diff --git a/lenovo/t420/4.8-2488-gb1baa980ea/2018-12-08T16_13_46Z/cbfs.txt b/lenovo/t420/4.8-2488-gb1baa980ea/2018-12-08T16_13_46Z/cbfs.txt
new file mode 100644
index 0000000..ea9efdf
--- /dev/null
+++ b/lenovo/t420/4.8-2488-gb1baa980ea/2018-12-08T16_13_46Z/cbfs.txt
@@ -0,0 +1,19 @@
+FMAP REGION: COREBOOT
+Name                           Offset     Type           Size   Comp
+cbfs master header             0x0        cbfs header        32 none
+fallback/romstage              0x80       stage           79660 none
+cpu_microcode_blob.bin         0x13840    microcode       25600 none
+fallback/ramstage              0x19cc0    stage          100145 none
+vgaroms/seavgabios.bin         0x32440    raw             27648 none
+config                         0x390c0    raw               128 none
+revision                       0x39180    raw               576 none
+vbt.bin                        0x39400    raw              1368 LZMA (3985 decompressed)
+cmos_layout.bin                0x399c0    cmos_layout      1960 none
+fallback/postcar               0x3a1c0    stage           15264 none
+fallback/dsdt.aml              0x3ddc0    raw             13778 none
+fallback/payload               0x41400    simple elf      67325 none
+payload_config                 0x51b40    raw              1700 none
+payload_revision               0x52240    raw               236 none
+etc/ps2-keyboard-spinup        0x52380    raw                 8 none
+(empty)                        0x523c0    null           578584 none
+bootblock                      0xdf800    bootblock        1968 none