Tag: Intel

Microsoft kills future security updates for Windows 7 on modern hardware

On the April 2017 patch day Microsoft has released two security bulletins KB4015549 and KB4015546 that will block future security updates on Windows 7 in case a newer processor is detected that is part of the following CPU Families: Intel KabyLake, AMD Bristol Ridge and AMD Ryzen.
The block mechanism is enforced by the new Windows Update Agent Version 7.6.7601.23735 this also prevents manually update installs using the .msu package. After installing the Microsoft Updates from above a UI nag screen will show up that reminds you of the non supported hardware, even when the system is working ok.

The error in the log file looks like this:

c98 Agent WARNING: WU client failed Searching for update with error 0x80240037
f24 AU >>## RESUMED ## AU: Search for updates [CallId = {692C634C-461A-46AC-82FD-16C025C65F22}]
f24 AU WARNING: Failed because device hardware is not supported and not exempt update was discovered with this scan.
f24 AU # WARNING: Search callback failed, result = 0x80240037
f24 AU # WARNING: Failed to find updates with error code 80240037

An Offline install will also not work:

444 PT + Offline serviceId = {CB8C92B3-A833-483F-A728-F55D2C09DAEC}
444 Agent WARNING: Only detected non-exempt updates on device with unsupported processor.
444 Agent FATAL: Device has unsupported processor. Return 80240037.
444 Agent * WARNING: Exit code = 0x80240037

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Intel’s Kaby Lake Family

Intel completed the Kaby Lake Family of CPUs with the release of the Kaby Lake Desktop CPU in January 2017. The Mobile CPUs were already released in the end of 2016. Kaby Lake is a refresh of Skylake with higher clocks and an improved graphics core due improved manufacturing.

5th Gen. Core Desktop and Mobile “Broadwell” H-Series CPUs release

After the initial release of Intel”s “Broadwell” CPU in form of the Mobile U-Series in January the release in June 2015 includes the first “Broadwell” based Desktop H-Series CPU and the H-Series Mobile CPU. The desktop H-Series “Broadwell” includes the top graphics Iris Pro 6200 with eDRAM for all available models. Compared to the U-Series the H-Series for both Desktop and Mobile need an additional PCH (chipset) to work.

5th Gen. Core Desktop “Broadwell” H-Series

  • i7-5775C
  • i7-5775R
  • i5-5675C
  • i5-5675R
  • i5-5575R

5th Gen. Core Mobile “Broadwell” H-Series

  • i7-5950HQ
  • i7-5850HQ
  • i7-5750HQ
  • i7-5700HQ
  • I5-5350H

cTDP feature in latest AMD and Intel processors

Configurable TDP (cTDP) is a mechanism to change the standard TDP of a processor to a lower TDP that requires less power and cooling compared to the standard TDP. This is achieved by a lower core frequency and voltage. cTDP is a requirement if the cooling solution of the CPU is not suitable, e.g. very thin devices or when a quite mode is preferred over the maximum performance mode. AMD made this feature first available in selected models of the “Kaveri” based A-Series. Intel introduced this feature in the U/Y Series of ultra low power “Haswell” mobile and newer mobile “Broadwell” CPUs. The cTDP feature from Intel is controlled by the firmware/EC and is set by the device manufacturer and cannot be changed, AMDs implementation allows the user to set this feature on selected desktop models (Kaveri, Carizzo) when the required option is available in the firmware/BIOS.
Mobile CPUs e.g. AMDs 2016 35W “Bristol Ridge” models have a cTDP range of 25-45W and
Intels 2016 “Skylake” top U-Line models have a base TDP of 28W and a lower cTDP from 23W to 22.5W (low power mode). The device manufacturer can set the value that fits the cooling solution in that device. In this case the setting is locked by the manufacturer and cannot be changed. The advantage is only one CPU for different thermal envelopes, but you have to check what cTDP is set to compare speed and battery life of the same CPU model.