DELL COMPUTER CORPORATION Precision 386DX/33 Processor 80386DX Processor Speed 33MHz Chip Set VLSI Max. Onboard DRAM 32MB Cache 16KB (chipset internal) BIOS AMI Dimensions 330mm x 218mm I/O Options Bus mouse port, floppy interface, IDE interface, parallel port, serial ports (2), VGA port NPU Options 80387 [Image] CONNECTIONS Purpose Location Purpose Location Internal battery holder BAT Reset switch P11 Serial port 1 COM1 Speaker P12 Serial port 2 COM2 Power LED & keylock P13 Floppy drive interface FDD Turbo LED P14 IDE interface IDE IDE interface LED P15 Parallel port LPT VGA port VGA Bus mouse MSE USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » VGA interrupt request select JP1 pins 1 & 2 none closed VGA interrupt request select JP1 pins 2 & 3 IRQ9 closed » VGA port enabled JP2 pins 1 & 2 closed VGA port disabled JP2 pins 2 & 3 closed » IDE drives installed select JP3 pins 1 & 2 one closed IDE drives installed select JP3 pins 2 & 3 two 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 » Power good signal detect from JP10 pins 1 & 2 power supply closed Power good signal detect from JP10 pins 2 & 3 board closed » Monitor type select standard SW1/1 Off VGA Monitor type select NEC SW1/1 On MultiSync I (only) » Monitor type select PS/2 style SW1/2 On VGA Monitor type select AT style SW1/2 Off VGA » Monitor type select 1024 x 768 SW1/5 On interlaced Monitor type select 1024 x 768 SW1/5 Off non-interlaced 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 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) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 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 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 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 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 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 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 VGA REFRESH CONFIGURATION Refresh rate SW1/3 SW1/4 » 800 x 600 x 16 at 56Hz or 800 x On On 600 x 256 at 56Hz 800 x 600 x 16 at 72Hz or 800 x On Off 600 x 256 at 56Hz 800 x 600 x 16 at 60Hz or 800 x Off On 600 x 256 at 60Hz 800 x 600 x 16 at 72Hz or 800 x Off Off 600 x 256 at 60Hz VRAM CONFIGURATION Size Bank 0 256KB NONE 512KB (2) 44256 ZIPPs