NORTHGATE COMPUTER SYSTEMS, INC.
ELEGANCE 425E
|
Processor |
80486DX |
|
Processor Speed |
25MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
32MB |
|
Cache |
128KB |
|
BIOS |
AMI |
|
Dimensions |
350mm x 304mm |
|
I/O Options |
Parallel port, serial port, floppy drive interface, IDE interface |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
P11 |
Serial port 1 |
P20 |
|
Power LED & keylock |
P12 |
Parallel port |
P21 |
|
Turbo LED |
P13 |
Bus mouse |
P22 |
|
Reset switch |
P14 |
IDE interface |
P23 |
|
Floppy drive interface |
P18 |
IDE interface LED |
P24 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
Cache enabled |
J1 |
Closed |
|
Cache disabled |
J1 |
Open | |
| » |
Factory configured - do not alter |
J2 |
pins 2 & 3 closed |
| » |
Factory configured - do not alter |
J13 |
pins 2 & 3 closed |
| » |
Factory configured - do not alter |
J14 |
pins 1 & 2 closed |
| » |
Factory configured - do not alter |
J15 |
pins 1 & 2 closed |
| » |
Factory configured - do not alter |
J16 |
pins 1 & 2 closed |
| » |
Serial port IRQ select IRQ4 |
J17 |
pins 2 & 3 closed |
|
Serial port IRQ select IRQ3 |
J17 |
pins 1 & 2 closed | |
| » |
Parallel port IRQ select IRQ4 |
J18 |
pins 2 & 3 closed |
|
Parallel port IRQ select IRQ3 |
J18 |
pins 1 & 2 closed | |
| » |
Factory configured - do not alter |
J19 |
Closed |
| » |
Factory configured - do not alter |
J20 |
Open |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
DRAM JUMPER CONFIGURATION | |||||
|
Size |
J3 |
J4 |
J5 |
J6 |
J7 |
|
1MB |
Open |
Open |
Open |
Open |
Open |
|
2MB |
Closed |
Closed |
Closed |
Closed |
Open |
|
4MB |
Open |
Open |
Open |
Open |
Open |
|
8MB |
Closed |
Closed |
Closed |
Closed |
Open |
|
16MB |
Open |
Open |
Open |
Open |
2 & 3 |
|
32MB |
Closed |
Closed |
Closed |
Closed |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||
|
DRAM JUMPER CONFIGURATION | |||||
|
Size |
J8 |
J9 |
J10 |
J11 |
J12 |
|
1MB |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
2MB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
4MB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
|
8MB |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
|
16MB |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
|
32MB |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||
|
CACHE CONFIGURATION | |
|
Size |
Bank 0 |
|
128KB |
(5) 32K x 8 |