DELL COMPUTER CORPORATION
SYSTEM V386SX/XX REVISION 1
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/25MHz  | 
| 
 Chip Set  | 
 VLSI  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 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  | 
| 
 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  | |
| 
 »  | 
 Diskette drive generation of disk change disabled  | 
 JP5  | 
 pins 1 & 2 closed  | 
| 
 Diskette drive generation of disk change enabled  | 
 JP5  | 
 pins 2 & 3 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  | |
| 
 Old style Multisync monitor enabled  | 
 SW1/1  | 
 On  | |
| 
 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 enabled  | 
 SW1/5  | 
 On  | |
| 
 1024 x 768 non interlaced enabled  | 
 SW1/5  | 
 Off  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 8MB  | 
 (2) 4M x 9  | 
 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  |