Add some details of images that were checked and could not be used.

By adding the image details to the Description list, it will make it
easier to avoid duplication of effort.

Descriptions.txt

@@ -39,6 +39,9 @@
 
 # The iso images downloadable from Lenovo
 # (these checksums are those found on the Lenovo site)
+
+# First, the images that follow the same pattern as the xx30 series and
+# have both FL1 and FL2 - thus are straightforward to examine the EC
 6duj37uc.iso  sha1:0ac15607379ac71ed041181ab1987b123cb2884d x200 and x200s BIOS 3.10 (7XET60WW) EC 1.04 (7XHT22WW)
 6duj41uc.iso  sha1:016b85296694340cc1b70c956e6fdd775b14d261 x200 and x200s BIOS 3.14 (7XET64WW) EC 1.06 (7XHT24WW)
 6duj47uc.iso  sha1:06a23e319e1028bd7b4ea8358b2335d5e2eb2e64 x200 and x200s BIOS 3.22 (7XET72WW) EC 1.06 (7XHT24WW)
@@ -69,6 +72,10 @@ n1mur06w.iso  sha1:e2bed755c065daf83cabc130b8d65c08e6a6a391 x1 Carbon (Type 20HQ
 r02uj46d.iso  sha1:876a68add32d9c961cbdf80c74b88f92a66443cf x260 BIOS 1.19 (R02ET46W) EC 1.11 (R02HT29W)
 r0iuj09wd.iso sha1:21b3abf69b9ee7ecf12fe0880564312122b1ff75 x270 BIOS 1.16 (R0IET38W) EC 1.12 (R0IHT30W)
 
+# Next, a list of bios update images that have been downloaded, but
+# do not follow the pattern and cannot currently be examined.
+h3uj04wd.iso  sha1:3bbf65b61d1e2ed806ea6cf40b97d24c090c00dc e330 and v480s - no FL2 file (all in UEFI Capsule), FAT_OFFSET is 79872
+
 # The firmware files from inside the ISO images
 t430.G1HT34WW.s01D2000.FL2  rule:FL2,dep:g1uj25us.iso,depi:g1uj25us.iso.bat,param:01D2000.FL2  t430 EC 1.12 Flash File
 t430.G1HT35WW.s01D2000.FL2  rule:FL2,dep:g1uj40us.iso,depi:g1uj40us.iso.bat,param:01D2000.FL2  t430 EC 1.13 Flash File