[5306] in linux-scsi channel archive
Re: Dumb question: Which is "better" SCSI or IDE disks?
daemon@ATHENA.MIT.EDU (Andy Poling)
Sun Dec 6 04:19:54 1998
Date: Sat, 5 Dec 1998 19:13:30 -0500 (EST)
From: Andy Poling <andy@globalauctions.com>
To: Leonard Zhang System Administrator ISD RVIB <leonardz@rvib2.rvib.org.au>
cc: linux-scsi@vger.rutgers.edu
In-Reply-To: <Pine.SCO.3.96.981205112429.18969A-100000@rvib2.rvib.org.au>
On Sat, 5 Dec 1998, Leonard Zhang System Administrator ISD RVIB wrote:
> 1. Some hard disk manufactures are using same disk drive (physically) to
> make SCSI and ATA. They only change the PCB board.
>
> 2. SCSI-1 and SCSI-2 have 8 bit data bus, while ATA have 16 bit data bus.
>
> 3. ATA got disk cache built in as well.
>
> 4. Some low end of SCSI host card is only 8 Bit card.
Wide SCSI has a 16-bit bus (though commands are still 8 bits). SCSI has
command queueing. SCSI has disconnects.
Now that's a fairer comparison...
-Andy
Global Auctions
http://www.globalauctions.com
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