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 scsi cdrom install on wd disks

hi folks,

i know that back in 3.2.4.x days, installing ide disk-based hosts
from a scsi cdrom wasnt supported, but i thought with os 5 that
was resolved? i am trying to install 5.0.2

i have such an 166Mhz mb with and ide drive(2mb) and i have tryed
an 1542 as well as an 2940 (these both worded with the cdrom in question
before the reinstall requirement), i have tryed all manner of
defbootstr's including

Srom=alad(0,5,0)  
Srom=ad(0,5,0)
adapter=alad(0,0,0) its pci
adapter=ad(0x330,12,5)

in combination and separately.  the boot time printcfg()'s do correctly
see the controllers, just when i try to tell the install where to ge the
cdrom, it doesnt make any activity on the bus, just says theres no reponse!

could someone point me to the docs that address this that i have so far
failed to locate?

tia, jackc...
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jack craig                   ja...@sageinst.com             408-761-7259(voice)
Sage Instruments, Inc.    The Leader In Telecom Testing     408-761-6300(fax)
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 Thu, 02 Dec 1999 03:00:00 GMT   
 scsi cdrom install on wd disks

Cute --------------------------^^^^^^^

: defbootstr's including
: Srom=alad(0,5,0)  
: Srom=ad(0,5,0)
: adapter=alad(0,0,0) its pci
: adapter=ad(0x330,12,5)

What is the EXACT boot string you're using (best guess)?
Why two different scsi adapters and two cdroms?
Which one has the SCO OSR5 cdrom?
I could put a boot string  together but it's more fun to have you
do the dirty work, especially since I'm not sure the above numbers
resemble reality.  Incidentally, the 1542 (ad)adapter at IRQ=12 will
probably interfere with a motheboard bus mouse if present.

: could someone point me to the docs that address this that i have so far
: failed to locate?

See * below.

  http://www3.sco.com/Products/openind.html       Free OSR5 page.
  http://www.postino.com/sco/scofaq.html     SCO ODT/OSR5 FAQ
  http://www2.sco.com:1996/dochome.html               OSR5 html docs
  http://www3.sco.com/Products/freeunix/relnotes.htm     OSR5 Release Notes
  http://www.sco.com/Support/                   SCO Support Main Page
  http://www.sco.com/Support/ssl.html           SCO Support Library Search
* http://www.cruzio.com/~jeffl/sco/ide.htm My IDE/ATAPI Install notes
  http://www.cruzio.com/~jeffl/sco/notes.htm     My SCSI Install notes
  http://www.cruzio.com/~jeffl/sco/sco.htm My SCO index page

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# Jeff Liebermann  Liebermann Design  150 Felker St #D  Santa Cruz  CA  95060
# 408.336.2558 voice  wb6ssy@ki6eh.#cca.ca.usa.noam  wb6ssy.ampr.org 44.4.18.10
# 408.699.0483 digital_pager    73557,2074  cis [don't]
# je...@comix.santa-cruz.ca.us  http://www.cruzio.com/~jeffl



 Thu, 02 Dec 1999 03:00:00 GMT   
 scsi cdrom install on wd disks

You could do it even under 3.2v4.x, if you had things set up right.

I assume you mean 2GB.  In which case, if it's even one byte over 2GB,
you're going to have problems and will need SLS oss451b.  Except, see
below.

It might help to know the brand & model of the CD-ROM, but in general, I
haven't seen problems like this with SCSI CD-ROMs.  One thing to try is
to look back through IQM several times, telling it again where to find
the CD-ROM -- sometimes it seems to fail the first time (or first few
times), then succeed.

In IQM, you *did* get the expected choice of "SCSI CD-ROM" ... "adapter
ad (or alad)", right?  You haven't messed up the SCSI bus termination?

It seems unlikely, but the problem might actually have nothing to do
with the CD-ROM; it might be fallout from the >2GB IDE hard drive
problem.  Try oss451b or 5.0.4 next.

Anyway, what I'd really recommend is that you get OpenServer 5.0.4 media
and use that.  It's much smarter about IDE stuff in general; much less
likely to get confused.  And you'll save yourself the future hassle of
an in-place upgrade.



 Thu, 02 Dec 1999 03:00:00 GMT   
 scsi cdrom install on wd disks

For IDE Support in OSR5, you have to link in the "wd" driver as follows:

at the boot: prompt,

defbootstr ahslink=wd

Insert the the ahs disk and load the driver, you'll be asked if you wish to
replace the driver.  Select r to replace it.

AT this point you should the adapter type come up as wd and the
"Indentifying the installation media device" screen should come up.  Select
SCSI CD-ROM.

If the CDROM is connected to the primary ide controller, the host adapter
is 0, if you have the CD connected to the secondary ide controller the host
adapter will be 1.

If the cdrom is a master device, select 0 for its scsi ID, if its a slave,
select 1 for its ID

Always select 0 for the LUN and 0 for the SCSI bus number...

That should help, If you need more help, search SCO's support base with the
keywords:  ide cdrom installation wd install

Logan McLeod



 Fri, 03 Dec 1999 03:00:00 GMT   
 
   [ 4 post ] 

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