DELL COMPUTER CORPORATION
OMNIPLEX 4XX/MTE, OMNIPLEX 4XX/MXE
|
Device Type |
Mainboard |
|
Processor |
80486SX/80486DX/80486SX2/80486DX2/80486DX4 |
|
Processor Speed |
25/33/40/50(internal)/66(internal)/100(internal) |
|
Chip Set |
VLSI |
|
Video Chip Set |
Cirrus Logic |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
1MB |
|
Cache |
128KB |
|
BIOS |
Unidentified |
|
Dimensions |
Unidentified |
|
I/O Options (backplane) |
floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, |
|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
VGA port |
CN1 |
IDE interface |
CN8 |
|
Parallel port |
CN2 |
IDE interface LED 2 |
JP2 |
|
Serial port 1 |
CN3 |
Sound card connector |
JP5 |
|
Serial port 2 |
CN4 |
Panel connector |
JP6 |
|
PS/2 mouse port |
CN5 |
IDE interface LED 1 |
JP7 |
|
VGA feature connector |
CN6 |
Riser slot 1 |
SL1 |
|
Floppy drive interface |
CN7 |
Riser slot 2 |
SL2 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Label |
Position |
|
|
» |
Factory configured - do not alter |
JP1 |
Open |
|
» |
Factory configured - do not alter |
JP3 |
Open |
|
» |
Factory configured - do not alter |
JP4 |
Pins 1 & 2 closed |
|
» |
Enable built-in speaker |
JP5 |
Pins 1 & 2 closed |
|
Disable built-in speaker/send signals to sound card |
JP5 |
Closed |
|
|
» |
Enable built-in VGA |
JP9 |
Closed |
|
Disable built-in VGA |
JP9 |
Open |
|
|
» |
Password feature enabled |
JP10 |
Closed |
|
Password feature disabled |
JP10 |
Open |
|
|
» |
Factory configured - do not alter |
JP11 |
Open |
|
SIMM CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(1) 1M x 36 |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
|
16MB |
(1) 4M x 36 |
None |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
None |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
|
CPU SPEED SELECTION |
|
|
Speed |
JP8 |
|
25MHz |
Closed |
|
33MHz |
Open |