DELL COMPUTER CORPORATION
SYSTEM 316, SYSTEM 320LX
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/20MHz  | 
| 
 Chip Set  | 
 VLSI  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 SRAM Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O Options  | 
 Diagnostic test port, floppy drive interface, IDE interface parallel port, serial port (2)  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 BATT  | 
 Reset switch  | 
 JRES  | 
| 
 Serial port 1  | 
 COM1  | 
 External keyboard  | 
 KEYBD  | 
| 
 Serial port 2  | 
 COM2  | 
 Power LED & keylock  | 
 KLOCK  | 
| 
 Floppy drive interface  | 
 FDC  | 
 Parallel port  | 
 LPT1  | 
| 
 IDE interface  | 
 HDC  | 
 Speaker  | 
 SPKR  | 
| 
 IDE interface LED  | 
 HDLED  | 
 Diagnostic test port  | 
 TEST  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 IRQ14 select driven to bus  | 
 JMPHD  | 
 pins 1 & 2 closed  | 
| 
 IRQ14 select buffered  | 
 JMPHD  | 
 pins 2 & 3 closed  | |
| » | 
 IOCHRDY signal disabled  | 
 JMPRDY  | 
 open  | 
| 
 IOCHRDY signal from pin 21 enabled  | 
 JMPRDY  | 
 pins 1 & 2 closed  | |
| 
 IOCHRDY signal from pin 27 enabled  | 
 JMPRDY  | 
 pins 2 & 3 closed  | |
| » | 
 NPU mode select synchronous with CPU  | 
 JMPNP  | 
 open  | 
| 
 NPU mode select asynchronous with CPU  | 
 JMPNP  | 
 closed  | |
| » | 
 CMOS memory normal operation  | 
 MAINT  | 
 open  | 
| 
 CMOS memory clear  | 
 MAINT  | 
 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  |