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S
S
UPER
ERVER 7043M-8/7043M-6 Manual
Fan Headers
The motherboard has several fan
headers designated CPU1 Chassis
Fan, CPU2 Chassis Fan, Chassis
Fan3, Chassis Fan4 and Chassis
Fan5.
The first two attach to the
fans on the CPU heatsinks.
the table on the right for pin defini-
tions. Only the CPU1Chassis Fan,
CPU2 Chassis Fan and Chassis
Fan 3 are monitored by the hard-
ware monitor logic (see BIOS).
Power LED/Speaker (JD1)
On the JDI header, pins 1-3 are for
the PWR LED and pins 4-7 are for
the speaker connection.
table on the right for speaker pin
definitions.
connector pins are for use with an
external speaker.
use the onboard speaker, you
should close pins 6-7 with a
jumper.
(Note that the two pins
beside the PWR LED header is for
JP37 and not part of JD1 - see
silkscreen on motherboard.)
Third Power Supply Fail
Header
Connect a cable from your power
supply to the JP8 header to pro-
vide warning of power supply fail-
ure.
This warning signal is
passed through the PWR_LED pin
on JF2 to indicate of a power fail-
ure on the chassis. See the table
on the right for pin definitions.
See
See the
Note: The speaker
If you wish to
Fan H eader Pin Definitions
Pin
Number
1
2
3
Caution: These fan headers
are D C power.
Speaker Connector Pin
Pin
Number
Function
6
7
Key
8
9
T hird Power Supply Fail Header
Pin Definitions (JP8)
Pin
Number
1
2
3
4
Note: This feature is only available when
using redundant Supermicro power supplies
a n d s o d o e s n o t a p p l y t o t h e 7 0 4 3 M - 8 /
7043M-6.
5-16
Definition
Ground (black)
+12V (red)
Tachometer
Definitions (JD1)
Definition
+
Red wire, Speaker data
No connection
Key
Speaker data
Definition
P/S 1 Fail Signal
P/S 2 Fail Signal
P/S 3 Fail Signal
Reset (from MB)
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