Which of the following is the correct procedure to update the BIOS on LS42 blades without using the AMM?（）

• A、Insert the Update eXpress Service Pack Installer (UXSPI) CD, boot the LS42 blade and follow the prompts 
• B、Boot the blade to the Bootable Media Creator (BoMC) CD and follow the prompts 
• C、Press F1 when the LS42 system is booting, select Update BIOS, insert the diskette into the diskette drive, and select OK 
• D、Use the Remote Supervisor Adapter virtual disk