Acer Aspire M1100 Service Manual page 90

Jumper/Header Name
COM1, COM2
INTERNAL SPEAKER
HEADER
80
Function
COM Port Header
Yellow is symbol, Red is Pin1 of symbol
AUDIO INTERNAL SPEAKER
HEADER
Yellow is symbol, Red is Pin1 of symbol
Definition
1: NDCD
2: NSIN
3: NSOUT
4: NDTR
5: GND
6: NDSR
7: NRTS
8: NCTS
9: NRI
10: KEY
1: MONO_L
2: GND
3: MONO_R
4: KEY
5: GND
6: GND
7: VCC3
8: VCC5
Chapter 5