DELL COMPUTER CORPORATION
DIMENSION 386SX/25
|
Processor |
80386SX |
|
Processor Speed |
25MHz |
|
Chip Set |
VLSI Topcat |
|
Max. Onboard DRAM |
16MB |
|
SRAM Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, Bus mouse port parallel port, serial port (2), VGA port |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port (COM A) |
P3 |
VGA port |
P10 |
|
Parallel port |
P4 |
Reset switch |
P11 |
|
Floppy drive interface |
P5 |
Speaker |
P12 |
|
IDE interface |
P6 |
Power LED & keylock |
P13 |
|
Serial port (COM B) |
P7 |
Turbo LED |
P14 |
|
Bus mouse |
P9 |
IDE interface LED |
P15 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
VGA port enabled |
JP1 JP2 |
pins 2 & 3 closed pins 1 & 2 closed | |
|
VGA port disabled |
JP1 JP2 |
pins 1 & 2 closed pins 2 & 3 closed | |
|
Single IDE drive installed |
JP3 |
pins 1 & 2 closed | |
|
Dual IDE drive installed |
JP3 |
pins 2 & 3 closed | |
|
Pipeline mode enabled |
JP4 |
pins 2 & 3 closed | |
|
Pipeline mode disabled |
JP4 |
pins 1 & 2 closed | |
|
Floppy drive disk change signal disabled |
JP5 |
pins 1 & 2 closed | |
|
Floppy drive disk change signal 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 | |
|
Monitor type select Non-MultiSync I |
SW1/switch 1 |
open | |
|
Monitor type select MultiSync I |
SW1/switch 1 |
closed | |
|
VGA style select PS/2 |
SW1/switch 2 |
closed | |
|
VGA style select AT |
SW1/switch 2 |
open | |
|
Select 1024 x 768 interlaced |
SW1/switch 5 |
open | |
|
Select 1024 x 768 non-interlaced |
SW1/switch 5 |
closed | |
|
REFRESH RATE CONFIGURATION | ||
|
Mode 800 x 600 |
SW1/switch 3 |
SW1/switch 4 |
|
16 colors @ 72Hz/256 colors @ 60Hz |
open |
open |
|
16 colors @ 60Hz/256 colors @ 60Hz |
open |
closed |
|
16 colors @ 72Hz/256 colors @ 56Hz |
closed |
open |
|
16 colors @ 56Hz/256 colors @ 56 Hz |
closed |
closed |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
8MB |
(2) 4M x 9 |
NONE |
|
10MB |
(2) 4M x 9 |
(2) 1M x 9 |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |