[2539] in linux-scsi channel archive
Re: How to get PM3334UW's to work at 20MB/sec
daemon@ATHENA.MIT.EDU (Michael Neuffer)
Fri Sep 26 01:24:18 1997
Date: Thu, 25 Sep 1997 23:27:12 +0200 (MET DST)
From: Michael Neuffer <neuffer@goofy.zdv.Uni-Mainz.de>
To: David Wuertele <dave@bfnet.com>
cc: linux-raid@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
In-Reply-To: <ygeen6eb7b4.fsf@wave.bfnet.com>
On 24 Sep 1997, David Wuertele wrote:
> Andy Poling <andy@realbig.com> writes:
>
> > > How do I switch this to 20MB/sec?
> > > I didn't see any option in the DOS manager program for increasing the bus
> > > speed.
> >
> > You set it in the POST controller firmware menu that you can invoke as the
> > system is booting.
>
> OK, I tried that. I hit Ctl-D during the boot and got the firmware setup
> menu. It allowed me to choose between 5, 8, 10, and 20 MB/sec, and it was
> already set on 20, which I re-selected. However, after booting, I see the
> following:
>
> [root@host]# cat /proc/scsi/eata_dma/1
> EATA (Extended Attachment) driver version: 2.59b
>
> <snippage>
>
> scsi1 : HBA PM3334UW
> Firmware revision: v07H.4
> Hardware Configuration:
> IRQ: 11, level triggered
> DMA: BUSMASTER
> CPU: MC68040 20MHz
> Base IO : 0xd810
> Host Bus: PCI
> SCSI Bus: WIDE Speed: 10MB/sec.
>
> <snippage>
>
> [root@cave Incoming]#
>
> So, what's that "10MB/sec" doing there? Is my driver up to date?
It is just that the driver isn't reporting the correct value here.
If I have a few less emergencies at customer sites to deal with in the
next few days I'll publish an update on the linux-eata mailing list.
This week I got reafirmed once again in my conviction that using NT
an any mission critical environment is suicidal........
> Is my
> firmware up to date?
No. DPT has published newer firmware.
It is probably not a bad idea to update it.
Mike
