Jacob Harrison

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icon company Bloomberg L.P., University of Florida, Certibit Consulting icon location Security architect in the Bloomberg L.P. CTO office and Ph.D. student at the University of Florida.

Results 4 comments of Jacob Harrison

LiteDRAM USPDDRPHY unable to meet DDR4 timing requirements?

Hi @enjoy-digital, Thanks for the reply! Could you explain how the design is able to operate at up to 1400 MT/s? I may be missing something here, but it seems...

LiteDRAM USPDDRPHY unable to meet DDR4 timing requirements?

Sorry for the delay. Below are two representative terminal transcripts on one of my DDR4 DIMMs. What you can see from output 1 is the following: 1. I load up...

LiteDRAM USPDDRPHY unable to meet DDR4 timing requirements?

Thanks @enjoy-digital for the tip -- I'll try that out and let you know what I find. @tmichalak the DIMM I am using is from ATP, model number `A4F04QD8BLPSE`. The...

LiteDRAM USPDDRPHY unable to meet DDR4 timing requirements?

Wanted to give a quick update -- tinkering with different termination resistances did not solve the problem. [Apparently others may be experiencing this same issue.](https://github.com/antmicro/litex-rowhammer-tester/issues/84#issuecomment-1087603428) I'm continuing to troubleshoot and...