COMPUADD, INC. 486 ISA HP SX/DX Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 16/20/25/33/66(internal)MHz Chip Set OPTI Max. Onboard DRAM 64MB Cache 64/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive interface J6 IDE interface LED J25 IDE interface J7 Reset switch J26 External battery J18 Power LED & keylock J27 Chassis fan power J24 Speaker J28 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J5 Open CMOS memory clear J5 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (4) 1MB x 9 NONE NONE NONE 8MB (4) 1MB x 9 (4) 1MB x 9 NONE NONE 12MB (4) 1MB x 9 (4) 1MB x 9 (4) 1MB x 9 (4) 1MB x 9 20MB (4) 1MB x 9 (4) 4MB x 9 NONE NONE 20MB (4) 4MB x 9 (4) 1MB x 9 NONE NONE 24MB (4) 1MB x 9 (4) 1MB x 9 (4) 4MB x 9 NONE 24MB (4) 1MB x 9 (4) 4MB x 9 (4) 1MB x 9 NONE 24MB (4) 4MB x 9 (4) 1MB x 9 (4) 1MB x 9 NONE 28MB (4) 1MB x 9 (4) 1MB x 9 (4) 1MB x 9 (4) 4MB x 9 28MB (4) 4MB x 9 (4) 1MB x 9 (4) 1MB x 9 (4) 1MB x 9 28MB (4) 4MB x 9 (4) 1MB x 9 (4) 1MB x 9 (4) 1MB x 9 32MB (4) 4MB x 9 (4) 4MB x 9 NONE NONE 36MB (4) 4MB x 9 (4) 1MB x 9 (4) 4MB x 9 NONE 36MB (4) 1MB x 9 (4) 4MB x 9 (4) 4MB x 9 NONE 36MB (4) 4MB x 9 (4) 4MB x 9 (4) 1MB x 9 NONE 40MB (4) 1MB x 9 (4) 1MB x 9 (4) 4MB x 9 (4) 4MB x 9 40MB (4) 1MB x 9 (4) 4MB x 9 (4) 4MB x 9 (4) 1MB x 9 40MB (4) 4MB x 9 (4) 1MB x 9 (4) 4MB x 9 (4) 1MB x 9 40MB (4) 4MB x 9 (4) 4MB x 9 (4) 1MB x 9 (4) 1MB x 9 48MB (4) 4MB x 9 (4) 4MB x 9 (4) 4MB x 9 NONE 52MB (4) 1MB x 9 (4) 4MB x 9 (4) 4MB x 9 (4) 4MB x 9 52MB (4) 4MB x 9 (4) 1MB x 9 (4) 4MB x 9 (4) 4MB x 9 52MB (4) 4MB x 9 (4) 4MB x 9 (4) 4MB x 9 (4) 1MB x 9 64MB (4) 4MB x 9 (4) 4MB x 9 (4) 4MB x 9 (4) 4MB x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J19 J20 J21 J22 J23 0KB Open Open Open Closed Closed 64KB Open Open Open Open Open 256KB Closed Closed Closed Open Open Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type J30 J31 J32 J33 80486SX Open Closed Open Open 80486DX Closed Open Closed Closed