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 |