Booting from USB 3.0 card?

Synomenon

Lifer
Dec 25, 2004
10,547
6
81
I have a Zotac H55ITX-A-E motherboard. It has a mini-PCIe slot which conforms to the PCI-SIG's PCIe Base Specification 2.1. I purchased a mini-PCIe USB 3.0 card:
http://www.commell.com.tw/Product/Peripheral/PCI Express mini card/MPX-7202.HTM

and am using it on this motherboard. My case is a LianLi PC-Q08 which has two front USB 3.0 ports. When in Windows, the ports work as they should. However, when I go to the boot selection screen after POST, none of my bootable USB flash drives appear when connected to either of the USB 3.0 ports.

They do appear when connected to any of the USB 2.0 ports on the motherboard though.

Does USB 3.0 not support booting from USB flash drives? I have checked my BIOS and have set it to be able to boot from USB flash drives.

Also, when any USB flash drive is connected to any of the USB 2.0 ports on the motherboard, they're listed as hard drives in the BIOS, but when connected to either of the USB 3.0 ports, they're not listed at all.

Anyone know why this is happening?


Also, Windows 7 Ultimate x64 didn't have USB 3.0 drivers built in. Anyone know where I can download the latest USB 3.0 drivers? The card I have uses a NEC D720200F1 USB 3.0 chip.
 

VirtualLarry

No Lifer
Aug 25, 2001
56,570
10,204
126
It sounds like the USB3 add-in card doesn't have a BIOS, or if it does, it doesn't support the BBS specification, like my Promise UltraATA controller card does.
 

Synomenon

Lifer
Dec 25, 2004
10,547
6
81
Do most USB PCI / PCI-express cards have their own BIOS?I have other desktop PCs. One has a PCIe 1x USB 2.0 card and the other has a PCI USB 2.0 card.I can boot from a USB flash drive connected to either of those cards.