Please go to BIOS>Advance>CPU configuration>CPU Core Disable Bitmap to disable CPU cores.
The available bitmap for the customer is "0FF7FF7FFFEFFF7F".
First you need transfer this hexadecimal number to binary number.
In this case, transfer "0FF7FF7FFFEFFF7F" to
"0000 1111 1111 0111 1111 1111 0111 1111 1111 1111 1110 1111 1111 1111 0111 1111".
There are 56 number "1", means 56 cores of 3495x.
The default value of Core Disable Bitmap is 0. And it can be represented as
"0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000".
For example, if you want to disable 3 cores. You can add 3 "1" to Core Disable Bitmap value acroding to the "1" postion of Available Bitmap value.
For example,
"0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0111 0000"
Then turn Core Disable Bitmap value to hexadecimal.
You will get "0000000000000070", the preceding number "0" can be omitted. So the result is "70".
To disable 28 cores, you need add 28 "1" to Core Disable Bitmap value acroding to the "1" postion of Available Bitmap value.
"0000 0000 0000 0000 0000 0000 0000 0000 0011 1111 1110 1111 1111 1111 0111 1111".
Transfer it to hexadecimal, it's "3FEFFF7F"
So, add 3FEFFF7F to Available Bitmap value, system will disable 28 cores.
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