thinkpad 770 error 161 and 163 on boot

[rovertjc]

laptop gives error 161 ANd 163 when loading I have replaced the cmos battery but can't get into bios

 

[ffg7]

read this link as it is old. https://forums.techguy.org/threads/ibm-thinkpad-770-post-error-codes-161-163-173.101926/