Download Files
File Format: This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
File Name: M4800A09.exe
File size: 9.48 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 33cc9387af48307d7357a03f737422c4
SHA1: f45341e5c366dcbc6d2d7023b2775c75cca662a4
SHA-256: 1406c277e3000edef48df642c68cdea1f325469887cc75b12881c84a6d38cd4e
Fixes & Enhancements
Fixes:
- Addressed no warning message in DPM when attaching "Unable to Communicate" battery to system.
- Fixed SD/MMC card incorrectly showing as Express card in boot menu.
- Fixed LAN with PXE feature under Wake on LAN is not working as expected if the boot orders of other devices are higher than LAN's.
- Addressed WWAN Wireless Radio Control Disable token issue.
- Addressed some BT device can't be disabled in BIOS setup.
- Fixed display switch issue on DVI/CRT in BIOS setup menu.
- Addressed IRST being disabled when admin password is set.
- Addressed password bypass feature not functional when reboot.
- Fixed remote secure erase issue with hybrid/SSD drive.
- Fixed LCD keeps on with lid closed when secure boot is enable.
- Keyboard input improvement.
Enhancements:
- Updated Intel LOM PXE to version 1.5.50.
Supported Operating Systems
Installation instructions
BIOS Update Executable for Windows/DOS
Download
1. Click "Download File", to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.
Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment, if Legacy Boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment if UEFI Boot Mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Click "Apply", "Exit" to save changes and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS update finished, system will auto reboot .
8. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
9. Change "Legacy" to "UEFI" Boot Option.
10. Click "Apply", "Exit" to save changes and reboot system.
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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.
Reboot will be required