csm

Revision 3 as of 2016-01-11 07:23:43

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Firmware Test Suite - csm test

This test checks to see if a UEFI firmware based system has Compatability Support Module enabled or not. For non-UEFI firmware, this test just checks to see if the video BIOS is enabled or not. Typical output is as follows:

Check for UEFI Compatibility Support Module.
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Test 1 of 1: Check for UEFI Compatibility Support Module.
Checking for UEFI Compatibility Support Module (CSM)
Int 10h jumps to 0xc0014 in option ROM at: 0xc0000..0xd0000
No CSM: Legacy BIOS firmware has video option ROM with Int 10h support.

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0 passed, 0 failed, 0 warnings, 0 aborted, 0 skipped, 1 info only.
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Examples:

fwts csm -