ISA/EISA, INC.
NIC-ware-486
|
Processor |
80486DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
None |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
349mm x 244mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo switch |
JP2 |
|
Speaker |
J3 |
Turbo LED |
JP21 |
|
External battery |
J4 |
POST LEDs (L1=MSB, L8=LSB) |
L1-L8 |
|
Reset switch |
JP1 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
External cache enabled |
JP20 |
pins 2 & 3 closed | |
|
External cache disabled |
JP20 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
|
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
6MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
|
7MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
9MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
NONE |
|
10MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
13MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
24MB |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
28MB |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
|
40MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
52MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
DRAM JUMPER CONFIGURATION | |
|
Size |
J23 |
|
1MB |
pins 1 & 2 closed |
|
2MB |
pins 1 & 2 closed |
|
3MB |
pins 1 & 2 closed |
|
4MB |
pins 1 & 2 closed |
|
4MB |
pins 1 & 2 closed |
|
5MB |
pins 1 & 2 closed |
|
6MB |
pins 1 & 2 closed |
|
7MB |
pins 1 & 2 closed |
|
8MB |
pins 1 & 2 closed |
|
9MB |
pins 1 & 2 closed |
|
DRAM JUMPER CONFIGURATION (CONT) | |
|
Size |
J23 |
|
10MB |
pins 1 & 2 closed |
|
12MB |
pins 1 & 2 closed |
|
13MB |
pins 1 & 2 closed |
|
16MB |
pins 2 & 3 closed |
|
16MB |
pins 2 & 3 closed |
|
20MB |
pins 2 & 3 closed |
|
24MB |
pins 2 & 3 closed |
|
28MB |
pins 2 & 3 closed |
|
32MB |
pins 2 & 3 closed |
|
36MB |
pins 2 & 3 closed |
|
40MB |
pins 2 & 3 closed |
|
48MB |
pins 2 & 3 closed |
|
52MB |
pins 2 & 3 closed |
|
64MB |
pins 2 & 3 closed |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(8) 8K x 8 |
NONE |
(1) 8K x 8 |
|
128KB |
(8) 8K x 8 |
(8) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(8) 32K x 8 |
NONE |
(1) 32K x 8 |
|
512KB |
(8) 32K x 8 |
(8) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||||||
|
Size |
JP6 |
JP7 |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
JP13 |
JP14 |
JP15 |
|
64KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
128KB |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
|
256KB |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
512KB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||||||
|
AT BUS CLOCK CONFIGURATION | ||||
|
CPU Speed |
Bus Speed |
JP3 |
JP4 |
JP5 |
|
33MHz |
16.5MHz (CPU/2) |
Open |
Open |
Closed |
|
33MHz |
10MHz (Async) |
Closed |
Open |
Open |
|
33MHz |
8.25MHz (CPU/4) |
Open |
Closed |
Open |
|
25MHz |
12.5MHz (CPU/2) |
Open |
Open |
Closed |
|
25MHz |
8MHz (Async) |
Closed |
Open |
Open |
|
25MHz |
6.25 (CPU/4) |
Open |
Closed |
Open |