Re: [Flashbench] Transcend ultra 2GB Industrial 'CF100BA8' hdparm

On Friday 18 March 2011, Philippe De Muyter wrote:

Here are the hdparm and smartctl outputs for the first card I tested (Transcend ultra 2GB Industrial 'CF100BA8'). There seems to be no dma mode there, only PIO.

Ok, that makes sense. It explains both why this card is so slow, and why it's hard to get meaningful measurements out of it -- when transferring large amounts of data, the slow interface hides a lot of the timing effects that are going on with its garbage collection.

Arnd