Abit SM5, User Manual

Page: 13 / 96

Installing the Mainboard 2-5
IDE LED connector
This connector has a specific orientation. Connect the two-thread IDE LED
connector cable attached to the case to the IDE LED connector on the mainboard.
Model name SM5 (J5) SM5-A (J4)
Pin number Name or significance of signal
1
LED
’
s Cathode
2
LED
’
s Anode
3
LED
’
s Anode
4
LED
’
s Cathode
Standby connector (Option)
There is no specific orientation. Most of the present AT cases do not support this
feature so most of you can ignore this instruction. If your case has a cable for the
Standby feature, you should connect this cable to the connector on the Mainboard.
Model name SM5 (JP12) SM5-A (JP100)
Pin number Name or significance of signal
1 Standby power supply
【
+5VSB
】
2 Control signal of computer switch of the case
The
“
standby connector,
”
unlike the traditional mechanical switch,
is an electronic way to turn the computer
’
s power off. To use this
feature, the power supply system must permit a shutdown power
supply (+5VSB), support the electronic switch feature, and must
also be used with connector (JP14)SM5/(JP102)SM5-A on the
mainboard. For example, when using Windows 95, your
computer will automatically shut down after having saved your
work when you exit Windows. You do not need to use the
mechanical switch to turn the computer off.
Computer
knowledge