Difference between IDE and SCSI ??
markkuk at tuubi.net
Tue Feb 5 18:31:35 UTC 2008
William Case kirjoitti viestissään (lähetysaika tiistai, 5.
> The schematics in the manual that came with my ASUS M2NPV-VM
> motherboard show the Southbridge chip as nForce 430MCP. I
> assume this has been replaced by or contains a MCP51 IDE chip
> or configuration or something, that is identified by my
> Hardware browser (hwbrowser).
The Southbridge is a multifunction chip that shows up as several
different peripherals in hwbrowser or lspci listings.
> I further assume that the MCP51
> is the controller for the SCSI bus.
No. There's no SCSI bus in the nForce 430/MCP51.
> However, if that is true
> why is it called MCP51 IDE.
Because it's an IDE controller, not SCSI.
> When I look on the bottom of an old drive (from a 4-5 year old
> machine -- not one of the Maxtors mentioned above, but a
> Maxtor nonetheless), there are several chips. One of those
> chips, I assume, contains the SCSI programm, protocol,
> commands, that interface with the SCSI bus or SCSI bus
Yes, if it's a SCSI disk. No, if it's a SATA or ATA/IDE disk.
markku.kolkka at iki.fi
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