Pinouts >  Motherboard connectors  >  Lenovo pinouts

12 pins connector at the mainboard
Header on Lenovo M55 motherboard for second RS-232 port (COM2) 11 pins (+1 missing)

As seen from above on motherboard:

    -------------------
    |  |09|07|05|03|01|
    -------------------
    |12|10|08|06|04|02|
    -------------------
Pin
Number		 Pin
Name

Pin Number

 Pin Name
1 DCD2 2 DSR2
3 RXD2 4 RTS2
5 TXD2 6 CTS2
7 DTR2 8 RI2
9 Gnd 10 COMM_B_DETECT
11 missing 12 NC

COMM_B_DETECT: Connect to GND pin 9 with 1kOhm resistor to enable COM2 in BIOS

Pinout status: +0 -0
There are no any reports for this pinout! You may rate this document by clicking the button below.

Is this pinout
NO DIY devices
1 Information source(s)
Copyright © 2000-2025 by pinouts.ru team, except user uploaded images.
No portion of this webpage may be reproduced in any form without visible link to pinouts.ru .
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.
Change privacy settings