Acer Veriton M490G - Page 72

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