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COM Express
™
PORTWELL PCOM-B700G User's Guide
Copyright © PORTWELL 2018 PCOM-B700G User's Guide
49
B97
SPI_CS#
Chip select for Carrier Board SPI -
maybe sourced from chipset SPI0
or SPI1
O
CMOS
3.3V Suspend / 3.3V
-
-
B98
NCSI_ARB_IN
NC-SI hardware arbitration input.
I
-
3.3V Suspend / 3.3V
PD 10k
ohm
-
B99
NCSI_ARB_OUT
NC-SI hardware arbitration output.
O
-
3.3V Suspend / 3.3V
PU 10K to
1.05V
-
B100
GND(FIXED)
GND(FIXED)
-
-
-
-
-
B101
FAN_PWNOUT
Fan speed control. Uses the Pulse
Width Modulation (PWM)
technique to control the fan’s RPM
O
CMOS
3.3V / 12V
PU 10K to
3.3V
-
B102
FAN_TACHIN
Fan tachometer input for a fan with
a two pulse output.
I
CMOS
3.3V / 12V
PU 10K to
3.3V
-
B103
SLEEP#
Sleep button. Low active signal
used by the ACPI operating
system to bring the system to
sleep state or to wake it up again.
I
CMOS
3.3V Suspend / 12V
PU 10K to
3VSB
-
B104
VCC_12V
Primary power input: +12V
nominal.
-
PWR
+12V
-
-
B105
VCC_12V
Primary power input: +12V
nominal.
-
PWR
+12V
-
-
B106
VCC_12V
Primary power input: +12V
nominal.
-
PWR
+12V
-
-
B107
VCC_12V
Primary power input: +12V
nominal.
-
PWR
+12V
-
-
B108
VCC_12V
Primary power input: +12V
nominal.
-
PWR
+12V
-
-