15
Figure 10: Front panel USB header pin-out
Pin Signal
Pin Signal
1
+5V DC
2
+5V DC
3
Data (negative) 4
Data (negative)
5
Data (positive)
6
Data (positive)
7
Ground
8
Ground
9
Key (no pin)
10
No Connect
Table 10: Front panel USB header signals
Figure 11: Front panel main header pin-out
Pin Signal Name
Description
Pin
Signal Name
Description
1
HDD_POWER_LED
Pull-up resistor (750
) to +5V
2
POWER_LED_MAIN
[Out] Front panel LED (main color)
3
HDD_LED#
[Out] Hard disk activity LED
4
POWER_LED_ALT
[Out] Front panel LED (alt color)