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GDDR5 tester #88

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Kreyren opened this issue Apr 11, 2021 · 4 comments

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Kreyren commented Apr 11, 2021 •

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I need a VRAM tester to diagnose:

Abstract

Make sure that the VRAM is working e.g. using some small interface that runs memtest ideally without soldering e.g. integrated in some tester?

Requirements

Has to be economical

Kreyren added the help wanted label

Kreyren self-assigned this

Owner Author

Kreyren commented Apr 11, 2021 •

edited

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Found:

which requires a core and connection to the system.

Owner Author

Kreyren commented Apr 11, 2021 •

edited

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GDDR5 pinout with description http://www.interfacebus.com/GDDR5-Memory-IC-Pinout.html

GDDR5 operates at up to 5Gbps at 1.5 volts.

Owner Author

Kreyren commented Apr 11, 2021

Found https://www.aliexpress.com/item/1005001565166408.html?spm=a2g0o.detail.1000014.1.7145183cdFlmWQ&gps-id=pcDetailBottomMoreOtherSeller&scm=1007.33416.213724.0&scm_id=1007.33416.213724.0&scm-url=1007.33416.213724.0&pvid=ef9aee57-82bd-4d91-91c1-a3b42b79dbd5&_t=gps-id:pcDetailBottomMoreOtherSeller,scm-url:1007.33416.213724.0,pvid:ef9aee57-82bd-4d91-91c1-a3b42b79dbd5,tpp_buckets:668%230%23131923%2339_668%23888%233325%237_23416%230%23213724%230_23416%234721%2321967%23571_23416%234722%2321972%238_668%232846%238109%231935_668%232717%237562%23458_668%231000022185%231000066059%230_668%233422%2315392%23294_4452%230%23214000%230_4452%233474%2315675%23382_4452%234862%2324463%23472_4452%233098%239599%23181_4452%235108%2323442%2385_4452%233564%2316062%2359

Used as solderless VRAM connector

Owner Author

Kreyren commented Apr 11, 2021

Research on GDDR5 test challenges http://www.koreatest.or.kr/sub02/2009data/report/j09-006.pdf

Kreyren changed the title ~~VRAM tester~~ GDDR5 tester

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