Lexar has recently identified a rare compatibility issue between some of their 32x and 40x Professional Series CompactFlash cards and Nikon D1x & D1h cameras. Under certain conditions, the cards can become corrupted resulting in a standard "CHA" error message on the camera's LCD display. The affected cards can be identified by the card's serial number located at the bottom edge of the card opposite the connector. Cards with a serial number ending with the last 4 characters of 4D8D or 6DB4 should be updated with the latest firmware.

The CompactFlash cards affected are:

  • 40x 256 MB
  • 40x 512 MB
  • 32x 1 GB

If an error occurs, Lexar Media Image Rescue software - that was provided with the card at time of purchase - can be used to recover most images captured prior to the error and reformat the card.

A firmware update is available for the cards that addresses this issue, and recommends that all Nikon D1x & D1h users contact Lexar Pro Tech support at 510-413-1233 for details on returning the cards for a free firmware update. This update pertains only to cards being used in the Nikon D1x & D1h cameras.

If the last 4 characters of the serial number are OE1B, no action is required since these cards already contain the updated firmware.