BEK-TRONIC TECHNOLOGY, INC.
BEK-5731
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/125/133/150/166/180/200MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
BIOS |
Award |
|
Dimensions |
280mm x 220mm |
|
I/O Options |
32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connectors (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse interface |
J1 |
IR connector |
J9 |
|
Serial port 1 |
J2 |
Reset switch |
J10 |
|
Parallel port |
J3 |
Power LED & keylock |
J11 |
|
Floppy drive interface |
J4 |
Speaker |
J12 |
|
IDE interface 1 |
J5 |
USB connector 2 |
JP3 |
|
IDE interface 2 |
J6 |
USB connector 1 |
JP4 |
|
Serial port 2 |
J7 |
Green PC connector |
JP22 |
|
IDE interface LED |
J8 |
32-bit PCI slots |
PC1 PC4 |
|
Turbo LED |
J8A |
Cache slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
On board I/O enabled |
JP1 |
Pins 1 & 2 closed | |
|
On board I/O disabled |
JP1 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP2 |
Unidentified |
|
|
Factory configured - do not alter |
JP8 |
Unidentified |
|
|
Factory configured - do not alter |
JP8A |
Unidentified |
|
|
Pipeline address enabled |
JP13 |
Closed |
|
Pipeline address disabled |
JP13 |
Open | |
|
|
Factory configured - do not alter |
JP16 |
Unidentified |
|
|
Cache write select write back |
JP17 |
Pins 2 & 3 closed |
|
Cache write select write through |
JP17 |
Pins 1 & 2 closed | |
|
Flash BIOS voltage select 12v |
JP18 |
Pins 1 & 2 closed | |
|
Flash BIOS voltage select 5v |
JP18 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP25 |
Unidentified |
|
CPU regulator voltage select 1 regulator voltage |
JP28 |
Pins 1 & 2 closed | |
|
CPU regulator voltage select 2 regulator voltage |
JP28 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 36 |
None |
|
16MB |
(2) 2M x 36 |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
DIMM CONFIGURATION | |
|
Size |
Bank 2 |
|
8MB |
(1) 1M x 64 |
|
16MB |
(1) 2M x 64 |
|
32MB |
(1) 4M x 64 |
|
64MB |
(1) 8M x 64 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
SL1 |
TAG |
|
256KB (A) |
(2) 32K x 32 |
Not installed |
(1) 32K x 8 |
|
256KB (B) |
None |
256KB module installed |
(1) 32K x 8 |
|
512KB (A) |
(2) 32K x 32 |
256KB module installed |
(1) 32K x 8 |
|
512KB (B) |
(2) 64K x 32 |
Not installed |
(1) 32K x 8 |
|
512KB (C) |
None |
512KB module installed |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP10 |
JP12 |
JP14 |
JP15 |
|
256KB (A) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
Closed |
|
256KB (B) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
Open |
|
512KB (A) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Closed |
Open |
|
512KB (B) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Closed |
Open |
|
512KB (C) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
Closed |
|
CACHE TAG VOLTAGE CONFIGURATION | |
|
Voltage |
JP9 |
|
3.3v |
Pins 2 & 3 closed |
|
5v |
Pins 1 & 2 closed |
|
CPU SPEED SELECTION | |||||||
|
CPU speed |
Clock speed |
Multiplier |
JP5 |
JP6 |
JP7 |
JP26 |
JP27 |
|
75MHz |
50MHz |
1.5x |
Open |
Closed |
Closed |
Open |
Open |
|
90MHz |
60MHz |
1.5x |
Closed |
Open |
Closed |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
Closed |
Open |
Open |
Open |
Open |
|
100MHz |
50MHz |
2x |
Closed |
Closed |
Closed |
Open |
Closed |
|
120MHz |
60MHz |
2x |
Closed |
Open |
Closed |
Open |
Closed |
|
125MHz |
50MHz |
2.5x |
Open |
Closed |
Closed |
Open |
Closed |
|
133MHz |
66MHz |
2x |
Closed |
Open |
Open |
Open |
Closed |
|
150MHz |
60MHz |
2.5x |
Closed |
Open |
Closed |
Closed |
Closed |
|
166MHz |
66MHz |
2.5x |
Closed |
Open |
Open |
Closed |
Closed |
|
180MHz |
60MHz |
3x |
Closed |
Open |
Closed |
Closed |
Open |
|
200MHz |
66MHz |
3x |
Closed |
Open |
Open |
Closed |
Open |
|
CPU TYPE SELECTION | ||
|
Type |
JP21 |
JP29 |
|
P54C |
Pins 1 & 3, 2 & 4 closed |
Pins 1 & 3, 2 & 4 closed |
|
P55C |
Open |
Open |
|
CPU VOLTAGE SELECTION (SINGLE) | |
|
Voltage |
JP24 |
|
2.5v |
Pins 1 & 2 closed |
|
3.4v |
Pins 2 & 3 closed |
|
CPU VOLTAGE SELECTION (DUAL) | |||
|
Voltage |
V core |
JP20 |
JP24 |
|
2.5v |
3v |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
2.5v |
3.4v |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
3.4v |
3v |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
3.4v |
3.4v |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
CMOS SELECTION | |||
|
Setting |
JP11 |
JP19 | |
|
CMOS memory normal operation |
Open |
Open | |
|
CMOS memory clear |
Closed |
Closed | |