Chapter 3
Hardware
26
Reference Manual
nanoX-TCR
A32
AC/HDA_BITCLK (Int. weak Pull-
Down)
B32
SPKR (HDA Speaker)
A33
AC/HDA_SDOUT
B33
I2C_CK
A34
BIOS_DISABLE# (PU 10k 3.3V S5
Standby)
B34
I2C_DAT
A35
THRMTRIP# (PU 1k 3.3V)
B35
THRM# (Over Temperature
- PU 1.2k 3.3V
S5 Standby)
A36
NC (Not Connected)
B36
USB7- (Client Port)
A37
NC (Not Connected)
B37
USB7+ (Client Port)
A38
USB_6_7_OC# (PU 10k 3.3V)
B38
USB_4_5_OC# (PU 10k 3.3V)
A39
USB4-
B39
USB5-
A40
USB4+
B40
USB5+
A41
GND
B41
GND
A42
USB2-
B42
USB3-
A43
USB2+
B43
USB3+
A44
USB_2_3_OC# (PU 10k 3.3V)
B44
USB_0_1_OC# (PU 10k 3.3V)
A45
USB0-
B45
USB1-
A46
USB0+
B46
USB1+
A47
VCC_RTC (VBAT)
B47
EXCD1_PERST# (Express Card Reset -
PU 10k 3.3V S5 Standby)
A48
EXCD0_PERST# (Express Card Reset -
PU 10k 3.3V S5
Standby)
B48
EXCD1_CPPE# (Express Card Capable
Request - PU 10k 3.3V
S5 Standby)
A49
EXCD0_CPPE# (Express Card
Capable Request - PU
10k 3.3V S5 Standby)
B49
SYS_RESET#
A50
LPC_SERIRQ (PU 10k 3.3V S5
Standby)
B50
CB_RESET# (Carrier Board Reset)
A51
GND
B51
GND
A52
NC (Not Connected)
B52
NC (Not Connected)
A53
NC (Not Connected)
B53
NC (Not Connected)
A54
GPI0
B54
GPO1
A55
NC (Not Connected)
B55
NC (Not Connected)
A56
NC (Not Connected)
B56
NC (Not Connected)
A57
GND
B57
GPO2
A58
P (Occupied by Gb
Ethernet - PCIE1
of CPU)
B58
P (Occupied by Gb
Ethernet - PCIE1
of CPU)
A59
PCIE3_TX- (Occupied by
Gb Ethernet -
PCIE1 of CPU)
B59
PCIE3_RX- (Occupied by Gb
Ethernet - PCIE1
of CPU)
A60
GND
B60
GND
A61
P (Occupied by PCH - PCIE0) B61
P (Occupied by PCH - PCIE0)
Table 3-5. COM Express A-B Connector Signal Descriptions (Continued)