Mobility Site - View Single Post

ajb · 06-08-06, 08:47 AM

I've done some testing on the transfer rates with my SD card (2GB A-Data rated 150x). In my notebook card reader I get around 33 MBit/s - maybe more is possible elsewhere as I noticed some stalling in between but the card is surely capable of DVD movie rates.

Repeating the same exercise in the PDA however (I copied a 10 MB file from the card into My Documents) I got only around 6 MBit/s - that's only half the USB 1.1 speed. If that cannot be improved it's a real shame because every other part of the device is up to it except for the badly implemented internal bus controller. While a lot of DVDs have an average of around 6MBit/s they do peak at 9MBit/s so occasional stalling would be inevitable.

Any other ideas?

06-08-06, 08:47 AM	#5 (permalink)
ajb Aximsite Prospect Join Date: Jun 2005 Posts: 5 Thanked 0 Times in 0 Posts	I've done some testing on the transfer rates with my SD card (2GB A-Data rated 150x). In my notebook card reader I get around 33 MBit/s - maybe more is possible elsewhere as I noticed some stalling in between but the card is surely capable of DVD movie rates. Repeating the same exercise in the PDA however (I copied a 10 MB file from the card into My Documents) I got only around 6 MBit/s - that's only half the USB 1.1 speed. If that cannot be improved it's a real shame because every other part of the device is up to it except for the badly implemented internal bus controller. While a lot of DVDs have an average of around 6MBit/s they do peak at 9MBit/s so occasional stalling would be inevitable. Any other ideas?