From owner-freebsd-questions  Tue Apr 21 12:48:36 1998
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Date: Tue, 21 Apr 1998 12:48:08 -0700 (PDT)
From: Doug White <dwhite@gdi.uoregon.edu>
Reply-To: Doug White <dwhite@resnet.uoregon.edu>
To: Vallo Kallaste <vallo@matti.ee>
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: ncrcontrol and dmesg differences
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On Tue, 21 Apr 1998, Vallo Kallaste wrote:

> T:L  Vendor   Device           Rev  Speed   Max Wide Tags
> 0:0  TOSHIBA  CD-ROM XM-6201TA 1030  10.0  20.0   8    -
> 5:0  QUANTUM  VIKING 4.5 WSE   880R  20.0  20.0  16    8
> 6:0  QUANTUM  VIKING 4.5 WSE   880R  20.0  20.0  16    8
> 
> but dmesg are different:
> 
> scbus0 target 0 lun 0: <TOSHIBA CD-ROM XM-6201TA 1030> type 5 removable
> SCSI 2
> cd0 at scbus0 target 0 lun 0
> cd0: CD-ROM
> cd0: 10.0 MB/s (100 ns, offset 16)
> can't get the size
> scbus0 target 5 lun 0: <QUANTUM VIKING 4.5 WSE 880R> type 0 fixed SCSI 2
> sd0 at scbus0 target 5 lun 0
> sd0: Direct-Access
> sd0: WIDE SCSI (16 bit)
> sd0: 40.0 MB/s (50 ns, offset 16)
> 4345MB (8899737 512 byte sectors)
> 
> 
> Why dmesg shows me 40 MB/s and ncrcontrol 20 MB/s ? SCSI BIOS boot message
> shows me 40 MB/s for hard drives, too. Are there something incorrect ? Of
> course I need the full capabilities of my new drives and adapter :)

Probably because the CDROM isn't WIDE or Fast-SCSI2, so it has to step it
down.  

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major



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