Supermicro SC825 Series - Page 84

B-6
SC825 Chassis Manual
1
1
16
32
48
BAR CODE
REV 2.0
SAS825TQ
1
GNDGND+12V +5VGNDGND+12V +5V
#2
I C
#1
ACT_IN
JP29:9072 RESET
I C
SIDEBAND #2
SIDEBAND #1
2
2
+
+
+
+
+
+
+
+
+
+
+
+
+
+
1
1
1
16
32
48
GNDGND+12V +5VGNDGND+12V +5V
+
+
+
BAR CODE
+
+
+
REV 2.0
SAS825TQ
#2
2
I C
#1
ACT_IN
JP29:9072 RESET
2
I C
SIDEBAND #2
SIDEBAND #1
+
+
+
+
+
+
+
+
B-7 Front Jumper Locations and Pin Denitions
Explanation of Jumpers
To modify the operation of the backplane,
jumpers can be used to choose between
optional settings. Jumpers create shorts
between two pins to change the function
   
a square solder pad on the printed circuit
board. Note: On two pin jumpers, "Closed"
means the jumper is on and "Open" means
󰀨
Connector
Pins
Jumper
Setting
3 2 1
3 2 1
Jumper Settings
Jumper Jumper Settings Note
JP29
󰀨
Closed (Jumper on the pins): Reset
MG9072 chip reset
JP18
󰀨
Closed (Jumper on the pins): Reset
Buzzer reset*
Figure C-3. Front Jumpers
*The buzzer sound indicates that a condition requiring immediate attention has
occurred.
The buzzer alarm is triggered by the following conditions:
1. Hard drive failure
2. System temperature over 45º Celsius.
JP18
JP29
JP50
JP37
JP38
JP34
JP36
JP43
JP33
JP42
JP41
JP40
Closed, jumper on
󰀨
the pins.
the pins.