ALTERA DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN THIS PATCH WILL MEET YOUR REQUIREMENTS, OR THAT THE OPERATION OF THIS PATCH WILL BE UNINTERRUPTED OR ERROR-FREE. //**************************************************************** quartus-11.0-1.07-readme.txt Readme file for Quartus II 11.0 SP1 Patch 1.07 Copyright (C) Altera Corporation 2011 All right reserved. Patch created on July 29 2011 Patch SPR#: 382299 SPRs fixed: 381874 //**************************************************************** Problem: Slow slew rate is observed on the transceiver TX PMA on the 10G Base R PHY IP Megacore. Jittery transmitter PMA output at 10.3125Gbps will be observed. This will cause high data error and cause link down on the 10G Base R PHY link. Solution: This patch provides a solution to ensure the correct slew rate setting for the transmitter PMA on the 10G Base R PHY IP. The transmitter PMA slew rate setting is set to off. Affected device families: All Stratix IV GT devices Affected variant: 10G Base R PHY IP for ACDS 11.0 and ACDS11.0sp1 Caution - You must either have previously installed the Quartus II 11.0 SP1 software or must install the Quartus II 11.0 SP1 software before installing this patch. Otherwise, the patch will not be installed correctly and the Quartus II software will not run properly.