Abysmal performance on external usb drive

Peter Jeremy PeterJeremy at optushome.com.au
Fri Jan 13 23:29:06 PST 2006

On Fri, 2006-Jan-13 15:26:57 -0800, Dread Pirate Mal wrote:
>Actually, I missed a line before; there IS a 'none' entry in pciconf. Here's
>the relevant  spammage:
>uhci0 at pci0:31:2:        class=0x0c0300 card=0x57448086 chip=0x24428086
>rev=0x05 hdr=0x00
>    vendor   = 'Intel Corporation'
>    device   = '82801BA/BAM (ICH2/ICH2-M) USB Universal Host Controller'
>    class    = serial bus
>    subclass = USB
>none0 at pci0:31:3:        class=0x0c0500 card=0x57448086 chip=0x24438086
>rev=0x05 hdr=0x00
>    vendor   = 'Intel Corporation'
>    device   = '82801BA/BAM (ICH2/ICH2-M) SMBus Controller'
>    class    = serial bus
>    subclass = SMBus

That's the SMB controller (see smb(4) and smbus(4)) - nothing to do with USB.

>uhci1 at pci0:31:4:        class=0x0c0300 card=0x57448086 chip=0x24448086
>rev=0x05 hdr=0x00

There's nothing that looks like a USB2 device in your list - echi(4)
only lists ICH{4,5,6,7} as supported and the PCI class would be 0x0c0320
if it supported USB2.  I think you're out of luck, sorry.

Peter Jeremy

More information about the freebsd-current mailing list