"unexpected status bit(s) 800000<PCIPERR>" and "PCI parity error" messages with twe and 3ware Escalade 7506-4LP

Francois Tigeot ftigeot at wolfpond.org
Fri Aug 27 02:13:25 PDT 2004

On Thu, Aug 26, 2004 at 07:08:35PM -0700, Darren Pilgrim wrote:
> First, let me apologize if this message is poorly formatted.  I'm stuck with
> using Outlook Express for the moment.  That said...
> I just installed a 3ware Escalade 7506-4LP with a pair of Western Digital
> 120GB as a RAID 1.  I booted from a 5.2-R CD, the controller was found, but
> seems to have a problem:
> twe0: <3ware 7000 series Storage Controller. Driver version>
> port 0xb800-0xb80f mem 0xe0000000-0xe07fffff,0xe0800000-0xe080000f irq 5 at
> device 9.0 on pci0
> twe0: PCI parity error: Reseat card, move card or buggy device present.twe0:
> 4 ports, Firmware FE7X, BIOS BE7X

There is a PCI interaction problem with some 3Ware cards. This seems awfully
close to what I saw with a 8506 and a Tyan mainboard.

Look at the following URL for details:


> The card is 32-bit, 33Mhz slot.  I don't have any 64-bit slots.  I already
> checked the clearance and the 64-bit tab isn't touching anything.  Card's
> version numbers from hitting Shift-F5 in the:

I have yet to see this problem with a regular PCI slot, though.

Francois Tigeot

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