Specifications

42 Product Errata
25759 Rev. 3.79 July 2009
Revision Guide for AMD Athlon™ 64 and AMD Opteron™ Processors
80 Registered DIMM Initialization Requirements Not Met
Description
When initializing registered DIMMs after a powerup or warm reset assertion, the time interval
between the deassertion of MEMRESET_L and the assertion of CKE is not sufficient for some
DIMMs.
Potential Effect on System
The memory system may fail to initialize, leading to boot failure.
Suggested Workaround
A board level workaround is available for this problem, see Methodologies for Using Registered
DIMMs with AMD Athlon™ 64 and AMD Opteron™ Processors, order #27510, for details.
Fix Planned
Yes