
Related Information
Fitter Resources Reports
Recommended Speed Grades
Table 1-6: Stratix V Recommended Speed Grades for All SR-IOV Configurations
Altera recommends setting the Quartus II Analysis & Synthesis Settings Optimization Technique to Speed when
the Application Layer clock frequency is 250 MHz. For information about optimizing synthesis, refer to “Setting
Up and Running Analysis and Synthesis in Quartus II Help. For more information about how to effect the
Optimization Technique settings, refer to Area and Timing Optimization in volume 2 of the Quartus II
Handbook. Refer to the Related Links below.
Link Rate Link Width Interface
Width
Application Clock
Frequency (MHz)
Recommended Speed Grades
Gen1 ×8 128 Bits 125 –1, –2, –3, –4
Gen2
×4 128 bits 125 –1, –2, –3, –4
×8 128 bits 250 –1, –2, –3
(2)
×8 256 bits 125 –1, –2, –3, –4
Gen3
×2 128 bits 125 –1, –2, –3, –4
×4 128 bits 250 –1, –2, –3
(2)
×4 256 bits 125 –1, –2, –3,–4
×8 256 bits 250 –1, –2, –3
(2)
Related Information
• Area and Timing Optimization
• Altera Software Installation and Licensing Manual
• Setting up and Running Analysis and Synthesis
Steps in Creating a Design for PCI Express
Before you begin
Select the PCIe variant that best meets your design requirements.
(2)
The -4 speed grade is also possible for this configuration; however, it requires significant effort by the end
user to close timing.
UG-01097_sriov
2014.12.15
Recommended Speed Grades
1-9
Datasheet
Altera Corporation
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