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IT8721F-DX, IT8721F-BX - Ibex Peak platform cause S3 resume fail issue

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This datasheet PDF includes multiple part numbers: IT8721F-DX, IT8721F-BX. Please refer to the document for exact specifications by model.
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Datasheet Details

Part number IT8721F-DX, IT8721F-BX
Manufacturer ELITEGROUP COMPUTER SYSTEMS
File Size 473.16 KB
Description Ibex Peak platform cause S3 resume fail issue
Datasheet download datasheet IT8721F-BX_ELITEGROUPCOMPUTERSYSTEMS.pdf
Note This datasheet PDF includes multiple part numbers: IT8721F-DX, IT8721F-BX.
Please refer to the document for exact specifications by model.

IT8721F-DX Product details

Description

System will power shutdown when resume from S3 state, refer to below measurement of comparison with the perspective signals PCH circuit core 1.05V and SIO PWROK in failure state: 1)PCH core 1.05V circuit: 2)SIO PWROK connect to pin 32 PWRGD1_30ms : Doc.: ECS Technical Issue Survey Form V.A Free Datasheet http://www.datasheet4u.com/ ELITEGROUP COMPUTER SYSTEMS CO., LTD.Date: 3/10/2011 Page: 4 3)Below waveform demonstrate fail state of PWROK is ready 28 ms after PCH core 1.05V active:

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