[Sussex] iso checksums

[John English]

From: "Vic" <lug at beer.org.uk>
> Try booting the installation disks with "linux hdc=nodma" (assuming your
> CD is on hdc) - there have been problems with DMA on CD drives leading to
> inaccurate data...

Surely either the discs are good or their not? The problem is being picked 
up on the media check prior to attempting the install so I'm not clear how 
changing the nature of an install I haven't yet attempted will stop the 
discs being corrupt. Could you clarify?