Panel and Jumper Definition
32
AMR_EN1 & AMR_EN2: AMR Selection (Optional)
1
AMR_EN1
AMR_EN2
1
Please note:
7VTX: If M/B has hardware audio (CT5880), your modem riser has been set to
“Primary” automatically. No Jumpers AMR_EN1 & AMR_EN2 for 7VTX.
7VTX: AMR_EN1 & AMR_EN2: 2-3 close: If you don’t use onboard software
audio, your audio/modem riser must be “Primary”. Mainboard’s software audio will
be disabled. AMR_EN1 & AMR_EN2: 1-2 close: If you use software
audio(onboard CODEC only), your modem riser must be “Secondary”.
There are two kind of AMR/MR card in the market, Primary and secondary. If your
AMR/MR card is primary, AMR_EN1 & AMR_EN2 should be set to 2-3, if you
have secondary AMR/MR card AMR_EN1 & AMR_EN2 should be set to 1-2.
Warning! If Primary AMR/MR card is used, on-board audio will be disabled.
AMR_EN1 AMR_EN2
Primary CODEC
2-3 close
2-3 close AMR Primary
AC’97 Disabled
(Disabled Onboard
CODEC)
1-2 close
1-2 close AMR Secondary
(Default)
NB_FAN: NB Heat Sink FAN
Pin No. Definition
1 +12V
2 GND
1