how to I update the bios on my dell t3500 if i'm running esxi 5.1?

hi experts,

 i have a dell t3500 and I need to update the bios from a03 to a17. How do I do it if I don't have a windows OS? I just have ESXI 5.1 installed.
frankbustosAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
1. Download the BIOS to a Bootable CDROM/USB flash drive.

2. Shutrdown and Restart ESXi Host OS Server

3. Boot from CDROM or USB flash drive.

4. Update BIOS.

You CANNOT Update the computer BIOS from ESXi 5.1. (it's not Linux!).

You will need to schedule downtime, and a server reboot.

Make sure you backup all your VMs! Before reconfiguring your server.
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Gary CaseRetiredCommented:
There are 2 ways you can do this.   Note that Dell has two formats for the BIOS update -- one for Linux;  one for Windows/DOS.

http://www.dell.com/support/drivers/us/en/555/DriverDetails/Product/precision-t3500?driverId=R318809&osCode=WV64&fileId=2731122008&languageCode=en&categoryId=BI#OtherFormats

You can either create a DOS bootable floppy or USB stick; then use the DOES executable from Dell (T3500A13.exe) ;  or you can boot to a Linux CD (e.g. Knoppix) and use the Linux executable (T3500A13.bin), which you could put on a flash drive.
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Seth SimmonsSr. Systems AdministratorCommented:
you might not be able to go from A3 directly to A17; it might require going to a version somewhere in the middle first before A17.  when you run it, it will tell you that you need to be at a certain version before going to A17

seeing as how you are running an unsupported operating system it will be a bit of hassle if you have to jump incrementally to different versions but is likely doable
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Nick RhodeIT DirectorCommented:
Simple really.  I followed this guide to create the bootable flash drive

http://www.sevenforums.com/tutorials/46707-ms-dos-bootable-flash-drive-create.html

Download the BIOS update you want and rename it to something simple (like 3500.exe), copy it onto the flashdrive.  Plug it into the ESXi host, boot to it and type the name of the BIOS file and it will start

**You have A3 so you might get an error stating it needs to be like A4 or A5 in order to jump to A17.
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frankbustosAuthor Commented:
thanks!
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