Acer Veriton M490G Service Manual page 72

INT_SPK: Internal speaker
Pin
1 Output_L
3 Output_R
5 GND
7 N/A
OBR: Button recovery jumper
PRINTER: Oboard parallel port header
Pin
STROBE
1
3 PD1
5 PD3
7 PD4
9 PD7
11 BUSY
13 SLCT
15 ERROR
17 SLCTIN
19 Ground
21 Ground
23 Ground
25 Ground
TPM: TPM Module Header
This header allows user to protect the PC from impermissible visit.
Pin
1 CK_P_33M_TPM
3 FWH4
5 PCIRST_L1
7 PCIRST_L1
Chapter 5
Signal Name
Pin
OBR
1
2 GND
Signal Name
Signal Name
Pin
2 GND
4 Ground
6 GND
8 VCC
Signal Name
Pin
2 PD0
4 PD2
6 PD4
8 PD6
10 ACK
12 PE
14 ALF
16 INTT
18 Ground
20 Ground
22 Ground
24 Ground
26 NC
Pin
2 GND
4 NC
6 SMBDATA
8 FWH2
Signal Name
Signal Name
Signal Name
64