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Re: How to get PM3334UW's to work at 20MB/sec

daemon@ATHENA.MIT.EDU (David Wuertele)
Thu Sep 25 13:41:35 1997

To: linux-raid@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
From: David Wuertele <dave@bfnet.com>
Date: 	24 Sep 1997 16:50:23 -0700
In-Reply-To: Andy Poling's message of Tue, 23 Sep 1997 00:26:51 -0400 (EDT)

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?  Is my
firmware up to date?

Yoroshiku,
Dave

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