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Pin
Signal
A20
SATA0_RX-
A21
GND (FIXED)
A22
SATA2_TX+
A23
SATA2_TX-
A24
SUS_S5#
A25
SATA2_RX+
A26
SATA2_RX-
A27
BATLOW#
A28
ATA_ACT#
A29
HDA _SYNC
A30
HDA _RST#
A31
GND (FIXED)
A32
HDA _BITCLK
A33
HDA _SDOUT
A34
BIOS_DIS0#
A35
THRMTRIP#
A36
USB6-
A37
USB6+
A38
USB_6_7_OC#
A39
USB4-
A40
USB4+
A41
GND (FIXED)
A42
USB2-
A43
USB2+
A44
USB_2_3_OC#
A45
USB0-
A46
USB0+
A47
VCC_RTC
Chapter 2 – Hardware Information
Pin
Signal
B20
SATA1_RX-
B21
GND (FIXED)
B22
SATA3_TX+
B23
SATA3_TX-
B24
PWR_OK
B25
SATA3_RX+
B26
SATA3_RX-
B27
WDT
B28
HDA_SDIN2(NC)
B29
HDA _SDIN1
B30
HDA _SDIN0
B31
GND (FIXED)
B32
SPKR
B33
I2C_CK
B34
I2C_DAT
B35
THRM#
B36
USB7-
B37
USB7+
B38
USB_4_5_OC#
B39
USB5-
B40
USB5+
B41
GND (FIXED)
B42
USB3-
B43
USB3+
B44
USB_0_1_OC#
B45
USB1-
B46
USB1+
B47
EXCD1_PERST#
15
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