Flash BIOS update - CD-ROM ISO image version for ThinkCentre M600 Version M00KT66A Installation README This package updates the basic input/output system (BIOS) on all ThinkCentre M600 systems. BIOS is programming that controls low-level hardware operations, including interactions with diskette drives, hard disk drives, and the keyboard. The BIOS is stored on a chip. Your computer uses flash BIOS, which can be updated through a program on a flash diskette so that you do not have to replace the BIOS chip to update the BIOS. Do not write protect the flash diskette as this may cause the flash process to hang. Print this file so that you can refer to it during the installation. Important Note ============== Installing this update involves creating a BIOS flash CD and running the flash program from the CD. You must have access to a CD-R or CD-RW drive and CD-R software which is capable of creating a CD from an ISO image. Downloading the package ======================= 1. Click the file link to download the file from the web page. 2. When prompted, select a drive and directory in which to save the downloaded file. Create the bootable CD ====================== Create a CD from the CD ISO file, m00j966usa.iso. Use your CD-R software's feature for creating a CD from an ISO image; RecordNow! calls this feature "Burn Image". Refer to the help provided with your CD-R software for further assistance. Installing the package ====================== 1. Please make note of any settings you have changed in the BIOS Setup utility. They may have to be re-entered after updating the BIOS. 2. Use the flash update program by putting it in a DOS bootable memory key, or creating a CD with the ISO image. Power up the system and make sure the device with the flash program is selected as a boot device. 3. The current BIOS level on the computer is compared to that of the flash update. If the levels are the same, or the level on the update is older than the ROM, a message is displayed stating "BIOS ROM file is older than (or same as) BIOS ROM image. Continue anyway? (y/n)", type in 'y'. 4. Update may take up to 2 minutes. Do not power off or restart the system during this procedure! 5. After the flash update is complete, system will automatically reboot. Don't forget to remove the flash device or you may be got your BIOS re-updated. Note: If your system boots back to a 1962 POST error or displays a picture of a diskette on the screen, enter the Setup utility by pressing F1 during startup and change the Startup options to include your hard drive. Summary of Changes ================== General Information: M00J9xxUSA is Flash CD ROM image. M00JTxxUSA is Flash in DOS zip package. M00JYxxUSA is Flash in Windows utility. M00KTxxA is the binary image. (BIOS) NOTE: All changes carry forward. That is, if a change is added in 01,it is also in 02, 03 etc. CHANGES for M00KT66A -Enhancement to address security vulnerability. CHANGES for M00KT65A -Enhancement to address security vulnerability. CHANGES for M00KT64A -Enhancement to address security vulnerability. CHANGES for M00KT63A -Enhancement to address security vulnerability. -Update UEFI DIAG to 4.11. CHANGES for M00KT62A -[Important] Update includes security fixes. -Update UEFI DIAG to 4.08. CHANGES for M00KT61A -[Important] Update includes security fixes. CHANGES for M00KT60A -[Important] Update includes security fixes. CHANGES for M00KT59A -[Important] Update includes security fixes. -Fix event log cleared issue. CHANGES for M00KT58A -Maintenance Release. CHANGES for M00KT57A -Enhancement to address CVE-2017-5715 (http://www.cve.mitre.org/cgibin/cvename.cgi?name=2017-5715). CHANGES for M00KT56A -Maintenance Release. CHANGES for M00KT55A -[Important] Update includes security fixes. -Fix USB 3.0 Card Reader issue. CHANGES for M00KT54A -[Important] Update includes security fixes. CHANGES for M00KT53A -Enhance SATA support. CHANGES for M00KT52A -Fixes IPv4 cannot be set above IPv6 in the Boot Sequence. CHANGES for M00KT51A -Maintenance Release. CHANGES for M00KT50A -[Important] Update includes security fixes. CHANGES for M00KT49A -[Important] Update includes security fixes. -Update WMI function. CHANGES for M00KT48A -[Important] Update includes security fixes. -Adjust some setup item behavior. CHANGES for M00KT47A -Update Embedded UEFI Diagnostics Tool v02.09.09 CHANGES for M00KT46A -[Important] Update includes security fixes. -Change the POST 0199 error behavior. CHANGES for M00KT45A -[Important] Update includes security fixes. -Update Embedded UEFI Diagnostics Tool v02.09.08 CHANGES for M00KT42A -Initial Production BIOS release Trademarks ========== ThinkCentre is a trademark of the Lenovo Corporation in the United States, other countries, or both. Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, product, and service names may be trademarks or service marks of others. THIS DOCUMENT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. LENOVO DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY WITH RESPECT TO THE INFORMATION IN THIS DOCUMENT. BY FURNISHING THIS DOCUMENT, LENOVO GRANTS NO LICENSES TO ANY PATENTS OR COPYRIGHTS. (C) Copyright Lenovo Corporation 2021, all rights reserved.