In a message dated 10/23/01 4:48:36 AM, [EMAIL PROTECTED] writes:

<<
Do SCSI Cards have to have a Mac BIOS to work in a Mac? I have a PC PCI one 
and wondered if there was anyway I could fit it in my G3? I'm guessing no 
but...
>>

Adaptec's SCSI cards generally have a FLASH ROM on them which is platform 
specific. Therefore, there is a PC-specific card and a Mac-specific card, 
both being built using the same "raw" card.

NCR (now Symbios) has a SCSI chip set which is incorporated in many 
PC-specific PCI cards, and which does not require a FLASH ROM. This is 
because the makers of the ROM BIOSes for many Pentium-class mobos decided to 
include support for the NCR chip set as the "native" SCSI chip set for those 
mobos. Any other SCSI card requires that it have a FLASH ROM, in order to be 
considered to be bootable (accessible at boot time). Any other access may be 
made only after the system (Win95, Win98, etcetera) has been successfully 
booted from another device.

I do not believe that the ROM SIMM of Macs incorporate, in a manner similar 
to that described above, specific support for any PCI-based SCSI card.

Therefore, I'm also guessing the answer to the above-quoted writer's question 
is, "No".



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