> Subject: RE: Largest drive sizes in MV/VS3100 machines?
> Date: Tue, 3 Dec 2002 07:27:44 -0800
> Thread-Index: AcKa3Lt8pR7aVUtCTwCTvtJIKj5goAAAzRDg
> From: "Antonio Carlini" <Antonio.Carlini@riverstonenet.com>
> 
> >	IIRC, the 3100s can't boot from a drive over 2GB, but once the OS takes
> >over, you can use the larger drives.
> 
> The console program is limited to 1.073GB - anything beyond that
> wraps round, which could be quite embarrassing! 

That is the address limit of the original 6-byte SCSI command set.
21 bits of block address ->  2^(21+9) 512-byte blocks = 1.073GB.

Next address limit barrier is the 32-bit character pointer,
which cuts off at 4.29GB.

    carl
-- 
    carl lowenstein         marine physical lab     u.c. san diego
                                                 clowenst@ucsd.edu