Biostar TP55 Setup Manual page 20

Motherboard Manual
On-Board LED Indicators
There are 8 LED indicators on the motherboard showing system status.
LED1 & LED2: Debug Indicators
PH1_D1 ~ PH4_D4/VTT_D1 ~ VTT_D2: Power Status Indicators
Please refer to the tables below for specific messages:
LED1 LED2
ON
ON OFF
OFF
OFF OFF
PH1_D1 ~ PH4_D4
VTT_D1 ~ VTT_D2
ON
OFF
On-Board Buttons
There are 2 on-board buttons.
SW_RST1: Reset button.
SW_PWR1: Power Switch button.
18
Message
ON Normal
Memory Error
ON VGA Error
Abnormal: CPU / Chipset error.
Phase Indicator
Phase Active
Phase Inactive
SW_RST1
PH4_D4
PH3_D3
PH2_D2
PH1_D1
VTT_D2
VTT_D1
SW_PWR1