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Re: Adaptec AIC-7xxx AND Buslogic BT-958

daemon@ATHENA.MIT.EDU (Brendan Miller)
Thu Jun 25 02:23:33 1998

Date: 	Wed, 24 Jun 1998 23:01:45 -0700
From: Brendan Miller <brmiller@xenon.kudzu.gammalink.com>
To: Michael Necaise <necaise@home.com>
Cc: Brendan Miller <brmiller@wco.com>, Franklin Black <d_baser@hotmail.com>,
        linux-scsi@vger.rutgers.edu
Reply-To: Brendan Miller <brmiller@wco.com>
In-Reply-To: <3590FA6D.DBB7D50F@home.com>; from Michael Necaise on Wed, Jun 24, 1998 at 09:09:01AM -0400


Okay, a little more progress.  I have rechecked by cabling and termination.
Now a 'modprobe aic7xxx' gives me this:

aic7xxx: Warning - detected auto-termination on controller:
aic7xxx: <Adaptec AHA-294X Ultra SCSI host adapter> at PCI 11/0
aic7xxx: Please verify driver detected settings are correct.
aic7xxx: If not, then please properly set the device termination
aic7xxx: in the Adaptec SCSI BIOS by hitting CTRL-A when prompted
aic7xxx: during machine bootup.
aic7xxx: Cables present (Int-50 NO, Ext-50 NO)
aic7xxx: Termination Enabled
(scsi1) <Adaptec AHA-294X Ultra SCSI host adapter> found at PCI 11/0
(scsi1) Narrow Channel, SCSI ID=7, 16/255 SCBs
(scsi1) BIOS disabled, IO Port 0x8000, IRQ 19
(scsi1) IO Memory at 0xe1000000, MMAP Memory at 0xc682f000
(scsi1) Resetting channel
(scsi1) Downloading sequencer code... 406 instructions downloaded
scsi1 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.0.18/3.2.4
       <Adaptec AHA-294X Ultra SCSI host adapter>
scsi : 2 hosts.
(scsi1:0:-1:-1) Scanning channel for devices.
  Vendor: HP        Model: C3725S            Rev: 6039
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sdd at scsi1, channel 0, id 1, lun 0
(scsi1:0:1:0) Synchronous at 10.0MHz, offset 15.
  Vendor: IOMEGA    Model: ZIP 100           Rev: D.09
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi removable disk sde at scsi1, channel 0, id 5, lun 0
SCSI device sdd: hdwr sector= 512 bytes. Sectors= 4194058 [2047 MB] [2.0 GB]
 sdd: sdd1 sdd2 sdd3
SCSI device sde: hdwr sector= 512 bytes. Sectors= 196608 [96 MB] [0.1 GB]
sde: Write Protect is off
 sde: sde4


So, it still thinks no cables are present, but finds the devices on the 
SCSI scan.  I can mount them too.  What gives?  What about the BIOS
termination setting?  Should it be set to auto, enabled, or disabled?
I have two devices on external cables, nothing internal.  My guess is that
I should enable termination at the card, but do I have to do this with 
this BIOS setting, or will the 'auto' setting do it for me?

Brendan

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