BIOS 1.15 version:
http://driverdl.lenovo.com.cn/think/download/driver/8764/BIOS%5Bjbuj50ww%5D.exe
Result:
0x2685E Grayout If: {19 82} 0x26860 Security: 85B75607-F7CE-471E-B7E4-2AEA5F7232EE {60 92 07 56 B7 85 CE F7 1E 47 B7 E4 2A EA 5F 72 32 EE} 0x26872 Not {17 02} 0x26874 End {29 02} 0x26876 Setting: DVMT Pre-Allocated, Variable: 0x37 {05 A6 61 04 62 04 1D 27 0A 00 37 00 04 10 01 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} 0x2689C Default: 8 Bit, Value: 0x1 {5B 1B 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} 0x268B7 Default: 8 Bit, Value: 0x1 {5B 1B 01 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} 0x268D2 Option: 32MB, Value: 0x1 {09 1C 63 04 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} 0x268EE Option: 64MB, Value: 0x2 {09 1C 64 04 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} 0x2690A Option: 128MB, Value: 0x4 {09 1C 65 04 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} 0x26926 End of Options {29 02} 0x26928 End If {29 02}