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1. Overview
2. Getting Started
3. Development Kit Setup
4. Board Test System
5. Development Kit Hardware and Configuration
6. Custom Projects for the Development Kit
7. Document Revision History for the Agilex™ 5 FPGA E-Series 065B Premium Development Kit User Guide
A. Development Kit Components
B. Additional Information
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4.3.5.2.1. The DDR4 COMP Tab
Figure 38. The DDR4 COMP Test Tab
The following sections describe controls on this tab.
- Start: Initiates DDR4 memory transaction performance analysis.
- Stop: Terminates transaction performance analysis.
- Test Control
- Test Mode: Infinite Read and Write (default), Single Read and Write.
- Test times: Number of times that write and read DDR once.
- Detected Errors: Displays the number of data errors detected in the hardware.
- Inserted Errors: Displays the number of errors inserted into the transaction stream.
- Insert: Insert a one-word error into the transaction stream each time you click the button. Insert error is only enabled during transaction performance analysis.
- Clear: Resets the Detected Errors counter and Inserted Errors counter to zeros.
- Performance Indicators
These controls display current transaction performance analysis information collected since you last clicked Start:
- Write, Read and Total performance bars: Show the percentage of maximum theoretical data rate that the requested transactions are able to achieve.
- Write (MBps), Read (MBps) and Total(Mbps): Show the number of bytes analyzed per second.
Figure 39. The DDR4 COMP Test Parameter Tab
- Test Size: You can choose the size of the memory to test. The available options are 64 KB, 256 KB, 1 MB, 4MB, 16 MB, 64 MB, 256 MB, 1 GB, 4 GB, 8 GB (default).
- Offset (Hex): You can define the memory start address to test.
- Test Pattern: PRBS (default), User Defined Constant, Walking '0', Walking '1'.