UNIDENTIFIED
TOPCAT 386/486DX
|
Processor |
80386DX/80486DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
64MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387DX/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
JP31 |
Reset switch |
JP65 |
|
Power LED & keylock |
JP42 |
Turbo switch |
JP66 |
|
External battery |
JP60 |
Turbo LED |
JP67 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Pipeline mode disabled |
JP1 |
Open |
|
Pipeline mode enabled |
JP1 |
Closed | |
|
|
Ready source type select NPX ready |
jp2 |
pins 1 & 2 closed |
|
Ready source type select 330 ready |
jp2 |
pins 2 & 3 closed | |
|
|
Clock speed control select keyboard |
JP10 |
pins 1 & 2 closed |
|
Clock speed control select external switch |
JP10 |
pins 2 & 3 closed | |
|
|
Parity check disabled |
JP32 |
Open |
|
Parity check enabled |
JP32 |
Closed | |
|
Monitor type select monochrome |
JP41 |
Open | |
|
Monitor type select color |
JP41 |
Closed | |
|
|
Battery type select internal |
JP61 |
pins 1 & 2 closed |
|
Battery type select external |
JP61 |
pins 2 & 3 closed | |
|
|
Power good signal detect from power supply |
JP62 |
pins 1 & 2 closed |
|
Power good signal detect from board |
JP62 |
pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
JP68 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP68 |
pins 3 & 4 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) 256K x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
|
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) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
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 |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
18MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
33MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 256K x 9 |
NONE |
|
34MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
|
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
CPU TYPE CONFIGURATION | |||||
|
Type |
JP81 |
JP83 |
JP84 |
JP85 |
JP86 |
|
80386 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
80486 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||
|
BIOS CONFIGURATION | ||
|
Type |
JP21 |
JP22 |
|
27128 |
Open |
Open |
|
27256 |
Open |
Closed |
|
27512 |
Closed |
Closed |