DELL COMPUTER CORPORATION
System 4XXDE
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
20/25/33/50MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
48MB (96MB on revision 1.1 or higher) |
|
Cache |
None (128KB on 450DE and 433DE) |
|
BIOS |
AMI |
|
Dimensions |
329mm x 334mm |
|
I/O Options |
32-bit external CPU card slot, bus mouse, floppy drive interface, IDE interface, status LCD, parallel port, serial ports (2), VGA port |
|
NPU Options |
None (4167 on 433DE) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VGA port |
CN1 |
External battery |
JBAT |
|
Parallel port |
CN2 |
Cooling fan |
JFAN |
|
Serial port 2 |
CN3 |
VGA pass-through |
JFEAT |
|
Serial port 1 |
CN4 |
Primary floppy drive interface |
JFLOP |
|
Bus mouse port |
CN5 |
IDE interface |
JIDE |
|
Board ground points |
GND |
Front panel status LCD |
JVIEW |
|
IDE interface LED |
JLED |
Reset switch |
RSET |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
Boot EEPROM write/clear enabled |
BOOT |
Closed |
|
Boot EEPROM write/clear disabled |
BOOT |
Open | |
| » |
Factory test disabled |
MNT |
Open |
|
Factory test enabled |
MNT |
Closed | |
| » |
VGA interface enabled |
SW1/1 |
Off |
|
VGA interface disabled |
SW1/1 |
On | |
| » |
Monitor type select fixed frequency |
SW1/2 |
Off |
|
Monitor type select multi frequency |
SW1/2 |
On | |
| » |
Password check enabled |
SW1/3 |
On |
|
Password check disabled |
SW1/3 |
Off | |
| » |
BIOS chip select flash EEPROM |
SW1/4 |
Off |
|
BIOS chip select auxiliary ROM |
SW1/4 |
On | |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
Bank 4 |
Bank 5 |
|
4MB |
(1)512K x 36 |
(1)512K x 36 |
NONE |
NONE |
NONE |
NONE |
|
6MB |
(1)512K x 36 |
(1)512K x 36 |
(1)256K x 36 |
(1)256K x 36 |
NONE |
NONE |
|
6MB |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
8MB |
(1)512K x 36 |
(1)512K x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
8MB |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
NONE |
NONE |
|
10MB |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1)256K x 36 |
(1)256K x 36 |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1)512K x 36 |
(1)512K x 36 |
NONE |
NONE |
|
12MB |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
14MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
NONE |
NONE |
|
18MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
18MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1)256K x 36 |
(1)256K x 36 |
NONE |
NONE |
|
20MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
DRAM CONFIGURATION (CON’T) | ||||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
Bank 4 |
Bank 5 |
|
20MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
20MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1)512K x 36 |
(1)512K x 36 |
NONE |
NONE |
|
22MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
26MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
28MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
NONE |
NONE |
|
34MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
34MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1)256K x 36 |
(1)256K x 36 |
NONE |
NONE |
|
36MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
38MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1)512K x 36 |
(1)512K x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
40MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
42MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
50MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
56MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
66MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1)256K x 36 |
(1)256K x 36 |
|
68MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1)512K x 36 |
(1)512K x 36 |
|
72MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
80MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |