Canon has released firmware updates for the EOS-1Ds Mark II and EOS-1D Mark II. The updates fix file numbering issues and CompactFlash issues. The update for the EOS-1Ds Mark II also fixes a problem with horizontal lines appearing when the P.Fn-21 is activated.
You can download the update for the EOS-1Ds Mark II here and the EOS-1D Mark II here.
