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Re: Symbios Logic/NCR 8250S in Giga-Byte GA-486AM mainboard.

daemon@ATHENA.MIT.EDU (Technical Support Staff)
Fri Jan 24 18:42:13 1997

To: Dirk Foersterling <dirk@informatik.uni-frankfurt.de>
From: Technical Support Staff <tech-gbt@giga-byte.com>
Cc: Dirk Foersterling <dirk@informatik.uni-frankfurt.de>, support@symbios.com,
        Linux SCSI list <linux-scsi@vger.rutgers.edu>
Date: 	Fri, 24 Jan 1997 12:48:57 -0500

At 12:56 AM 1/24/97 +0000, Gerard Roudier wrote:
>
>On Thu, 23 Jan 1997, Technical Support Staff wrote:
>
>> The NCR BIOS ususlly is not activited unless there is a NCR SCSI card plug
>> in the slot.  A well design card should be able to stop the NCR BIOS blok on
>> the motherboards BIOS being load up.  Since block address in a default
address.
>
>1. A well designed mother board should allow users to disable the NCR BIOS 
>   from the setup.
>
>2. A serious mother board manufacturer should be able to provide  
>   custumers up-to-date set-up and bioses.
>
>In my opinion, the right behaviour of a well designed NCR board is to 
>do just the opposite you suggest since:
>
>1. The motherboard set-up is most of the time in flash memory and so 
>   easy to update.
>2. Low cost NCR based board use normal rom.
>
>The order of BIOS is decided by the setup and in my opinion, a well 
>designed setup should know what BIOSES it provides.
>So, it should be able to detect that a board have a more recent 
>NCR BIOS and call it rather than its older one.
>
>
>Gerard.
>

Hi

Who knows who in the slot is not important as long as they are speaking the
same language and they are talking at place and they know each other is
present. 
For exemple, if I plug in an Adaptec SCSI card the NCR BIOS will not show up
on the screen, will it. This means that the BIOS knows the Adaptec card is
present or the Adaptec card knows that NCR BIOS is in slot and ask the NCR's
BIOS not to be loaded.  This example shows as long as the design is
according the spec. then the card and the board show be able to communicate
correctly. Since the NCR BIOS has been built-in in the BIOS( for almost 3yrs
now) this is the first time that we have enconter this kind of problem.

BTW, does your SCSI card has BIOS on the card?

Thank you for choosing Giga-Byte.

Technical Support Staff
http://www.giga-byte.com


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