User`s manual
C-7
SC747 Chassis Manual
Socket Settings
Socket Socket Setting Note
JP18 Connected to front panel
Buzzer reset*
Press once to disable buzzer
Press twice to enable buzzer
Fan Jumper Settings
Jumper Jumper Settings Note
JP61
1-2:Enabled
2-3:Disabled
FAN#1 enable/disable
JP97
1-2:Enabled
2-3:Disabled
FAN#1 selection for MG9072 chip
JP62
1-2:Enabled
2-3:Disabled
FAN#2 enable/disable
JP98
1-2:Enabled
2-3:Disabled
FAN#2 selection for MG9072 chip
JP63
1-2:Enabled
2-3:Disabled
FAN#3 enable/disable
JP99
1-2:Enabled
2-3:Disabled
FAN#3 selection for MG9072 chip
*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. Fan failure
3. System temperature over 45º Celsius.
Fan Jumper Settings
This backplane can use up to three fans. To utilize each fan, you must congure
both jumpers as instructed below.