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Chapter 5: Advanced Motherboard Setup
5-17
Wake-On-Ring
The Wake-On-Ring header is desig-
nated WOR. This function allows your
computer to receive and "wake-up" by
an incoming call to the modem when
in suspend state. See the table on
the right for pin defi nitions. You must
have a Wake-On-Ring card and cable
to use this feature.
Wake-On-Ring
Pin Defi nitions (WOR)
Pin# Defi nition
1 Ground (Black)
2 Wake-up
SMBus Header
The header at JSMB1 is for the System
Management Bus. Connect the ap-
propriate cable here to utilize SMB on
the system. See the table on the right
for pin defi nitions.
SMBus Header
Pin Defi nitions (JSMB1)
Pin# Defi nition
1 Data
2 Ground
3 Clock
4 No Connection
Redundant Power Supply
Fail Header
Connect a cable from your power
supply to J21 to provide you with
warning of a power supply failure.
The warning signal is passed through
the PWR_LED pin to indicate a power
failure. See the table on the right for
pin defi nitions.
Redundant Power Sup-
ply Alarm Header
Pin Defi nitions (J21)
Pin# Defi nition
1 P/S 1 Fail Signal
2 P/S 2 Fail Signal
3 P/S 3 Fail Signal
4 Reset (from MB)
Note: This feature is only available when using
redundant power supplies.
UID LED Header
The JU2 header is for a chassis UID
(Unit Identifier) LED. Connect the
appropriate cable to this header and the
LED(s) on the chassis. There are four
pins (two are required for connection
so the header provides both front and
rear chassis UID indication).