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ESM-2740/2743
30 ESM-2740/2743 User’s Manual
2.4.2 ETX Connector X1 (ETXA)
(Rear side)
Signal PIN PIN Signal
GND 1 2 GND
PCICLK3 3 4 PCICLK4
GND 5 6 GND
PCICLK1 7 8 PCICLK2
REQ3# 9 10 GNT3#
GNT2# 11 12 +3.3V
REQ2# 13 14 GTN1#
REQ1# 15 16 +3.3V
GNT0# 17 18 NC
+5V 19 20 +5V
SIRQ 21 22 REQ0#
AD0 23 24 +3.3V
AD1 25 26 AD2
AD4 27 28 AD3
AD6 29 30 AD5
CBE0# 31 32 AD7
AD8 33 34 AD9
GND 35 36 GND
AD10 37 38 AUXAL
AD11 39 40 MIC
AD12 41 42 AUXAR
AD13 43 44 ASVCC
AD14 45 46 SNDL
AD15 47 48 ASGND
CBE1# 49 50 SNDR
+5V 51 52 +5V
PAR 53 54 SERR#
GPERR# 55 56 NC
PME# 57 58 USB2#
LOCK# 59 60 DEVSEL#
TRDY# 61 62 USB3#
IRDY# 63 64 STOP#
FRAME# 65 66 USB2
GND 67 68 GND
AD16 69 70 CBE2#
AD17 71 72 USB3
AD19 73 74 AD18
AD20 75 76 USB0#
AD22 77 78 AD21
AD23 79 80 USB1#
AD24 81 82 CBE3#
+5V 83 84 +5V
AD25 85 86 AD26
AD28 87 88 USB0
AD27 89 90 AD29
AD30 91 92 USB1
PCIRST# 93 94 AD31
INTC# 95 96 INTD#
INTA# 97 98 INTB#
GND 99 100 GND