Intel 945G User Manual - Page 43

Intel® 945G Express Chipset Development Kit User's Manual Hardware References 4.2.2.2 Table 17 PCI Express* x16 / MEC Slot The PCI Express x16 slot is following the industry PCI Express x16 connector standard. Table 17 shows the signals for PCI Express x16 or MEC (sDVO). Intel® sDVO to PCI Express* Connector Mapping for MEC Cards Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Side B Side A PCI Express Function 12 V 12 V RSVD GND SMCLK SMDAT GND 3.3 V JTAG1 (TRST#) 3.3 VAUX WAKE# RSVD GND PET0+ (or PETp0) PET0- (or PETn0) GND PRSNT2# GND PET1+ (or PETp1) PET1- (or PETn1) GND GND PET2+ (or PETp2) PET2- (or PETn2) GND GND PET3+ (or PETp3) PET3- (or PETn3) GND sDVO/MEC Function PCI Express Function 12 V PRSNT1# 12 V 12V RSVD 12V GND GND NC JTAG2 (TCK) NC JTAG3 (TDI) GND JTAG4 (TDO) 3.3 V JTAG5 (TMS) NC 3.3 V 3.3 VAUX 3.3 V WAKE# PERST# Key RSVD GND GND REFCLK+ PET0+ (or PETp0) REFCLK- PET0- (or PETn0) GND GND PER0+ (or PERp0) sDVO_CtrlClk PER0- (or PERn0) GND GND End of x1 Connector NC RSVD NC GND GND PER1+ (or PERp1) GND PER1- (or PERn1) NC GND NC GND GND PER2+ (or PERp2) GND PER2- (or PERn2) NC GND NC GND GND PER3+ (or PERp3) sDVO/MEC Function NC 12V 12V GND NC JTAG3 (TDI) JTAG4 (TDO) NC 3.3 V 3.3 V PERST# GND REFCLK+ REFCLKGND PER0+ (or PERp0) PER0- (or PERn0) GND RSVD GND NC NC GND GND NC NC GND GND NC Reference #308823 43