Maybe this gives you the correct binary: [url]https://pcsupport.lenovo.com/ch/de/products/desktops-and-all-in-ones/lenovo-c-series-all-in-ones/lenovo-c540-all-in-one/downloads/ds038444[/url] (open with 7zip and extract I0KT33A.bin)

If you open it with UEFITool, you can see in the information box that this images is for 2 chips, my guess is "ME region" for the smaller EEPROM and BIOS region for the bigger one. It looks very similar to your two binary dumbs (if you concat them).

You could extract the BIOS region by right clicking and selecting "Extrect as...

Lenovo T495s 20QK
The first try didn't worked out and the bios beeped 5x times (wrong checksum). UEFITool revealed the wrong hash:
[CODE]FfsParser::checkProtectedRanges: Phoenix protected range [BB0000h:F30000h] hash mismatch, opened image may refuse to boot
RelativeOffset: 00BB0000h Size: 380000h
Hash: 894F0EC4AAE777028ADC60150B10ECE724FC165E6530129DD6B56E45623192E6
[/CODE]

With the help of HxD i calculated the SHA256 of above range and replaced the old hash with the new one (search the old hash and replace it with the calculated one with help of HxD)....