BEK-TRONIC TECHNOLOGY, INC.
BEK-V429
Processor |
CX486M6/SL80486SX/80486SX/CX486M7/SL80486DX/80486DX/SL80486DX/80486DX2/80486DX4/P24D/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
128MB |
Cache |
64/128/256KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J2 |
Speaker |
JP38 |
Green PC connector |
JP6 |
Green PC connector (monitor) |
JP39 |
Power LED & keylock |
JP22 |
Green PC connector LED |
JP41 |
Turbo LED |
JP34 |
Reset switch |
S1 |
Turbo switch |
JP36 |
32-bit VESA local bus slots |
SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Monitor type select color |
JP1 |
Closed |
Monitor type select monochrome |
JP1 |
Open | |
|
CMOS memory normal operation |
JP2 |
pins 2 & 3 closed |
CMOS memory clear |
JP2 |
pins 1 & 2 closed | |
Battery type select external |
JP2 |
Open | |
|
Factory configured - do not alter |
JP7 |
Closed |
|
Factory configured - do not alter |
JP30 |
N/A |
|
Factory configured - do not alter |
JP31 |
pins 2 & 3 closed |
|
LRDY wait state select 0 wait states |
JP33 |
pins 2 & 3 closed |
LRDY wait state select 1 wait state |
JP33 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP40 |
pins 1 & 2, 3 & 4 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
1MB |
NONE |
(1) 256K x 36 |
NONE |
NONE |
2MB |
(4) 256K x 9 |
(1) 256K x 36 |
NONE |
NONE |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
4MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
NONE |
(1) 1M x 36 |
NONE |
NONE |
5MB |
(4) 256K x 9 |
(1) 1M x 36 |
NONE |
NONE |
6MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
8MB |
(4) 1M x 9 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(4) 1M x 9 |
NONE |
(1) 1M x 36 |
NONE |
8MB |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
10MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(4) 1M x 9 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
16MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
NONE |
(1) 4M x 36 |
NONE |
NONE |
17MB |
(4) 256K x 9 |
(1) 4M x 36 |
NONE |
NONE |
20MB |
(4) 1M x 9 |
(1) 4M x 36 |
NONE |
NONE |
20MB |
(4) 1M x 9 |
NONE |
(1) 4M x 36 |
NONE |
20MB |
NONE |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
32MB |
(4) 4M x 9 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(4) 4M x 9 |
NONE |
(1) 4M x 36 |
NONE |
32MB |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
64MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
NONE |
(1) 16M x 36 |
NONE |
NONE |
128MB |
(4) 16M x 9 |
(1) 16M x 36 |
NONE |
NONE |
128MB |
(4) 16M x 9 |
NONE |
(1) 16M x 36 |
NONE |
128MB |
NONE |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
DRAM JUMPER CONFIGURATION | |
Size |
JP5 |
1MB |
pins 2 & 3 closed |
1MB |
pins 1 & 2 closed |
2MB |
pins 2 & 3 closed |
4MB |
pins 2 & 3 closed |
4MB |
pins 2 & 3 closed |
4MB |
pins 1 & 2 closed |
5MB |
pins 2 & 3 closed |
6MB |
pins 2 & 3 closed |
8MB |
pins 2 & 3 closed |
8MB |
pins 2 & 3 closed |
8MB |
pins 1 & 2 closed |
10MB |
pins 2 & 3 closed |
12MB |
pins 2 & 3 closed |
12MB |
pins 1 & 2 closed |
16MB |
pins 2 & 3 closed |
16MB |
pins 2 & 3 closed |
16MB |
pins 1 & 2 closed |
17MB |
pins 2 & 3 closed |
20MB |
pins 2 & 3 closed |
20MB |
pins 2 & 3 closed |
20MB |
pins 1 & 2 closed |
32MB |
pins 2 & 3 closed |
32MB |
pins 2 & 3 closed |
32MB |
pins 1 & 2 closed |
64MB |
pins 2 & 3 closed |
64MB |
pins 2 & 3 closed |
64MB |
pins 1 & 2 closed |
128MB |
pins 2 & 3 closed |
128MB |
pins 2 & 3 closed |
128MB |
pins 1 & 2 closed |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K x 8 or (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size |
