Does Xenix use the BIOS for anythin

[John C. Archambeau]

lws at comm.WANG.COM (Lyle Seaman) writes:
>I may have missed part of this thread, so if this doesn't make sense,
>I apologize.  
>
>If Xenix doesn't use the BIOS for anything (because the BIOS doesn't
>work w/ protected mode), then by extension, OS/2 and Unix don't use
>the BIOS either...
>
>Then howcum' I needed to upgrade my BIOS when I installed an ESDI
>controller?

Probably to low level format the hard drive.  
 
     // JCA

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