Intel Software Network - <![CDATA[ Q&A: HPET Timer ]]> feed

Intel Software Network - <![CDATA[ Q&A: HPET Timer ]]> feed http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108 en-us Re: Q&A: HPET Timer What about Windows 2003 ? And Windows 2003 R2 ? And Windows 2003 SP2 ?

Thank you

Patrick Raffin

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer Hi Lexi,

I'm a laptop hardware designer. Currently, I met a problem that while our system enable HPET under Vista OS. The system will delay 24 seconds per day. I guess it's caused by the clock source of HPET. Would you please tell me which one is the clock source of HPET? 32.768KHz, or 14.318MHz?

Isaac

Mitac Technology Corporation

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer Isaac, we heard back from one engineer who did have the answer to this: 14.318MHz.

We do still recommend consulting your FAE for technical assistance with your project.

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Lexi S.

Intel(R) Software Network Support

http://www.intel.com/software

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer We received confirmation from our engineering contacts that the answer is still no for all Windows* 2003 versions.

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Lexi S.

Intel(R) Software Network Support

http://www.intel.com/software

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer We looked for documentation indicating it might be supported under Microsoft Windows* Server 2003 and didn't find any. We're verifying with engineering.

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Lexi S.

Intel(R) Software Network Support

http://www.intel.com/software

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer Our engineering contacts responded that your best bet would be to direct that question to Microsoft -- since common hardware resources are best managed by the OS, it would probably not be advisable to have independent drivers accessing that hardware, but Microsoft should be able to verify that for you.

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Lexi S.

Intel(R) Software Network Support

http://www.intel.com/software

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer Alex, in answer to your question, our engineering contacts confirmed that currently Microsoft Windows* XPâ€™s timer APIs do not support the HPET. However, HPET is supported and accessible in Windows Vista*. We currently do not have any sample APIs for testing HPET with Windows*. If you are simply looking at testing the HPET, Linux* timer APIs support it today.

However, for the most accurate and up-to-date information, we recommend verifying HPET support with the OS vendor directly.

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Lexi S.

Intel(R) Software Network Support

http://www.intel.com/software

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer Isaac,

We forwarded your question to our software engineering contacts, who responded that since this is more of a board design-related HPET question, you would be best off contacting Mitac's assigned Intel representative to obtain assistance with this issue. Your company's purchasing department should have your Intel rep's contact information if you need it.

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Lexi S.

Intel(R) Software Network Support

http://www.intel.com/software

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General Re: Q&A: HPET Timer Q. Currently, I'm trying to use hpet. But I cannot use timer 0 and timer 1 since they are used for 8254 and rtc replacement, respectively. The only chance for me is to use timer 2. But timer 2 uses irq number 0, in Linux kernel, irq is reserved. How can I solve this? Is it possible for me to change timer 2's irq?

A. The ICH HPET Timer 2 interrupt may be routed to any one of the following IRQs: 11, 20, 21, 22, and 23, via the TIM2_CONF register. (Note: this register is called TIM3_CONF in Intel® ICH5.)

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Lexi S.

Intel(R) Software Network Support

http://www.intel.com/software

]]> http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ Wed, 30 Nov -001 00:00:00 -0800 http://software.intel.com/en-us/forums/watercooler-catchall/topic/52108/ ISN General