🚀 go-pugleaf

In <4fu6kt$ps4@shellx.best.com>, Jerry@polymore.com (Jerry Schonewille) writes:
>In article <4fr430$hqi@news.cs.tu-berlin.de>,
>   kueckes@cs.tu-berlin.de (Ansgar Kueckes) wrote:

>>Help needed: I'm using a HP 4020i CD writer together with an
>>Adaptec 2940UW SCSI controller under Windows 95, seems that
>>although the multiple-LUN-support has been switched off for
>>the adaptec BIOS, the Windows95 driver for the adaptec still
>>allows windows95 to report the HP CD writer on *ALL* LUNs
>>(which consequently leads up to *EIGHT* drives - with only
>>the one with LUN 0 working, of course...).

>>Does anyone have an idea how to fix this bug (adaptec and
>>HP seem to blame each other for it...).

>>There is the possibility to pass startup parameters to
>>the adaptec driver (via configuring the appropriate device
>>manager). Does anyone know about a parameter which would
>>force the adaptec controller into single-LUN-support-mode
>>(as it schould be possible for OS/2)?

>Many people have reported this problem.  Until Adaptec comes out with a new 
>driver (I was told by them 4 weeks ago that it would be out in 2 weeks) the 
>only thing you can do is adjust the LASTDRIVE statement.  This will only work 
>if you are not on a network and do not need to map network drives and if you 
>do not have other cdrom(s) on the same scsi bus.  For most people, the eight 
>drives do not present a problem.  Keep beating up on Adaptec and HP, tell them 
>to stop blaming each other and get the problem solved.  This is a well known 
>problem and has been around for about 3 months now.

The problem is twofold:
1.  The 4020 returns "check condition" (an error) when any LUN other than
      0 is accessed.  This is true for the "Inquiry" command and the
      "Request Sense" command.  Those commands should not be returning
      an error.

2.  The Adaptec driver breaks when it encounters this unexpected condition.
      It reports that information was obtained from the other LUNs, when
      in fact the drive supplied no such information; the Adaptec driver
      re-supplies the information acquired from LUN 0.

Both companies are working to fix their respective bugs; I can't promise
any release dates.  Meanwhile, the Advansys driver does not have this bug,
and you will thus see only one drive.

Rob
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robsims@depeche.lvld.hp.com