User`s manual
MINIX
7025-UC3 User's Manual
- 13 -
Checking Jumper Settings
• For a 2-pin jumper, plug the jumper cap on both pins will make it CLOSE (SHORT). Remove the
jumper cap, or plug it on either pin (reserved for future use) will leave it at OPEN position.
• For 3-pin jumper, pin 1~2 or pin 2~3 can be shorted by plugging the jumper cap in.
How to identify the PIN1 jumpers?
Please check the mainboard carefully, the PIN1 is marked by "1" or white thick line.
1-F_AUDIO(Front Panel Audio Connection Header)
Pin No. Header HD Audio Denition AC97 Audio Denition
1 PORT1L Microphone_Left Microphone
2 AGND Ground Ground
3 PORT1R Microphone_Right MIC Power
4 PRESENCE# -ACZ_DET N/A
5 PORT2R Line2_Right Line out (R)
6 SENSE1_RETURN AuD_R_Return N/A
7 SENSE_SEND FAUDIO_JD N/A
8 No Pin N/A N/A
9 PORT2L Line2_Left Line Out(L)
10 SENSE2_RETURN AuD_L_Return N/A
2/9-SFAN1/SFAN2(Fan Power Connectors Header)
SFAN1
：
System fan connectors
Pin No. Denition
1 GND
2 +12V
3 RPM
These fan connectors are not jumpers.
DO NOT place jumper caps on these
connectors.
1 2
910
F AUDIO_