Pentax has issued updates for four of its DSLRs – the K-m/K2000, K20D, K200D and K10D. The new firmware is designed for “Improved stability of recording image for some SDHC Memory card.”
You can download the firmware at Pentax’s website via the following links.
Pentax K-m/K2000 Firmware Ver. 1.11
Pentax K20D Firmware Ver. 1.04
Pentax K200D Firmware Ver. 1.01