Subject: Re: PCI problem with 21164PC system
To: None <>
From: Andreas Johansson <>
List: port-alpha
Date: 08/06/1998 09:34:17
On Tue, 4 Aug 1998, Andreas Johansson wrote:

> Hi!
> I have a problem with my 21164PC system. It seems that the SRM (v5.1)
Ooops, make that v5.2 (the latest).

> doesn't initiate the LT register for the pci devices. I have one NCR875
> and two 21140's. The latency timers were set to 0, and this means that
> incredibly large dma transfers takes place on the pci bus causing several 
> ugly things in the system.

BTW, I don't think that LT=0 should lead to large DMA transfers according
to the PCI spec, but it surely seems to. Anyway, LT should be 0 when the
system comes up, and we can't change the SRM's behaviour I guess.