
Chapter 5: Advanced Serverboard Setup
Watch Dog Enable/Disable
JWD controls the Watch Dog function. Watch Dog is a system monitor that can reboot the system when a software application hangs. Jumping pins
Watch Dog
Jumper Settings (JWD)
Jumper Setting | Defi nition | |
Pins | Reset | |
Pins | NMI | |
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Note: When enabled, the user needs to write their own application software in or- der to disable the Watch Dog timer.
Onboard Speaker Enable/ Disable
The JD1 header allows you to use either an external speaker or the in- ternal (onboard) speaker. To use the internal onboard speaker, close pins 6 and 7 with a jumper. To use an external speaker, remove the jumper and connect the speaker wires to pins 4 (+5V) and 7 (control signal). See the table on the right for settings and the table associated with the Power LED/ Keylock/Speaker connection (previ- ous section) for jumper settings.
Onboard Speaker Enable/Disable
Pin Definitions (JD1)
Pins |
| Defi nition |
6 and 7 |
| Jump for onboard speaker |
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4 and 7 |
| Attach external speaker wires |
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Note: Pins
SAS Controller Enable/
Disable
JPS1 enables or disables the AIC- 9140W Adaptec SAS controller. See the table on the right for jumper set- tings. The default setting is enabled.
SAS Controller Enable/Disable
Jumper Settings (JPS1)
Jumper Setting | Defi nition | |
Pins | Enabled | |
Pins | Disabled | |
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