20 SBC-656 User Manual
Note:
Most Celeron CPUs' frequency ratio are pre-locked
within the CPUs. Thess CPUs run at fixed speed
(frequency) regardless of the configurations listed above.
If the CPU you are using requires higher ratio then 5.5X, it
is most likely pre-locked.
CPU frequency ratio select
CPU core frequency = CPU frequency ratio (3~5.5) * External bus
clock (66 or 100 MHz)
CPU frequency ratio select SW1 (D, E, F)
3X
3.5X
4.0X
4.5X *
5 X
5.5X
* default
ON
A
B
C
D
E
F
ON
A
B
C
D
E
F
ON
A
B
C
D
E
F
ON
A
B
C
D
E
F
ON
A
B
C
D
E
F
ON
A
B
C
D
E
F
Содержание SBC-656
Страница 1: ...SBC 656 Half Size Celeron CPU Card With LCD Ethernet SSD ...
Страница 2: ......
Страница 17: ...Chapter 1 General Information 7 Board layout ...
Страница 18: ...8 SBC 656 User Manual Board dimensions ...
Страница 22: ...12 SBC 656 User Manual Locating jumpers J4 J5 J3 J2 SW1 ...
Страница 23: ...Chapter 2 Installation 13 Locating connectors CN11 CN14 PWR1 CN15 CN7 CN10 CN3 CN6 CN8 CN12 CN1 CN2 CN9 CN13 ...
Страница 92: ...82 SBC 656 User Manual ...
Страница 106: ...9 6 SBC 656 User Manual ...
Страница 116: ...106 SBC 656 User Manual ...
Страница 120: ...110 SBC 656 User Manual ...