IT8721F-BX Datasheet PDF - ELITEGROUP COMPUTER SYSTEMS
Part Number | IT8721F-BX | |
Description | Ibex Peak platform cause S3 resume fail issue | |
Manufacturers | ELITEGROUP COMPUTER SYSTEMS | |
Logo | ||
There is a preview and IT8721F-BX download ( pdf file ) link at the bottom of this page. Total 10 Pages |
Preview 1 page No Preview Available ! ELITEGROUP COMPUTER SYSTEMS CO., LTD.
Date: 3/10/2011
Page: 1
SIO IT8721F-BX/DX in
Ibex Peak platform
cause S3 resume fail
issue
Issue Topic:
Technical Issue Survey Form
Prepared by:
RD Department:
FISH
BUI/ODM1
Doc.: ECS Technical Issue Survey Form V.A
Free Datasheet http://www.datasheet4u.com/
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ELITEGROUP COMPUTER SYSTEMS CO., LTD.
Date: 3/10/2011
Page: 5
Root cause : Power sequence between PCH core 1.05V and PWROK resume from S3 to
S0 are failure.
Solution : PWROK output signal changed from pin 32 PWRGD1_30ms to pin 78
PWRGD3_150ms to meet the correctly power sequence of PCH core 1.05V stable to
PWROK active specification , and configure SIO PWRGD3_150ms time t5 to 135ms from
register address 2A , Bit 0=1, refer to below picture:
1)SIO connect to pin78 :
2)SIO register set address 2A,Bit 0=1 :
3)Correctly waveform with implementation of solution , PCH core 1.05V stable 106 ms to PWROK active :
Doc.: ECS Technical Issue Survey Form V.A
Free Datasheet http://www.datasheet4u.com/
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for IT8721F-BX electronic component. |
Information | Total 10 Pages | |
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Product Image and Detail view | 1. cause S3 resume fail issue [ Learn More ] | |
Download | [ IT8721F-BX.PDF Datasheet ] |
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