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10 SBC-557 User Manual
Jumpers and connectors
Connectors on the board link it to external devices such as hard
disk drives, a keyboard, or floppy drives. In addition, the board
has a number of jumpers that allow you to configure your system
to suit your application.
The following tables list the function of each of the board's
jumpers and connectors.
Jumpers
Label
Function
S1 (2~6)
CPU Vcore select
S1 (1)
Clear CMOS
S2 (1~3)
CPU clock select
S2 (4~6)
CPU frequency ratio select
J1
CPU VIO select
J3
LCD clock signal & driving voltage select
J4
DOC address select
J5, J6
COM2 RS-232/422/485 select
J8
Level 2 cache select
Summary of Contents for SBC-557
Page 1: ...SBC 557 Half Size Super7 CPU Card With LCD Ethernet SSD ...
Page 2: ......
Page 17: ...Chapter 1 General Information 7 Board layout ...
Page 18: ...8 SBC 557 User Manual Board dimensions ...
Page 22: ...12 SBC 557 User Manual Locating jumpers J5 J1 J6 J4 J3 S 1 S2 J8 ...
Page 119: ...110 SBC 557 User Manual ...
Page 123: ...114 SBC 557 User Manual ...