User`s manual

Functional Description 41
cPCI-3920
CN4 Pin Assignment
Table 3-9: Board-to-Board Connector Pin Definition
SIGNAL PIN PIN SIGNAL
GND 1 2 LPC_FRAME#
USB3-D- 3 4 LPC_AD[3]
USB3-D+ 5 6 LPC_AD[2]
GND 7 8
LPC_AD[1]
USB2_D- 9 10 LPC_AD[0]
USB2_D+ 11 12 PCIRST
GND 13 14 CLK33
SATA0_RX- 15 16 GND
SATA0_RX+ 17 18 +5V
GND 19 20 +5V
SATA0_TX+ 21 22 +5V
SATA0_TX- 23 24 GND
GND 25 26 +3.3V
USB3_PWR 27 28 +3.3V
USB2_PWR 29 30 B2B_IN#
LPC_LDRQ0# 31 32 KB_CLK
A20GATE 33 34 KB_DAT
SERIRQ# 35 36 MS_CLK
KBD_RST# 37 38 MS_DAT
CPU_PWRGD 39 40 BPM[0]#
XDP_DBRESET# 41 42 BPM[1]#
TDI 43 44 BPM[2]#
TMS 45 46 BPM[3]#
TRST# 47 48 BPM[4]#
TCK 49 50 BPM[5]#
TDO 51 52 CPU_RST#
+1.05V 53 54 Reserved
+1.5V 55 56 Reserved
CLK100_ITP+ 57 58 Reserved
CLK100_ITP- 59 60 Reserved