Re: Help: How to (not) identify a network drive

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#6570

From: Scott C. Sadow
Date: Sat, 19 Dec 1992 16:07

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In article <1992Dec16.141307.3469@ugle.unit.no>, news@ugle.unit.no (NetNews Administrator) writes:
>I've written a device driver implementing a RAM disk. The driver uses
>an add-on board with up to 320 MB DRAM for storage. My problem is,
>MS-DOS has got this stupid idea it is a network drive, and certain
>programs (e.g. CHKDSK, Norton Disk Doctor ) does not accept the disk.
>Could anyone out there help me with the following, please:
>
>How does MS-DOS identify a network drive?
>
>Why is my drive identified as a network drive when the Media Descriptor
>Byte i return says "Fixed disk" (0f8h)?
>
>How do i get MS-DOS to understand "the true nature" of my driver?
>

For a block device, bit 12 of the device driver attribute word is set if
the drive is a network drive, and reset if local drive. Make sure that bit
is reset. (To double check, I just changed my local drives to network
drives by setting that bit in their device driver attribute word)

   Scott C. Sadow
   scott@mycro.UUCP
   ...gatech!nanovx!mycro!scott

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Message-ID: <1992Dec19.110730@mycro.UUCP>

Path: arc1-ca.pugleaf.net!sparky!uunet!usc!sdd.hp.com!swrinde!gatech!gatech!wa4mei!nanovx!mycro!scott

References: <1992Dec16.141307.3469@ugle.unit.no>

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Path: arc1-ca.pugleaf.net!sparky!uunet!usc!sdd.hp.com!swrinde!gatech!gatech!wa4mei!nanovx!mycro!scott
From: scott@mycro.UUCP (Scott C. Sadow)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Help: How to (not) identify a network drive
Message-ID: <1992Dec19.110730@mycro.UUCP>
Date: 19 Dec 92 16:07:30 GMT
References: <1992Dec16.141307.3469@ugle.unit.no>
Lines: 24

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