JP8 |
JP27 |
JP28 |
64KB |
pins 2 & 3 closed |
Open |
Open |
128KB |
pins 1 & 2 closed |
Closed |
Open |
256KB |
pins 2 & 3 closed |
Closed |
Closed |
CACHE TAG JUMPER CONFIGURATION | |
Size |
JP26 |
8K x 8 |
pins 1 & 2 closed |
16K x 8 |
pins 2 & 3 closed |
32K x 8 |
pins 1 & 2 closed |
CPU TYPE CONFIGURATION | |||||
Type |
JP9 |
JP10 |
JP11 |
JP12 |
JP13 |
CX486M6 |
Closed |
Open |
1 & 2 |
2 & 3 |
Open |
SL80486SX |
Open |
Closed |
1 & 2 |
1 & 2 |
Open |
80486SX |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
CX486M7 (1x) |
Closed |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
CX486M7 (2x) |
Closed |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
SL80486DX |
Open |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
80486DX |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
SL80486DX2 |
Open |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
80486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
80486DX4 |
Open |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
P24D (WB) |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
P24D (WT) |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
P24T |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP15 |
JP19 |
JP20 |
JP21 |
JP22 |
CX486M6 |
Open |
Open |
Open |
Open |
Open |
SL80486SX |
Open |
Open |
Closed |
Closed |
Open |
80486SX |
Open |
Open |
Open |
Open |
Open |
CX486M7 (1x) |
Open |
Open |
Open |
Open |
Closed |
CX486M7 (2x) |
Open |
Open |
Open |
Open |
Closed |
SL80486DX |
Open |
Open |
Closed |
Closed |
Open |
80486DX |
Open |
Open |
Open |
Open |
Open |
SL80486DX2 |
Open |
Open |
Closed |
Closed |
Open |
80486DX2 |
Open |
Open |
Open |
Open |
Open |
80486DX4 |
Open |
Open |
Closed |
Closed |
Open |
P24D (WB) |
Closed |
1 & 2 |
Closed |
Closed |
Open |
P24D (WT) |
Closed |
2 & 3 |
Closed |
Closed |
Open |
P24T |
Closed |
Open |
Closed |
Closed |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||
Type |
JP23 |
JP29 |
JP32 |
CX486M6 |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
pins 1 & 2 closed |
SL80486SX |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
Open |
80486SX |
pins 2 & 3 closed |
pins 1 & 3, 2 & 4 closed |
Open |
CX486M7 (1x) |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
Open |
CX486M7 (2x) |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
Open |
SL80486DX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
Open |
80486DX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
Open |
SL80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
Open |
80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
Open |
80486DX4 |
pins 1 & 2, 3 & 4 closed |
pins 3 & 5, 4 & 6 closed |
Open |
P24D (WB) |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
pins 2 & 3 closed |
P24D (WT) |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
pins 2 & 3 closed |
P24T |
pins 1 & 2, 3 & 4 closed |
pins 1 & 3, 2 & 4 closed |
pins 2 & 3 closed |
CPU SPEED CONFIGURATION | ||
Speed |
JP17 |
JP18 |
25MHz |
Open |
Open |
33MHz |
Closed |
Closed |
40MHz |
Closed |
Open |
50iMHz |
Open |
Open |
50MHz |
Open |
Closed |
66iMHz |
Closed |
Closed |
75iMHz |
Open |
Open |
100iMHz |
Closed |
Closed |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP35 |
0 wait states |
Open |
1 wait state |
Closed |
Note: The location of JP35 is unidentified. |
BUS SPEED CONFIGURATION | |
CPU speed |
JP37 |
<= 33MHz |
Open |
> 33MHz |
Closed |
Note: The location of JP37 is unidentified. |