jkirby@storagecraft.com

Hi
Thank you for your reply.
I writ a virtual scsi miniport driver under win98
but the biggest problem is that it can not support all
cd_rom commands.
As it can, the virtual driver can support some commands that are
defined
in future?

Is there any idea ?
xxxxx@yahoo.com


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It should be able to support all commands implemented by the OS. I suggest,
under 9x, that ypou implement the SCSI CD-ROM driver as a SCSI port driver.
I have a 9x SCSI port driver that implements a virtual CD-ROM and it works
great. You simply implement all of the CDBs that are appropriate for CD-ROM
devices.

Also, under 9x, you should use the READ-CD command (defined by ATAPI) for
read requests. This will eliminate the need to support all of the mode pages
required to switch between the various CD modes. To use the ATAPI READ_CD
command, you must set a flag when you configure the DCB; see the DCB header
file for more information.

Jamey

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of xxxxx@yahoo.com
Sent: Sunday, April 29, 2001 4:28 AM
To: NT Developers Interest List
Subject: [ntdev] xxxxx@storagecraft.com

Hi
Thank you for your reply.
I writ a virtual scsi miniport driver under win98
but the biggest problem is that it can not support all
cd_rom commands.
As it can, the virtual driver can support some commands that are
defined
in future?

Is there any idea ?
xxxxx@yahoo.com


You are currently subscribed to ntdev as: xxxxx@storagecraft.com
To unsubscribe send a blank email to leave-ntdev-$subst(‘Recip.MemberIDChar’)@lists.osr.com


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