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