Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 CPU JUMPER CONFIGURATION/CLOCK GENERATOR IN U45 CPU Type JP10 JP11 JP12 JP16 JP23 80486SX-25 Open Open pins 2 & pins 2 Closed 3 & 3 80486SX-33 Closed Open pins 2 & pins 2 Open 3 & 3 80487SX-25 Open pins 2 & pins 1 & pins 2 Closed 3 2, 3 & 4 & 3 80486DX-25 Open pins 1 & pins 1 & pins 2 Closed 2 2. 3 & 4 & 3 80486DX-33 Closed pins 1 & pins 1 & pins 2 Open 2 2, 3 & 4 & 3 80486DX-50 Open pins 1 & pins 1 & pins 1 Closed 2 2, 3 & 4 & 2 80486DX2-50 Open pins 1 & pins 1 & pins 2 Closed 2 2, 3 & 4 & 3 80486DX2-66 Closed pins 1 & pins 1 & pins 2 Open 2 2, 3 & 4 & 3 Note:Pins designated should be in the closed position. CPU JUMPER CONFIGURATION/OSCILLATOR IN U45 CPU Type JP11 JP12 JP16 80486SX-25 Open pins 2 & 3 pins 2 & 3 80486SX-33 Open pins 2 & 3 pins 2 & 3 80487SX-25 pins 2 & 3 pins 1 & 2, 3 & pins 2 & 3 4 80486DX-25 pins 1 & 2 pins 1 & 2. 3 & pins 2 & 3 4 80486DX-33 pins 1 & 2 pins 1 & 2, 3 & pins 2 & 3 4 80486DX-50 pins 1 & 2 pins 1 & 2, 3 & pins 1 & 2 4 80486DX2-50 pins 1 & 2 pins 1 & 2, 3 & pins 2 & 3 4 80486DX2-66 pins 1 & 2 pins 1 & 2, 3 & pins 2 & 3 4 Note:Pins designated should be in the closed position. CACHE CONFIGURATION Size Cache Location TAG 64KB (8) 8K x 8 Banks 0 & 1 (1) 8K x 8 128KB (4) 32K x 8 Bank 0 (1) 8K x 8 256KB (8) 32K x 8 Banks 0 & 1 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP7 JP9 JP15 JP22 64KB pins 2 & 3 Open Open Open closed 128KB pins 1 & 2 Closed Closed Open closed 256KB pins 2 & 3 Closed Closed Closed closed VESA BUS SPEED AND WAIT STATE CONFIGURATION CPU speed Wait states J20 J21 £ 33MHz 0 wait states Closed Closed > 33MHz 1 wait state Open Open