Very Computer

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*  Matthew C. Masuda        * "That which does not kill us makes  *

Linux tells the disk to disconnect from the bus when it does not have
data to transfer. This causes your light to go out. When the disk operation
has completed, the device asserts a condition known as "SCSI Re-connect"
and the host and disk begin to transfer the data.

The result is that the SCSI bus is free for use by other devices on the
bus. It permits things such as having a SCSI disk and SCSI tape drive on
the same controller and the same bus operate in a mode such that the SCSI
tape 'streams'. MSDOS could not achieve this because it does not permit the
device to disconnect from the bus.

There are some advantages of a 32 bit operating system. One such is that
you are not bound by trying to make things as small as possible because
you are stuck up against some stupid IBM limitation of 640 KB.

--

The above opinions do not necessarily represent those of the Management
of System Integrators nor any of its subsidiaries.

That's plain rubbish, it definitely isn't broken that way.
While there is no activity on the SCSI bus, the light is off.
Since the DOS drivers do not allow the devices to disconnect
the LED is lit for much longer periods.

Mike

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--
*  Matthew C. Masuda        * "That which does not kill us makes  *

: That's plain rubbish, it definitely isn't broken that way.
: While there is no activity on the SCSI bus, the light is off.
: Since the DOS drivers do not allow the devices to disconnect
: the LED is lit for much longer periods.

The disconnect explanation does make sense to me, and if that's the case,
it makes me wonder how DPT is going to 'fix' it.

 - Matt

--
*  Matthew C. Masuda        * "That which does not kill us makes  *

: The disconnect explanation does make sense to me, and if that's the case,
: it makes me wonder how DPT is going to 'fix' it.

What should they fix, if nothing's broken  ?

Mike

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: What should they fix, if nothing's broken  ?

Well, that's what I'd like to know.  Someone else forwarded me a message
from DPT tech support saying that they know about the 'problem' and
they're going to fix it in a later firmware release.

 - Matt

--
*  Matthew C. Masuda        * "That which does not kill us makes  *