Date: Wed, 16 Jun 2004 09:35:36 +0100 From: Ian Dowse <iedowse@maths.tcd.ie> To: Daniel O'Connor <doconnor@gsoft.com.au> Cc: freebsd-current@freebsd.org Subject: Re: USB HP Scanjet 5200C kills my USB ports Message-ID: <200406160935.aa69753@salmon.maths.tcd.ie> In-Reply-To: Your message of "Wed, 16 Jun 2004 15:10:14 %2B0930." <200406161510.35187.doconnor@gsoft.com.au>
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In message <200406161510.35187.doconnor@gsoft.com.au>, Daniel O'Connor writes: >On Wed, 16 Jun 2004 14:16, Daniel O'Connor wrote: >> When I try and plug my scanner into to my laptop, it works, but once I >> unplug it, the USB port is no longer useful - it detects nothing when a >> device (I've tried the scanner and a trackball) is plugged in. >uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0xbf80-0xbf9f irq 11 at device 29.0 on pci0 There have been reports that turning off a "Legacy USB" or similar setting in the BIOS will help on this chipset. The UHCI driver does attempt to disable legacy support in the hardware (search for PCI_LEGSUP for details), but it seems that it needs to do more. Ian
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