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Intel confirms Haswell chipset USB bug
In a Product Change Notification bulletin from Intel confirmed that the current Lynx Point 8-series and C220 chipsets for Haswell have a bug that causes USB 3.0 devices to disappear after entering S3 standby mode. The issue has been fixed in stepping C2, this updated chipset will start sampling on April 19th but won't hit the market until late July.
Affected chipsets include the Q87, Q85, H87, Z87, B85 (desktop chipsets), C222, C224, C226 (workstation/server chipsets), QM87, HM87, and HM86 (mobile chipsets).
According to the PCN the new stepping will be sampled to customers starting April 19th. Final product will be available starting July 15th. Intel also makes clear that customers must be ready to receive the new stepping by July 31st. In other words, this means by then the old stepping will be phased out and gradually replaced by the new one. Due to the minor change needed to fix the problem, Intel doesn't expect a major impact on customers. The new stepping is basically a drop in replacement.
While an official release date for Haswell hasn't been given yet, Intel is expected to introduce the new chip before the availability of the new chipset stepping. Reportedly Intel let customers sign an agreement to acknowledge the presence of the bug if they wanted to obtain Haswell APUs for launch. The bug in question causes nuisances like USB devices to disappear after entering standby. Detachable devices would have to be reconnected to be found again.
Intel Core i7 4770K Haswell Processors in Dutch WebShops - 03/19/2013 11:52 AM
Yesterday performance figures of the upcoming Intel Core i7 4770K Haswell Processor leaked onto the web, today the processors has revealed itself in a couple of in Dutch WebShops. Now please underst...
Intel Core i7 4770K Haswell Benchmarks Surface - 03/18/2013 12:45 PM
One of Intel's upcoming desktop processors based on Haswell will be the flagship consumer processor Core i7-4770K. Benchmark on this processor.
Intel Confirms TV Plans - 02/14/2013 09:36 AM
Intel says it does have plans to offer its own television service this year, as rumors suggested, but it won’t quite be the a la carte alternative that cord cutters have dreamed about. Inste...
Intel Core i5-3450S and Atom Z670 to go EOL - 11/06/2012 02:01 PM
That's end of life. Intel has this week announced the discontinuance schedule for two more products, the 2.8 GHz Core i5-3450S desktop CPU and the 1.5 GHz Atom Z670 mobile chip as TPU reports today. The i5-3450S will be available for orders until May 24th, 2013 and will ship until November 8th (for the tray version) or until supplies are depleted (boxed).
Intel Core i7-3970X - 11/01/2012 08:24 AM
It seems that Intel's new flagship, the Core i7-3970X Extreme Edition, is already being sold in Singapore for S$1,425 (about US$1,167), including local taxes. This six-core chip is still based on the 32nm Sandy Bridge-E architecture, it has a LGA2011 socket and a 150W TDP, 20W more than the Core i7-3960X.
deltatux
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#4571581 Posted on: 04/06/2013 11:52 PM
Far as i concerned it for laptops, Desktops are not ment to be lower power devices laptops are. Power saving features something desktops useless imo, Stoves,Microwaves, Washers,dryers AC, Etc and alot of othe appliances use way more power. and power a desktop draws a month is gona nothing close compared to the other stuff.
Huh? I did say that this is more of an issue for laptops, not desktop. What are you saying? lol
deltatux
Far as i concerned it for laptops, Desktops are not ment to be lower power devices laptops are. Power saving features something desktops useless imo, Stoves,Microwaves, Washers,dryers AC, Etc and alot of othe appliances use way more power. and power a desktop draws a month is gona nothing close compared to the other stuff.
Huh? I did say that this is more of an issue for laptops, not desktop. What are you saying? lol
deltatux
Loophole35
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Posts: 9797
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#4571596 Posted on: 04/07/2013 12:29 AM
An SSD doesn't save me from my motherboard doing a check of every port of every controller one by one. I have about 9001 controllers on this thing.
Gah, I wanted to buy a Haswell system as soon as the parts were available.
Both of my rigs my main on the Z68 and my Z77 don't take but about 10 seconds to go through its post dance the Z77 takes even less I have to start spamming delete as I'm pressing the power button to go into the BIOS. Have tried disabling everything your not using on your board?
An SSD doesn't save me from my motherboard doing a check of every port of every controller one by one. I have about 9001 controllers on this thing.
Gah, I wanted to buy a Haswell system as soon as the parts were available.
Both of my rigs my main on the Z68 and my Z77 don't take but about 10 seconds to go through its post dance the Z77 takes even less I have to start spamming delete as I'm pressing the power button to go into the BIOS. Have tried disabling everything your not using on your board?
JohnMaclane
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Posts: 4822
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#4571601 Posted on: 04/07/2013 12:38 AM
A new stepping to resolve the issue is their admission that it breaks the chip. It breaks the chip so much they have to fix it...with a new stepping. If it didn't break the chip, they would just sell the chip.
Rocket science.
Breaks the chip? If only you knew what other IC companies sell. It is definitely a mishap but not a deal breaker. Most of the time the decision boils down to OEM and market pressure (Time to market being a priority), it is better to have a chip with documented and avoidable problems, than to waste fab time running them under capacity.
Plus consumer market standards allow chipmakers to sell chips with these problems, otherwise half the products people want would take years more to reach the market. For example like for automotive MCUs which have 5 year long product cycle (sometimes longer) with strict guidelines for mission critical applications.
A new stepping to resolve the issue is their admission that it breaks the chip. It breaks the chip so much they have to fix it...with a new stepping. If it didn't break the chip, they would just sell the chip.
Rocket science.
Breaks the chip? If only you knew what other IC companies sell. It is definitely a mishap but not a deal breaker. Most of the time the decision boils down to OEM and market pressure (Time to market being a priority), it is better to have a chip with documented and avoidable problems, than to waste fab time running them under capacity.
Plus consumer market standards allow chipmakers to sell chips with these problems, otherwise half the products people want would take years more to reach the market. For example like for automotive MCUs which have 5 year long product cycle (sometimes longer) with strict guidelines for mission critical applications.
Exodite
Senior Member
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Joined: 2006-09-28
Senior Member
Posts: 2087
Joined: 2006-09-28
#4571619 Posted on: 04/07/2013 01:05 AM
Not that this particular bug would bother me personally but I find it interesting that so few people use sleep mode on their desktops.
I don't turn my desktop off, ever.
The power draw in sleep mode is less than my watt-meter can reliably measure and it sleeps/wakes in a few seconds rather than having to go through the whole minute-long boot process.
I reboot something like once or twice a month, with the monthly Windows updates and if some other software requires it to update correctly.
Not that this particular bug would bother me personally but I find it interesting that so few people use sleep mode on their desktops.
I don't turn my desktop off, ever.
The power draw in sleep mode is less than my watt-meter can reliably measure and it sleeps/wakes in a few seconds rather than having to go through the whole minute-long boot process.
I reboot something like once or twice a month, with the monthly Windows updates and if some other software requires it to update correctly.
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A new stepping to resolve the issue is their admission that it breaks the chip. It breaks the chip so much they have to fix it...with a new stepping. If it didn't break the chip, they would just sell the chip.
Rocket science.