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7.9. Front Panel Connector (FRONTPNL) (J23)
Front panel connector Pinout
Note
Pull
Ioh/Iol
U/D
25/25 mA
4.7 KΩ
Signal
USB4_5 V and USB5_5 V
USB4+/USB4-
USB5+/USB5-
+5 V
SATA_LED#
SUS_LED
PWRBTN_IN#
RSTIN#
LINE2
MIC2
SB3V3
AGND
Available cable kit:
PN 821042 Cable Front Panel Open-End, 300 mm
www.kontron.com
Type
Signal
PWR
USB4_5 V
USB4-
USB4+
PWR
GND
NC
NC
PWR
+5 V
O
SATA_LED#
PWR
GND
I
RSTIN#
PWR
SB3V3
PWR
A_GND
AI
MIC2-L
Description
5 V supply for external devices. SB5V is supplied during power down to allow wakeup on
USB device activity. Protected by active power switch 1A fuse for each USB ports.
Universal Serial Bus Port 8 Differentials: Bus Data/Address/Command Bus.
Universal Serial Bus Port 11 Differentials: Bus Data/Address/Command Bus.
Maximum load per pin is 1 A (using IDC connector) or 2 A (using crimp terminals).
SATA Activity LED (active low signal). 3V3 output when passive.
Suspend Mode LED (active high signal). Output 3.3 V via 470Ω.
Power Button In. Toggle this signal low to start the ATX / BTX PSU and boot the board.
Reset Input. When pulled low for a minimum 16ms, the reset process will be initiated. The
reset process continues even though the Reset Input is kept low.
Line2 is second stereo Line signals
MIC2 is second stereo microphone input.
Standby 3.3 V voltage
Analogue Ground for Audio
PIN
Signal
1
2
USB5_5 V
3
4
USB5-
5
6
USB5+
7
8
GND
9
10
LINE2-L
11
12
+5 V
13
14
SUS_LED
15
16
PWRBTN_I#
17
18
GND
19
20
LINE2-R
21
22
A_GND
23
24
MIC2-R
mITX-BDW-U – User Guide, Rev. 1.6
Type
Ioh/
Pull
Iol
U/D
PWR
PWR
PWR
O
7 mA
I
1.1 KΩ
PWR
PWR
AI
Note
// 36
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