CSS LABORATORIES, INC. PREFERRED 462 PCI/VL ESP, MB-4862 Processor 80486SX/80487SX/CX486M7/80486DX/80486DX2/80486DX4/ Pentium Overdrive Processor 8/16/25/33/40/50(internal)/50/66(internal)100(internal)MHz Speed Chip Set OPTI Max. 128MB Onboard DRAM Cache 64/128/256KB BIOS Award Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots (3) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock JP17 Turbo switch JP48 pins 3 & 4 IDE interface LED JP45 External battery JP49 Speaker JP46 32-bit PCI slots PC1 - PC3 Front panel JP47 32-bit VESA local SL1 & SL2 connector bus slots Reset switch JP48 pins 1 & 2 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not alter J10 N/A » Factory configured - do not alter JP7 N/A » Local bus type select synchronous JP9 pins 1 & 2 closed Local bus type select JP9 pins 2 & 3 asynchronous closed PCI bus type select synchronous JP11 pins 2 & 3 closed PCI bus type select asynchronous JP11 pins 1 & 2 closed » Factory configured - do not alter JP12 N/A » Factory configured - do not alter JP13 N/A » Factory configured - do not alter JP19 N/A » Factory configured - do not alter JP20 N/A » Factory configured - do not alter JP23 N/A » Factory configured - do not alter JP26 N/A » Factory configured - do not alter JP27 N/A » Factory configured - do not alter JP40 N/A » Factory configured - do not alter JP90 N/A » Factory configured - do not alter JP1106 N/A » Factory configured - do not alter JP1108 N/A » Factory configured - do not alter JP1109 N/A » Factory configured - do not alter JP1111 N/A 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 2MB (1) 512K x NONE NONE NONE 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 6MB (1) 512K x (1) 512K x (1) 512K x NONE 36 36 36 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 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) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 4M x 36 NONE NONE NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE DRAM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 64MB (1) 16M x NONE NONE NONE 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 16M x (1) 16M x NONE NONE 36 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 or (1) 32K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 Note: The orientation of Bank 0 & 1 is unidentified. CACHE JUMPER CONFIGURATION Size jp24 jp29 JP32 JP33 64KB Open Open pins 2 & 3 pins 2 & 3 closed closed 128KB Open Closed pins 1 & 2 pins 1 & 2 closed closed 256KB Closed Closed pins 2 & 3 pins 2 & 3 closed closed CPU TYPE CONFIGURATION Type JP17 JP28 JP34 JP37 JP38 JP39 80486SX N/A Open Open N/A N/A 1 & 2 80487SX N/A Open 1 & 2 2 & 3 1 & 2 1 & 2 CX486M7 N/A Closed 2 & 3 N/A 2 & 3 2 & 3 80486DX Closed Open 2 & 3 2 & 3 1 & 2 1 & 2 80486DX2 Closed Open 2 & 3 2 & 3 1 & 2 1 & 2 80486DX4 Closed Open 2 & 3 2 & 3 1 & 2 2 & 3 P24T N/A Open N/A N/A N/A 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON'T) Type JP41 JP43 JP44 JP1101 JP1102 80486SX N/A N/A 2 & 3 Closed Closed 80487SX N/A N/A 1 & 2, Closed Closed 3 & 4 CX486M7 N/A 2 & 4 N/A Open Open 80486DX Closed N/A 1 & 2, Closed Closed 3 & 4 80486DX2 Closed N/A 1 & 2, Closed Closed 3 & 4 80486DX4 Closed N/A 1 & 2, Open Open 3 & 4 P24T N/A N/A N/A Closed Closed Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP35 8MHz Open 16MHz pins 3 & 4 closed 25MHz pins 1 & 2 closed 33MHz pins 1 & 2, 5 & 6 closed 40MHz pins 1 & 2, 3 & 4 closed 50iMHz pins 1 & 2 closed 50MHz pins 1 & 2, 3 & 4, 5 & 6 closed 66iMHz pins 1 & 2, 5 & 6 closed 100iMHz pins 1 & 2, 5 & 6 closed CPU SPEED CONFIGURATION (CYRIX ONLY) Setting JP1110 Internal clock doubled Closed Internal clock standard Open VL BUS WAIT STATE CONFIGURATION Wait states JP21 0 wait states Open 1 wait state Closed VL BUS SPEED CONFIGURATION CPU speed JP22 JP31 <= 33MHz Open pins 1 & 2 closed > 33MHz pins 1 & 2 closed Open FLASH BIOS CONFIGURATION Setting JP16 JP1107 » Disabled pins 2 & 3 closed pins 1 & 2 closed » Enabled pins 1 & 2 closed pins 2 & 3 closed