Configuration & Installation
2
23
System Housing Connections
You will need to connect several wires from the
system housing to the motherboard. These include
leads for functions on the housing’ s front panel
and the power connector from the ATX power
supply and any system cooling fans.
Connecting Front Panel Leads
System housings usually have several system con-
trols and indicators mounted on the front panel.
This motherboard supports several of these stan-
dard features via the J23 Switch & Indicator panel
connector. The supported features and the pins
J23 they connect to are shown in the following
table and figures.
Pin
Name
Description
1 – 2
PWBT
Power Button
3 – 4
RST
Reset switch
5 – 6
PWR LED
Power status light
7 – 8
HDD LED
HDD activity light
9 – 10
EXT SMI
Suspend switch
11 – 12
ACPI LED
Suspend indicator
14 16 18
PWR LED
Power LED (3-pin)
20 22
K-LOCK
Key Lock
15 17 19 21
SPEAKER
Speaker
P2
P1
SPEAKER
K-LOCK
PWR
LED
P21
P22
HDD
LED
PWR
LED
RST
PWBT
,
,
,
,
,
ACPI
LED
EXT
SMI
,
Содержание BIW2A
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