Product Support For
H81M-CSFind Another Model
By registering your device, you can easily manage your product warranty, get technical support and keep track of your repair status.
Upgrade Warranty: Here.
* Please note that the availability of the Premium Care product lines might differ by country.
Register Product
  • CPU / Memory Support
  • FAQ
  • Manual & Document
  • Warranty
  • More Service

BIOS & FIRMWARE

  • Driver & Tools
  • BIOS & FIRMWARE

BIOS
H81M-CS BIOS 3602
Version 3602
5.02 MB
2018/04/12

1. Update CPU Microcode
2. Improve system security and stability

DOWNLOAD
SHOW MORE DESCRIPTION
H81M-CS Bate BIOS 3601
Version 3601
Beta Version
5.02 MB
2018/01/03

1. Update CPU microcode to 0x23.

DOWNLOAD
SHOW MORE DESCRIPTION
H81M-CS BIOS 0501
Version 0501
5.01 MB
2016/05/25

Improve system stability

DOWNLOAD
SHOW MORE DESCRIPTION
H81M-CS BIOS 0402
Version 0402
5.01 MB
2015/08/17

Improve system stability.

DOWNLOAD
SHOW MORE DESCRIPTION
H81M-CS BIOS 0401
Version 0401
5 MB
2015/03/20

Support ASUS USB 3.1 PCIE add-on card

DOWNLOAD
SHOW MORE DESCRIPTION
H81M-CS-SI BIOS 0304
Version 0304
5 MB
2014/12/15

Improve system stability.

DOWNLOAD
SHOW MORE DESCRIPTION
H81M-CS BIOS 0302
Version 0302
4.96 MB
2014/08/08

First release Bios

DOWNLOAD
SHOW MORE DESCRIPTION
Show all
Product has High-Definition Multimedia Interface.
  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
  • PCB color and bundled software versions are subject to change without notice.
  • Brand and product names mentioned are trademarks of their respective companies.
  • The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.