SDHC cards and my "devices"
The main question is my HP hx2495 iPAQ PDA. (spit).
It sports two expansion sockets - one for an SD card and one for a compact flash card. Shortly after purchase, and thanks to prices on ebay, I added a 4gb card to each of the two slots - so 8gb plus the device itself.
Browsing "the bay" recently, I discovered that they now make affordable 8gb cards - so I bought an 8gb compact flash, installed it, runs a treat; also bought an 8gb sd card, "Card Read Error".
The 8gb card will not work in my Canon digital camera, will not work in my HP Pavilion DV4000 series notebook, will not read from my HP 7310 all-in-one printer, nor from my hx2495 PDA.
Card salesman swears blind that the card I returned to him for replacement works perfectly when tested, and that anything above 2gb is now called SDHC and requires special firmware to run it.
If this is so, why do my devices all read the 4gb SD card - but not the 8gb?
Any thoughts?