SHUTTLE COMPUTER INTERNATIONAL, INC. HOT-419 (VER.1.0) Processor CX486S/SL80486SX/80486SX/80487SX/CX486S2/CX486DX/AM80486DX/ SL80486DX/80486DX/CX486DX2/80486DX2/80486DX4/P24D/ Pentium Overdrive Processor 20/25/33/40/50(internal)/50/66(internal)/75(inlternal)/100(internal)MHz Speed Chip Set OPTI Max. 128MB Onboard DRAM Cache 64/128/256/512KB BIOS AMI Dimensions 260mm 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 Green PC connector JP63 Power LED & keylock JP2 Green PC connector JP68 Turbo LED JP16 Reset switch S1 Turbo switch JP17 32-bit VESA local bus SL1 - SL3 slots Speaker JP18 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP30 Closed Monitor type select monochrome JP30 Open » ADS signal delay disabled JP36 pins 2 & 3 closed ADS signal delay enabled JP36 pins 1 & 2 closed » CPU cache type select write back JP58 Closed (P24T) CPU cache type select write JP58 Open through (P24T) » CPU cache type select write back JP59 Closed (P24D) CPU cache type select write JP59 Open through (P24D) » Clock ratio select 2x JP65 Closed Clock ratio select 3x JP65 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 256K x (1) 256K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 5MB (1) 256K x (1) 1M x 36 NONE NONE 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 NONE (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 20MB (1) 1M x 36 NONE (1) 4M x 36 NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 64MB (1) 16M x 36 NONE NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE 128MB (1) 16M x 36 NONE (1) 16M x 36 NONE 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) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 512KB (4) 128K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP10 JP11 JP13 JP50 JP67 64KB Open Open 2 & 3 Open Closed 128KB Open Closed 1 & 2 Open Open 256KB Closed Closed 2 & 3 Open Closed 512KB Closed Closed 1 & 2 Closed Open Note: Pins designated should be in closed position. CPU TYPE CONFIGURATION Type JP3 JP5 JP8 JP42 JP43 JP44 CX486S Open Open 2 & 3 2 & 3 1 & 2 Open SL80486SX Open Open 2 & 3 1 & 2 1 & 2 Closed 80486SX 1 & 2 2 & 3 1 & 2 Open 1 & 2 Open 80487SX 1 & 2 2 & 3 1 & 2 Open 1 & 2 Open CX486S2 Open Open 2 & 3 2 & 3 2 & 3 Open CX486DX 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 Open AM80486DX 1 & 2 2 & 3 1 & 2 Open 1 & 2 Open SL80486DX 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 Closed 80486DX 1 & 2 2 & 3 1 & 2 Open 1 & 2 Open CX486DX2 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 Open 80486DX2 1 & 2 2 & 3 1 & 2 Open 1 & 2 Open 80486DX4 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 Closed P24D 2 & 3 2 & 3 1 & 2 Open 1 & 2 Open P24T 2 & 3 2 & 3 1 & 2 Open 1 & 2 Open Note: Pins designated should be in closed position. CPU TYPE CONFIGURATION (CON’T) Type JP45 JP46 JP47 JP48 JP49 CX486S Open Open Closed Closed 1 & 2 SL80486SX Closed Closed Open Open 1 & 2 80486SX Open Open Open Open 1 & 2 80487SX Open Open Open Open 1 & 2 CX486S2 Open Open Closed Closed 2 & 3 CX486DX Open Open Closed Closed 1 & 2 AM80486DX Open Open Open Open 1 & 2 SL80486DX Closed Closed Open Open 1 & 2 80486DX Open Open Open Open 1 & 2 CX486DX2 Open Open Closed Closed 1 & 2 80486DX2 Open Open Open Open 1 & 2 80486DX4 Closed Closed Open Open 1 & 2 P24D Open Open Open Open 1 & 2 P24T Open Open Open Open 1 & 2 Note: Pins designated should be in closed position. CPU SPEED CONFIGURATION Speed JP21 JP22 JP23 20MHz pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 25MHz pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed 33MHz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 40MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 50iMHz pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed 50MHz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 66iMHz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 75iMHz Open pins 2 & 3 pins 2 & 3 closed closed 100iMHz pins 2 & 3 Open pins 2 & 3 closed closed 100iMHz pins 2 & 3 Open Open closed CPU VOLTAGE CONFIGURATION Voltage JP64 3.3v pins 3 & 5, 4 & 6 closed 5v pins 1 & 3, 2 & 4 closed VESA WAIT STATE CONFIGURATION Wait states JP33 0 wait states Open 1 wait state Closed BUS SPEED CONFIGURATION CPU speed JP34 <= 33MHz Open > 33MHz Closed