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Conference hydra::amiga_v1

Title:AMIGA NOTES
Notice:Join us in the *NEW* conference - HYDRA::AMIGA_V2
Moderator:HYDRA::MOORE
Created:Sat Apr 26 1986
Last Modified:Wed Feb 05 1992
Last Successful Update:Fri Jun 06 1997
Number of topics:5378
Total number of notes:38326

2197.0. "Hard Drive Woes" by MTWAIN::MACDONALD (WA1OMM 7.093/145.05/223.58 AX.25) Fri Feb 03 1989 10:28

    I installed a GVP HardCard in my A2000 recently. GVP assigns DH0:
    to the hardcard even though it is a SCSI device. I am not sure why.
    At any rate, this assignment makes it impossible (thus far) for
    me to use the A2090 with my other drive (an ST-506 type). Even when
    I attempt to define the first partition on the ST-506 as DF1:, the
    system overrides that and calls it DH0:. When I do an INFO, the
    list shows two DH0: (the GVP and the ST-506). Of course the ST-506
    suddenly becomes the default, and accesses to the SCSI fail.
    
    Anyone know why GVP chose DH0: and if it can be changed? I'd rather
    not experiment. Just the facts ma'am.
    
    Paul 
T.RTitleUserPersonal
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2197.1Modify MountList???DPDMAI::ANDERSONATue Feb 07 1989 22:3210
    I do not have a A2000 or GVP's disk but I do have a A500 and a C.Ltd
    controller so I may be out in left field.  But I thought that the
    disk name was whatever you wanted it to be.  In your sys:Devs/MountList
    the first line tells the system what the device name is and what
    driver it is to use.  I use DH0: but I could have used HD0: or any
    other group of characters.   So maybe you only have to modify the
    mountlist.  That is unless GVP dos not use the standard mount method.
    
    Alan
                                         
2197.2When I don't know, I guessTLE::RMEYERSRandy MeyersTue Feb 14 1989 16:1727
Re: .1

I don't have Commodore's controller or GVP's controller.  So I could be
way off base here too.

>But I thought that the disk name was whatever you wanted it to be.  In
>your sys:Devs/MountList the first line tells the system what the device
>name is and what driver it is to use.  I use DH0: but I could have used
>HD0: or any other group of characters.

There is an alternative to the mountlist method of mounting a disk that
may be what is causing trouble.  One way to configure hardware to your
system is to drop an icon for it in the "Expansion" drawer of the boot
disk.  When the system boots, it examines the expansion drawer, looks
at the icons, checks to see if the device is attached to the expansion
buss, and then runs the program associated with that icon.  That program
may, if it wishes, mount a device based on any special knowledge it
has without looking at the Mountlist.

I think Commodore uses this technique to automatically mount the first
partition of the first disk connected to their controller.  If GVP
does the same, and they both hardwire the name DH0: for that partition,
then their is a major conflict.

If this is the problem, trusty NEWZAP, the binary file editor may help.
Change the DH0: in one of the expansion drawer programs to something else.
(So much for "I want answers, not experiments").