Cant remove cmos because of its strange position

Solution
Understood. Those upright battery mounts are fairly atypical. It should just pop out. Look closely, there are likely a couple of small retaining tabs that hold the battery in place. Just press those back and the battery should loosen and come right out.

The motherboard is ms-7327 I looked but it doesn't show how to take it out in the manual on the internet
 
Understood. Those upright battery mounts are fairly atypical. It should just pop out. Look closely, there are likely a couple of small retaining tabs that hold the battery in place. Just press those back and the battery should loosen and come right out.
 
Solution