Re: 250 failure

[Keith Carpenter <carpcon@xxxxxxx>]

Yes, I've tested this myself (boots normal and manual).

The MFIOP is basically a SCSI controller. As shipped, the tape and CD 
are configured with SCSI id 0 & 1 (respectively). DASD will be in range 
of ids 6,5,4,3 (6 is usually the load source).

You can have no tape or CD, 2 tapes and probably 2 CDs (not tested). The 
only limitation I found was a max of 4 DASD.


I would agree that it would not make sense to configure a system without 
a CD/DVD or tape.  This probably why the configurator (or whatever you 
are basing you opinion on) doesn't allow it.


Larry's frankenseries systems are excellent examples of what is possible.
http://frankenseries.com


Keith




Pat Barber wrote:
> I have never seen a system without both and I suspect
> the "maps" for a "cold" IPL require "seeing" a
> semi-working version there for the ipl to complete.
>
> I assume you have seen a system IPL without both ???
>
>
> Keith Carpenter wrote:
>
> > Yes, you can IPL without a tape and/or CD attached.  They are only 
> > required to do an alternate IPL.