BEK-TRONIC TECHNOLOGY, INC.
BEK-4806
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
50MHz |
|
Chip Set |
ACC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
Unidentified |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J1 |
Speaker |
J4 |
|
Turbo switch |
J2 |
Power LED & keylock |
J5 |
|
Turbo LED |
J3 |
External battery |
J6 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
JP1 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
JP1 |
pins 2 & 3 closed | |
|
Note:The settings for this jumper are unidentified. | |||
|
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 |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
32KB |
(4) 8K x 8 |
NONE |
(1) 8K x 8 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JK1 |
JK2 |
JK3 |
JK6 |
|
32KB |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
1 & 2 |
|
64KB |
1 & 2, 3 & 4 |
2 & 3, 4 & 5 |
1 & 2, 3 & 4 |
2 & 3 |
|
128KB |
2 & 3, 4 & 5 |
1 & 2, 4 & 5 |
1 & 2, 3 & 4 |
1 & 2 |
|
256KB |
2 & 3, 4 & 5 |
2 & 3, 4 & 5 |
2 & 3, 4 & 5 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP2 |
JP3 |
|
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
80487SX |
pins 1 & 2 closed |
pins 1 & 2 and 3 & 4 closed |
|
80486DX |
pins 3 & 4 closed |
pins 1 & 2 and 3 & 4 closed |