To some, laptops should be as portable as possible. But in the case of this ThinkPad subnotebook from 2007, fans of its form factor went to extreme measures to keep the machine usable over a decade later.
Sources:
HWM, February 2008
Middleton's BIOS: https://www.thinkwiki.org/wiki/Middleton%27s_BIOS
ThinkPad X60 in docking station photo: https://www.reddit.com/r/thinkpad/comments/gabi2s/the_portable_thiccpad
ThinkPad UltraBay hard drive module photo: https://www.carousell.sg/p/hdd-caddy-for-thinkpad-1005253205
UltraBay adapter with hard drive: https://store.flagshiptech.com/ibm-lenovo-thinkpad-92p6557-60gb-4-2k-ultrabay-slim-2nd-hard-drive-assembly
X61 display upgrade photos: https://geoff.greer.fm/photos/x62
X61 display upgrade guide: https://ithinkpad.wordpress.com/2011/10/14/x6xipsguide
X62 motherboard and left ports photos: https://imgur.com/gallery/2Ei3kMc
X62 motherboard in bottom case; closeup of mSATA drive: https://web.archive.org/web/20180314140017/https://forum.51nb.com/forum.php?mod=viewthread&tid=1650395&extra=page=1
PCper X210 mod article: https://pcper.com/2018/07/51nb-thinkpad-x210-mod-review-from-an-alternate-reality
ThinkPad X62 photo: http://mikejmoffitt.com/articles/0048-x62-sxga60.html
X61 Hackintosh: https://commons.wikimedia.org/wiki/File:Thinkpad_X61_with_Mac_OS_X.jpg
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