On Friday, November 1, 2002, at 02:25 AM, Howie S wrote:

> on 11/1/02 1:52 AM, PLM at [EMAIL PROTECTED] wrote:
>
>> While waiting for  "help" I was able to determine that  "SCSI Probe"
>> didn't give me enough info
>> to correct my problem, I had forgotten about Adaptec's PowerDomain
>> Controller, It does a better
>> job of illustrating the card 2930CU.  the 2 CD Drives and an Epson
>> Perfection1200S scanner connected
>> externally, the problem that I'm having is I still can't boot from
>> either drive, the Matshita or Yamaha
>> The card has a Jumper to terminate, but I don't know if I must also
>> terminate both CD's as well, have
>> you had experience with this SCSI card? And as Alan suggested do I 
>> gain
>> performance rather than
>> using MoBo SCSI? I've tried this and that I'm exhausted, HELP Thanks,
>
> Hi Phil,
>
> Only the last physical device on any SCSI bus should be terminated. 
> Other
> devices should have the "self-termination" pins/jumpers removed. Given 
> the
> proper hard drives, that SCSI card will greatly outperform the 
> internal SCSI
> bus on your S900. (see Jeff Walthers reply)
>
> Here's a couple of really good url's that you should peruse...
> http://www.macworld.com/1999/08/features/scsitable.html
> and...
> http://www.macworld.com/1999/08/features/scsi.html
>
> Booting from your CDROM drives is another issue altogether I think.
> Providing you have appropriate drivers, you may want to try the "C" key
> (which never worked for me), or using the "command/option/shift & 
> delete"
> keys at startup. That last combination was the only thing that ever 
> allowed
> me to boot from a CD with both my Matsushita, and my Pioneer CDROM 
> drives.
>
> The drivers issue is a big one. An Apple System Install CD that boots
> wonderfully on an Apple PPC computer may not work on an S900. If the 
> S900
> had an Apple ROM'ed CDROM drive it would be fine, but the Matsushita 
> didn't
> allow that, and who knows whether any given Yamaha drive will work 
> either.
> Since the CD driver is embedded on the CD being used to boot from, an
> incompatible drive isn't supported by that same driver, and booting 
> fails. I
> can't think of a topic that's been discussed more consistently about 
> UMAX
> Supermacs, than that issue of the Matsushita drive, the drivers 
> required,
> and the bootability.
>
> -Howie

Howie and Jeff, "As Always...." I set up this 3rd machine in my 
basement,
offiice/guest room as a way to learn a little more about "networking" 
its been
fun.  I often forget about "what I've learned from this list" and I 
struggle a bit
more than I have to... I even have 2 old copys of the "Macintosh Bible"
that I have forgotten about.

Howie, thanks for those links I'll be reading.  Its interesting what 
you mentioned
about "bootability" I've always assumed the Matshita CR-506 was "not an 
issue"
because I can boot from this drive from Mobo with no problem.
  "C"key or "Shift Option Control Delete" combinations. In setting up 
this S900,
I'm using 9.2.2, I cloned the drive and installed. In doing this I 
found an extension
conflict that may be another part of my problem here, "Toast CD Reader"
I'm checking this out.

My reasons for using the Adaptec 2930CU, were simply because, I too was 
given
a B&W G3 sometime ago and removed the card for possible use in the 
Umax's
and I wanted to understand  SCSI.

Jeff W... the PowerDomain Controller from Adaptec gives me control over 
"SCSI
speed", but am I seeing any real benefit to the devices that are 
attached?
CD drives and a scanner?

And Jaquar...I am having a lot of fun (S900#1) and 9.2.2 (S900#2) via 
KVM switch
a lot of discussion here, about Jaquar, very cool, a side note.. I have 
never had success
loading OSX on an IDE drive and I have tried!!! Apple Restore or Carbon 
Copy has
been my only method. SCSI to IDE.

Question.. Diagnostic software for Jaquar... Listers what are you using?
I need suggestions, I have a old copy of Alsoft's DiskWarrior I need to 
upgrade
Please, Thank-you  Phil Meza



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