DELL COMPUTER CORPORATION
System 425E/433E
|
Processor |
80486DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
32MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
353mm x 291mm |
|
I/O Options |
Parallel port, serial ports (2) |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port one |
COM1 |
Power LED & keylock |
KYLCK |
|
Serial port two |
COM2 |
Parallel port |
LPT1 |
|
Reset switch |
J20 |
Speaker |
SPKR |
|
Keyboard |
KBD | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
JM2 |
Open | |
|
Monitor type select color |
JM4 |
pins 2 & 3 closed | |
|
Monitor type select monochrome |
JM4 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(2) 256K x 36 |
NONE |
NONE |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
NONE |
NONE |
|
6MB |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
NONE |
|
8MB |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
|
8MB |
(2) 1M x 36 |
NONE |
NONE |
NONE |
|
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
NONE |
NONE |
|
12MB |
(2) 1M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
NONE |
|
14MB |
(2) 1M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
NONE |
NONE |
|
18MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 256K x 36 |
NONE |
|
20MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
|
24MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
NONE |
|
28MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 256K x 36 |
|
32MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
DRAM JUMPER CONFIGURATION | ||||
|
Size |
J26A |
J26B |
J26C |
J26D |
|
2MB |
Closed |
N/A |
N/A |
N/A |
|
4MB |
Closed |
Closed |
N/A |
N/A |
|
6MB |
Closed |
Closed |
Closed |
N/A |
|
8MB |
Closed |
Closed |
Closed |
Closed |
|
8MB |
Open |
N/A |
N/A |
N/A |
|
10MB |
Open |
Closed |
N/A |
N/A |
|
12MB |
Open |
Closed |
Closed |
N/A |
|
14MB |
Open |
Closed |
Closed |
Closed |
|
16MB |
Open |
Open |
N/A |
N/A |
|
18MB |
Open |
Open |
Closed |
N/A |
|
20MB |
Open |
Open |
Closed |
Closed |
|
24MB |
Open |
Open |
Open |
N/A |
|
28MB |
Open |
Open |
Open |
Closed |
|
32MB |
Open |
Open |
Open |
Open |