Acer Veriton M275 Service Manual page 71

Jumper/Header Name
Internal speaker header
Intruder header
C_INTRUSION
COM2
63
INT_SPK
1 2
3
5 6
7 8
Header_2X4_K4
1
2
Header_1X2
COM2
1 2
3 4
5 6
7 8
9
X
Header_2X5_K10
Function
Audio internal speaker
header
Intruder header
COM2 HEADER (2X5)
Definition
14: NC
15: NC
16: SERIRQ
17: GND
18: CLKRUNin
19: LPCPDn
20: NC
1: MONO_L
2: GND
3: MONO_R
4: KEY
5: GND
6: GND
7: VCC3
8: VCC5
1: INTRUDERJ
2: GND
1: NDCDB
2: NSINB
3: NSOUTB
4: NDTRB
5: GND
6: NDSRB
7: NRTSB
8: NCTSB
9: NRIB
10:KEY
Chapter 5