|
BEK-4806
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
|
|