Will I be able to update bios without a cpuYou will need to make sure you have the latest bios in order to post.
With the wrong bios, the 9600k won't post at all.
No, that board does not support usb bios flashback.Will I be able to update bios without a cpu
No. You will need an 8th gen cpu to update the bios if you have an unsupported revision.Will I be able to update bios without a cpu
Another option would be to take it to a local shop and have them do it. That maybe cheaper than an 8th gen Celeron.No. You will need an 8th gen cpu to update the bios if you have an unsupported revision.