LDB-2 MB 11232-1 For Lenovo ThinkPad X230 X230i laptop motherboard with CPU i7-3612QE i7 3615QE I7 3687U I7 3520M Fully Tested _ - AliExpress Mobile
Found in a ThinkPad X230 dissassembly guide with the description "aply for new glues on CPU and GPU" - Sure looks like he's gluing something together : r/techsupportgore
I repasted my x230's CPU! : r/thinkpad
For Lenovo ThinkPad X230 X230i motherboard mainboard i7 i7-3520M CPU FRU 04X4513 04W6694 04W3716 00HM364 04X1409
LENOVO THINKPAD X230 X230 X230i X220 X220i Cpu Cooling Fan Heatsink FRU : 04w692 | eBay