DELL COMPUTER CORPORATION
SYSTEM 4XX/P NETPLEX
|
Processor |
80486SX/80486DX/80486DX2 |
|
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
32MB |
|
Cache |
128KB |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Bus mouse port, floppy drive interface, IDE interface, parallel port, riser card slot, serial ports (2), VGA feature connector, VGA port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Bus mouse port |
CN1 |
VGA feature connector |
CN6 |
|
Serial port 1 |
CN2 |
IDE interface LED |
CN7 |
|
Serial port 2 |
CN3 |
Floppy drive interface |
CN8 |
|
Parallel port |
CN4 |
IDE interface LED |
JP5 |
|
VGA port |
CN5 |
Riser card slot |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
VGA IRQ9 disabled |
JP1 |
Open |
|
VGA IRQ9 enabled |
JP1 |
Closed | |
|
|
Monitor type select color |
JP2 |
Closed |
|
Monitor type select monochrome |
JP2 |
Open | |
|
|
Password enabled |
JP7 |
Closed |
|
Password disabled |
JP7 |
Open | |
|
PARALLEL PORT CONFIGURATION | |
|
Port |
JP6 |
|
LPT 1/IRQ7 |
pins 1 & 2 closed |
|
LPT 1/IRQ5 |
pins 2 & 3 closed |
|
LPT 3/IRQ7 |
pins 1 & 2 closed |
|
Disabled |
Open |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 1 |
Bank 2 |
|
4MB |
(1) 1M x 36 |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
|
VIDEO RAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(4) 256KB x 4 |
NONE |
|
1MB |
(4) 256KB x 4 |
(4) 256KB x 4 |
|
Note:Bank 0 is factory installed and is not configurable. | ||
|
CPU SPEED CONFIGURATION | |
|
CPU speed |
JP3 |
|
25MHz |
Closed |
|
33MHz |
Open |
|
50iMHz |
Closed |
|
66iMHz |
Open |
|
CPU TYPE SELECT | |||
|
CPU type |
JP4 A-C |
JP4D-F |
JP4G-I |
|
80486SX |
Closed |
Open |
Open |
|
80487SX |
Open |
Open |
Closed |
|
80486DX |
Open |
Closed |
Open |
|
80486DX2 |
Open |
Closed |
Open |