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 |