Subject: Re: Adaptec 2830 adn 2940 Cards
To: John Klos <john@sixgirls.org>
From: Niels S. Eliasen <nse@mac.com>
List: port-macppc
Date: 07/27/2003 13:57:26
mmmmm...
Does this only work for the  2940UW cards or is it possible to do with=20=

the 2930 cards as well ?

s=F8ndag 27. jul 2003 kl. 07:29 skrev John Klos:

> Hi,
>
>> My experience with this problem is that a boot rom is needed.  I =
can't
>> even boot my 7500 with Mac OS 8.5 from an Adaptec 2940 controller
>> because it lacks the boot rom.
>>
>> I was not aware of the "write-back cache enabled item", though.
>
> No, this isn't the issue. Having Apple firmware on the card allows it=20=

> to
> run at full speed; before I flashed the 2940UW, it would obviously not
> boot, but NetBSD would initialise it just fine, but at 20 MB/sec. With=20=

> the
> firmware, NetBSD gets the card already set up so that 40 MB/sec is
> possible.
>
> Whether or not one can boot is not the issue I was raising. My issue =
is
> about whether Adaptec cards are usable at all in NetBSD release for=20
> more
> than just a trivial amount of disk traffic.
>
> BTW - you can download the firmware updater and install Apple firmware
> right over i386 firmware if you like.
>
> John Klos
> Sixgirls Computing Labs
>
>
mvh/kind regards
Niels S. Eliasen
H=F8rhavevej 1
DK-4250, Fuglebjerg
Tel/Cell: +45 46 32 85 27 +45 21 77 95 90
mailto:Niels.Eliasen@delfi-konsult.com