CSS LABORATORIES, INC. PREFERRED 486 MGE/VL Processor 80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/50/66(internal)MHz Chip Set SIS Max. Onboard DRAM256MB (128MB on CPU module) Cache 512KB (on CPU module) BIOS AMI Dimensions 330mm x 218mm I/O Options CPU module slot, 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Speaker J4 Reset/Turbo switch J41 Power LED & keylock J5 32-bit VESA Local bus SL1 & SL2 slots Equipment panel J39 CPU module slot SL3 connector IDE interface LED J40 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select monochrome JP9 Closed Monitor type select color JP9 Open » Factory configured - do not JP30 Open alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (4) 1M x 9 NONE NONE NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 24MB (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 NONE 28MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 28MB (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 36MB (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 40MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 40MB (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 52MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 52MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 64MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE NONE NONE 128MB (4) 16M x 9 (4) 16M x 9 NONE NONE 196MB (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 NONE 256MB (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 Note: Banks 2 & 3 are located on the CPU module board. CPU SPEED CONFIGURATION Speed JP1 JP6 JP7 25MHz pins 1 & 2 Open Open closed 33MHz pins 1 & 2 Open Closed closed 50iMHz pins 1 & 2 Closed Closed closed 66iMHz pins 1 & 2 Open Closed closed VESA BUS SPEED CONFIGURATION CPU speed JPV3 <=33MHz Open > 33MHz Closed VESA WAIT STATE CONFIGURATION Wait states JPV1 JPV2 0 wait states Open Open 1 wait state Closed Closed EQUIPMENT PANEL CONFIGURATION Description J39 Ground pin 1 Power pin 2 Hard drive LED pin 3 Not used pin 4 Power pin 5 Ground pin 6 Turbo LED pin 7 Keyboard inhibit pin 8 Power pin 9 Reset button pin 10