Question about Promaster USB 2.0 Pocket Card Reader for Compact Flash Cards (8843)
My Promaster digital compactflash card reader (code 8843) works fine with my 2gbyte cards, but Windows Vista gives the message "Please insert a disk into Removable Disk (F:)" whenever I try to access one of my 4gbyte cards. Is there a way to update the software of this device to correct this problem??
I have the same problem. I emailed Promaster about why a 2 GB could be read by the Model 8843 CF reader, but a 4 GB card could not. This is not exactly a solution, but here is their response:
"It is possible that the card reader you have was manufactured before there were 4 Gigs cards on the market and the controller on the reader is not able to address the extra memory. It is a rarity, but it has happened. That or just an electrical timing issue which is also rare but happens.
As technology changes and expands, we race to catch up, in this case you might just have a card reader that is just too old. We manufactured that particular card reader for a long time and I am positive it went through some enginering changes as the technology changed.
My suggestion is to take it to the original (or closest) dealer with the card reader. If you purchased it within a year I am sure the dealer will swap it out for you, beyond that I cannot say."
Posted on Jun 23, 2009
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