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Chapter 5: Advanced Motherboard Setup
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 | |
4 and 7 | Attach external speaker wires | |
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Note: Pins
speaker.
Compact Flash Master/Slave
The JCF1 jumper allows you to assign either master or slave status a compact
flash card installed in IDE1. See the table on the right for jumper settings.
Compact Flash
Master/Slave
Jumper Settings (JCF1)
Jumper Setting | Defi nition | |
Closed | Master | |
Open | Slave | |
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USB Power
Jumper J24 is used to choose the power source for all USB ports and headers on the motherboard. See the table on the right for jumper settings.
USB Power
Jumper Settings (J24)
Jumper Setting | Defi nition | |
Pins | P5V Dual | |
Pins | P5V | |
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PS2 Power
Jumper J18 is used to choose the power source for all PS/2 devices at- tached to the motherboard. See the table on the right for jumper settings.
PS2 Power
Jumper Settings (J18)
Jumper Setting | Defi nition | |
Pins | P5V Dual | |
Pins | P5V | |
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