System - Sleep with IO Before and After (Certification)

This automated test cycles the system through various sleep states and performs I/O on the device before and after each sleep state cycle. For more information, see About the Sleep and PNP (disable and enable) with IO Before and After test.

Test details


Associated requirement(s)


See the system hardware requirements.


Windows 7 (x64)
Windows 7 (x86)
Windows RT (ARM-based)
Windows 8 (x64)
Windows 8 (x86)
Windows Server 2012 (x64)
Windows Server 2008 R2 (x64)

Run time

~5 hours

Running the test

For more information, see Device.Fundamentals Testing Prerequisites


Parameter Description


A WDTF SDEL query that is used to identify the target device(s). For more information about the DQ parameter, see Device Fundamental Test Parameters.


Required ONLY if there is a wired NIC on the test system AND it does not have an IPv6 gateway address. If determined to be required, please provide an IPv6 address that the NIC can ping to test network I/O (for example: fe80::78b6:810:9c12:46cd).


Number of test cycles.


IO period (in minutes).


For troubleshooting information, see Troubleshooting the HCK.

This test returns Pass or Fail. To review test details, review the test log from Windows® Hardware Certification Kit (Windows HCK) Studio.