Apple's products these days have more or less become impossible to upgrade. But it wasn't always that way, as this mid-90s Mac PowerBook 540c demonstrates.

Sources:
540c PPC sticker image: https://paizhang.info/wp-content/uplo...
"PowerPC Portables," Macworld, November 1995.
MacUser, May 1997.
NUpowr upgrade card photo: https://www.sekaimon.com/itemdetail/2...
In-box NUpowr upgrade photo: https://www.ebay.com/itm/203165067257
"New & Notable," MacUser, May 1997.
SeeWorld MonsterDrive page, 1997: https://web.archive.org/web/199703272...
FWB Hard Disk Toolkit CD-ROM photo: https://archive.org/details/Hard_Disk...
Quadra 605 photo: https://commons.wikimedia.org/wiki/Fi...
PowerPC Upgrade Card photo: https://wiki.preterhuman.net/File:500...
"More PowerBook 5300 Woes," Macworld, February 1996.

---------------------------------------­------------------------------------

Please consider supporting my work on Patreon:   / thisdoesnotcompute  

Follow me on Twitter and Instagram! @thisdoesnotcomp

---------------------------------------­------------------------------------

Music by
Epidemic Sound (http://www.epidemicsound.com) and Lakey Inspired (  / lakeyinspired  .
Intro music by BoxCat Games (http://www.box-cat.com).