DELL COMPUTER CORPORATION V486DX/XX, XXS REV. 2 Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)MHz Chip Set OPTI Max. Onboard DRAM 64MB Cache 64/256KB BIOS AMI Dimensions 330mm x 218mm NPU options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Serial port 1 J10 Unidentified J2 Turbo LED J23 Unidentified J3 Reset switch J24 IDE interface J5 Power LED & keylock J25 Floppy drive interface J6 Speaker J26 Parallel port J8 VGA interface J27 Serial port 2 J9 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color W1 pins 1 & 2 closed Monitor type select monochrome W1 pins 2 & 3 closed » CMOS memory normal operation W2 pins 1 & 2 closed CMOS memory clear W2 pins 2 & 3 closed » Factory configured - do not W3 pins 2 & 3 alter closed » Onboard VGA enabled W10 pins 1 & 2 closed Onboard VGA disabled W10 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 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) 4M x 36 NONE NONE NONE 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 64KB (8) 16K x 4 256KB (8) 32K x 8 CACHE JUMPER CONFIGURATION Size W4 W5 W9 0KB Open Open Open 64KB pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 256KB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed CPU FREQUENCY SELECT CPU type W6 W7 W8 80486SX pins 2 & 3 pins 2 & 3 Open closed closed 80487SX pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 80486DX2 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed VIDEO RAM CONFIGURATION Size Bank 0 Bank 1 512KB (4) 256KB x 4 NONE 1MB (4) 256KB x 4 (4) 256KB x 4 Note:Bank 0 is factory installed and is not configurable. VIDEO RAM JUMPER CONFIGURATION Size SW1/6 512KB On 1MB Off MONITOR REFRESH RATE (800 X 600) Rate SW1/1 SW1/2 56Hz Off Off 60Hz Off On 72Hz On Off 56Hz On On MONITOR REFRESH RATE (1024 X 768) Rate SW1/3 SW1/4 Interlaced Off Off 60Hz (noninterlaced) Off On 70Hz (noninterlaced) On Off 72Hz (noninterlaced) On On STANDARD VGA MODES Mode SW1/5 40Hz horizontal, 75/80Hz vertical On 31.5Hz horizontal, 60/70Hz vertical Off