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SY-7IWB
Quick Start Guide
11
Hardware
Installation
Step 7. Enable/Disable Power-On by Keyboard (JP1)
You may choose to enable the Power-On through Keyboard function by shorting pin 1-2 on
jumper JP1; or short pin 2-3 to disable this function.
Power-On by
Keyboard
Enable Disable
JP1 Setting
Short pin 1-2 to
enable the Power-
On by Keyboard
function.
Short pin 2-3 and
the Power-On by
Keyboard function is
disabled.
Important: When using the Power-On by Keyboard function, please make sure the
ATX power supply is able to provide at least 720mA on the 5V Standby lead (5VSB)
in order to meet the standard ATX specification.
Step 8. PC speaker redirection (JP10)
Through this jumper the case speaker output can be redirected to the external (amplified)
speakers (if connected) through the on-board Audio-Codec.
PC speaker
redirection
Redirect to external speaker Use case speaker
JP10 Setting Short pin 1-2 Short pin 2-3
Step 9. CPU Core Voltage Adjust (JP15)
In case your CPU is running on a frequency higher then it is specified for, increasing its core
voltage can enhance its stability. Over-clocking your CPU does however force your system
to operate outside of its specifications, and therefore SOYO can not guarantee system
stability.
CPU Core Voltage
Adjust
JP15 Setting
Default Vcore
short pin 1-2
5% higher
short pin 2-3
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