HP dc73 Service Reference Guide - HP Compaq dc7800 Business PC - Page 212

52 PERp8 57 PERn9 53 PERN8 58 GND 54 GND 59 GND 55 GND 60 PERp10 76 PERp14 81 PERn15 77 PERn14 82 GND 78 GND 79 GND 80 PERp15 NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8 62 GND 63 GND 64 PERp11 65 PERn11 PCI Express x1, x4, x8, and x16 PCI Express Connector 67 GND 68 PERp12 69 PERn12 70 GND 72 PERp13 73 PERn13 74 GND 75 GND Pin B Pin Signal 1 +12V 2 +12V 3 RSVD 4 GND 5 SMCLK 26 GND 27 PETp3 28 PETn3 29 GND 30 RSVD 51 PETn8 Pin Signal 6 SMDAT 7 GND 8 +3.3 V 9 JTAG1 10 3.3vAux 31 PRSNT2# 32 GND 33 PETp4 34 PETn4 35 GND 56 GND Pin Signal 11 WAKE# 12 RSVD 13 GND 14 PETp0 15 PETn0 36 GND 37 PETp5 38 PETn5 39 GND 40 GND 61 GND Pin Signal 16 GND 17 GND 18 GND 19 PETp1 20 PETn1 41 PETp6 42 PRTn6 43 GND 44 GND 45 PETp7 66 PETp12 Pin Signal 21 GND 22 GND 23 PETp2 24 PETn2 25 GND 46 PETn7 47 GND 48 PRSNT2# 49 GND 50 PETp8 71 PETn13 200 Appendix A Connector Pin Assignments