DELL COMPUTER CORPORATION DIMENSION 386SX/25 Processor 80386SX Processor Speed 25MHz Chip Set VLSI Topcat Max. Onboard DRAM 16MB SRAM Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface, Bus mouse port parallel port, serial port (2), VGA port NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Serial port (COM A) P3 VGA port P10 Parallel port P4 Reset switch P11 Floppy drive interface P5 Speaker P12 IDE interface P6 Power LED & keylock P13 Serial port (COM B) P7 Turbo LED P14 Bus mouse P9 IDE interface LED P15 USER CONFIGURABLE SETTINGS Function Jumper Position » VGA port enabled JP1 pins 2 & 3 closed JP2 pins 1 & 2 closed VGA port disabled JP1 pins 1 & 2 closed JP2 pins 2 & 3 closed » Single IDE drive installed JP3 pins 1 & 2 closed Dual IDE drive installed JP3 pins 2 & 3 closed » Pipeline mode enabled JP4 pins 2 & 3 closed Pipeline mode disabled JP4 pins 1 & 2 closed » Floppy drive disk change signal JP5 pins 1 & 2 disabled closed Floppy drive disk change signal JP5 pins 2 & 3 enabled closed » Monitor type select color JP6 pins 1 & 2 closed Monitor type select monochrome JP6 pins 2 & 3 closed » CMOS memory normal operation JP7 pins 2 & 3 closed CMOS memory clear JP7 pins 1 & 2 closed » Monitor type select SW1/switch 1 open Non-MultiSync I Monitor type select MultiSync I SW1/switch 1 closed » VGA style select PS/2 SW1/switch 2 closed VGA style select AT SW1/switch 2 open » Select 1024 x 768 interlaced SW1/switch 5 open Select 1024 x 768 non-interlaced SW1/switch 5 closed REFRESH RATE CONFIGURATION Mode 800 x 600 SW1/switch 3 SW1/switch 4 16 colors @ 72Hz/256 colors @ 60Hz open open 16 colors @ 60Hz/256 colors @ 60Hz open closed 16 colors @ 72Hz/256 colors @ 56Hz closed open 16 colors @ 56Hz/256 colors @ 56 Hz closed closed DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (2) 256K x 9 (2) 256K x 9 2MB (2) 1M x 9 NONE 4MB (2) 1M x 9 (2) 1M x 9 8MB (2) 4M x 9 NONE 10MB (2) 4M x 9 (2) 1M x 9 16MB (2) 4M x 9 (2) 4M x 9