DELL COMPUTER CORPORATION SYSTEM V386SX/XX REV. 2 Processor 80386SX Processor Speed 16/25MHz Chip Set VLSI Max. Onboard DRAM 16MB Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface,video interface, parallel port, PS/2 mouse port, serial ports (2), Video interface NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location IDE interface LED J1 Parallel port CN3 Reset switch J2 Floppy drive interface CN4 Speaker J3 IDE interface CN5 Power LED & keylock J4 Video interface CN6 Serial port 1 CN1 Mouse interface CN7 Serial port 2 CN2 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » VGA IRQ generation disabled JP1 pins 1 & 2 closed VGA IRQ generation enabled JP1 pins 2 & 3 closed » On board VGA enabled JP2 pins 2 & 3 closed On board VGA disabled JP2 pins 1 & 2 closed » Single IDE drive enabled JP3 pins 1 & 2 closed Dual IDE drive enabled JP3 pins 2 & 3 closed » Pipeline mode enabled JP4 pins 2 & 3 closed Pipeline mode disabled JP4 pins 1 & 2 closed » Monitor type select color JP6 pins 1 & 2 closed Monitor type select JP6 pins 2 & 3 monochrome closed CMOS memory normal operation JP7 pins 2 & 3 closed » CMOS memory clear JP7 pins 1 & 2 closed Old style Multisync monitor SW1/1 On enabled All other monitors enabled SW1/1 Off PS/2 style VGA installed SW1/2 On AT style VGA installed SW1/2 Off 1024 x 768 interlaced SW1/5 On enabled 1024 x 768 non interlaced SW1/5 Off enabled DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 36 NONE 2MB (1) 256K x 36 (1) 256K x 36 4MB (1) 1M x 36 NONE 5MB (1) 1M x 36 (1) 256K x 36 8MB (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE VRAM CONFIGURATION Size Bank 0 Bank 1 256KB (2) 256K x 4 NONE 512KB (2) 256K x 4 (2) 256K x 4 Note:Bank 0 is factory installed and is not configurable. VIDEO REFRESH RATES (800 X 600) Refresh rate Colors SW1/3 SW1/4 56Hz 16 On On 56Hz 256 On Off 56Hz 256 On On 60Hz 16 Off On 60Hz 256 Off On 60Hz 256 Off Off 72Hz 16 Off Off 72Hz 16 On Off