Lenovo COM2 header pinout diagram @ pinoutguide.com.pdf

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Lenovo COM2 header pinout
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motherboard connector pin assignment
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Is this pinout
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Motherboard header on Lenovo M82 for a second serial RS-232 port (COM2) 15 pins (+1
missing)
16 pins connector at the motherboard
As seen from above on motherboard:
incorrect
NO
DIY devices
1
Information source(s)
English Community-Lenovo Community
Pin
Number
1
3
5
7
9
11
13
15
Pin
Name
+12
DCD2
RXD2
TXD2
DTR2
Gnd
EXT_RI2
NC
Pin Number
Pin Name
2
4
6
8
10
12
14
16
-12
DSR2
RTS2
CTS2
RI2
COMM_B_DETECT
+5V
Gnd
COMM_B_DETECT: Connect to GND to enable COM2 in BIOS
Contributor(s): Georgi Georgiev
Last updated 2022-08-01 08:53:35.
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