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Date:	Fri, 29 Aug 2003 01:24:41 PDT7
From:	"Info 4 SYNass" <Info@SYNass.NET >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: What SCSI adapter to choose !?

Content Type: text/plain

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Hi Steven
Thanks for your interesting reply regarding my SCSI adapter choice !
One important aspect of choosing a dual channel SCSI adapter is
following:

I assume that it would be not bad to split in 2 different groups i.e.

Channel A: Scanner only
Channel B: Data Storage

At the moment I am not clear about using U160 in future !?

But it could make a sense to split my present units into 2 groups i.e =

Scanner and CD-ROM and =

HDD and MO drive !?

One point I dod not mention just now:

I am using SSI HHD Frames and Trays to be flexible between our =

systems. Like this I may have to re-consider using the same SCSI =

adapter in all of our systems !?

I am insecure if data are compatible or exchangable between these =

systems when the systems are having different SCSI units, ie. =

the existing AHA-2940AU and some newer ones i.e AHA-x9160 or =

any LSi units !?

Whats you advice ?

Thanks for your hints and have a nice weekend soon ;-)
svobi

=

steve53@earthlink.net on 28.08.2003 17.06.25
Please respond to scoug-help@scoug.com
To: scoug-help@scoug.com
cc: =

Subject: SCOUG-Help: What SCSI adapter to choose !?

In <1062071390-0-Info@SYNass.NET>, on 08/28/03 =

at 04:48 AM, "Info 4 SYNass" said:

>My considerations are going to Adaptec's AHA-29160 resp. 39160 or =

>something similar i.e. from LSi !?

I take it you are looking for something in the U160 range. The 29160
is a
good card. Both LSI and TekRAM have U160 cards. The TekRAM seems to be
especially popular in Europe. I don't know why.

>a SCSI scanner (external / fix)
>a Nakamichi 5 Disk CD-ROM Mini Changer MJ-5.16 (internal)
>a Fujitsu GigaMO 3 1/2" drive (internal)
>a SCSI (II) HDD

>What specific SCSI adapter shall I choose ?

Unless you are planning to upgrade the disk drives, a new SCSI card will
not make your system any faster.

Check the BIOS on the 2940s. If they have the option to run the bus at
20MB/Sec, they are Ultras. You can't go just by the silkscreen on the
card. If they are Ultras they are running the SCSI-II drive as fast a
it
will go.

>Where do I get accurate and maintained OS/2 drivers for this specific
>adapter ?

IIRC, the DDPak Online has drivers for all the card you mentioned:

http://www7.software.ibm.com/2bcprod.nsf/WebCat?OpenView

>Are HDD data from Adaptec controlled units compatible with this
specific
>one ?

All the cards you mentioned have a good reputation for quality and
compatibility.

Keep in mind that SCSI is supposed to be backwards compatible.

With proper cabling, you can run a slow drive on a fast adapter and visa
versa. You can also mix wide and narrow devices. Some of the devices
might not run at full speed but they will run.

Regards,

Steven

-- =

----------------------------------------------------------------------
"Steven Levine" MR2/ICE 2.37 #10183
Warp4/FP15/14.093c_W4
www.scoug.com irc.webbnet.info irc.fyrelizard.org #scoug (Wed 7pm PST)
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