DELL COMPUTER CORPORATION
System 320SX
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 20MHz  | 
| 
 Chip Set  | 
 VLSI  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 Cache  | 
 None (32KB on optional cache card)  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 342mm x 185mm  | 
| 
 I/O Options  | 
 Bus mouse, cache card/shunt card slot, floppy interface, IDE interface, parallel port, riser card slot, serial ports (2), VGA port  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 16-bit riser card  | 
 EXP1  | 
 Floppy drive interface  | 
 JFLOP  | 
| 
 IDE interface LED  | 
 HD  | 
 IDE interface  | 
 JIDE  | 
| 
 External battery  | 
 JBAT  | 
 Parallel port  | 
 JLPT1  | 
| 
 Proprietary cache card/shunt card  | 
 JCACHE  | 
 Bus mouse port  | 
 JMOUSE  | 
| 
 Serial port 1  | 
 JCOM1  | 
 Front panel status LCD  | 
 JVIEW  | 
| 
 Serial port 2  | 
 JCOM2  | 
 VGA port  | 
 JVGA  | 
| 
 VGA pass-through  | 
 JFEAT  | 
 Reset switch  | 
 JP1/pins 25 & 26  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 JP1  | 
 Position  | |
| » | 
 Factory test disabled  | 
 pins 1 & 2  | 
 Open  | 
| 
 Factory test enabled  | 
 pins 1 & 2  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 pins 3 & 4  | 
 Closed  | 
| » | 
 Monitor type select color  | 
 pins 5 & 6  | 
 Closed  | 
| 
 Monitor type select monochrome  | 
 pins 5 & 6  | 
 Open  | |
| » | 
 Password check enabled  | 
 pins 7 & 8  | 
 Closed  | 
| 
 Password check disabled  | 
 pins 7 & 8  | 
 Open  | |
| » | 
 Late revision of IBM 5250 type network card installed  | 
 pins 9 & 10  | 
 Open  | 
| 
 Early revision of IBM 5250 type network card installed  | 
 pins 9 & 10  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 pins 11 & 12  | 
 Open  | 
| » | 
 Factory configured - do not alter  | 
 pins 13 & 14  | 
 Closed  | 
| » | 
 Monitor type select standard VGA  | 
 pins 15 & 16  | 
 Open  | 
| 
 Monitor type select multi-frequency VGA  | 
 pins 15 & 16  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 pins 17 & 18  | 
 Open  | 
| » | 
 IOCHRDY signal disabled to IDE drive(s)  | 
 pins 19 & 20 pins 21 & 22  | 
 Closed Open  | 
| 
 IOCHRDY signal enabled to IDE drive(s)  | 
 pins 19 & 20 pins 21 & 22  | 
 Open Closed  | |
| » | 
 VGA interface enabled  | 
 pins 23 & 24  | 
 Closed  | 
| 
 VGA interface disabled  | 
 pins 23 & 24  | 
 Open  | |
| » | 
 Factory configured - do not alter  | 
 pins 25 & 26  | 
 Open  | 
| 
 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  | 
| 
 VRAM CONFIGURATION  | |
| 
 Size  | 
 Bank 0  | 
| 
 256KB  | 
 NONE  | 
| 
 512KB  | 
 (2) 44256  |