DFI Q7A-551 - Manual (Page 12)

www.dfi .com Chapter 2 Hardware Installation
12
Chapter 2
Line-out/Mic-in Select
JP7 JP8
JP7 and JP8 allow you to select the audio function. When pins 1-2, 3-4, and 5-6 are set to On,
JP7 is applied for the Line-out function and JP8 is used for the Mic-in function.
5
2 4 6
1 3
JP7 1-2, 3-4, 5-6 On:
Line-out
JP8 1-2, 3-4, 5-6 On:
Mic-in (default)
Download Mode Select
1-2 On: Serial
Download Mode
2-3 On: Normal Boot
(default)
JP9
1 3 2
1 3 2
JP9 allows you to select the download mode of serial port to update the firmware and OS.