BYTEROT - retro PCs, consoles and lost software
home | articles | how-tos | what's new | library | repair | connect | contribute | links
 
Get an account
Accounts are free. Join #retro on irc.fxnet.org, identify with NickServ and type !req.
[ how ]

IRC
#retro on irc.fxnet.org
6697 ssl · 6667 plain
modern + vintage clients welcome
[ vintage how-to ]

Sections
OS 1,075
DRIVERS 61
SOFTWARE 22
GAMES 10
UTILS 37
DOCS 561
INCOMING 0
REQUESTS 0
LIBRARY 25,406 files

Some stats
releases1,766
last 24h+750
online404.1 GB
library1.2 TB
members0
updated2026-10-04 23:30

 
Disassembling Macintosh IIsi System Fan
DeviceMacintosh IIsi
DifficultyModerate
TimeNo estimate
Steps2
This guide is by Chris Green on iFixit and is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0. ByteRot mirrors it for non-commercial preservation: formatting changed and photos resized for old browsers; full-size photos and the text are on the FTP in /DOCS/REPAIR. Original guide >>

The Macintosh IIsi has a case fan mouted on inside back of the computer case.


Step 1
[step 1 photo]
• The fan recieves power from two contacts on the logic board and has no connector.

Step 2
[step 2 photo] [step 2 photo] [step 2 photo]
• In all of the years that I have worked on this machine, I have found no good way to remove the fan.
• The best way to start, is to push in here on the side of the fan.
• Being careful not to exert too much force, try to push in, and wiggle the fan outward as such. (2nd Photo)
• You can now lift the fan all the way out, and remove it.
• The Fan Power Contacts on the Logic Board:

Conclusion
To reassemble your device, follow these instructions in reverse order.

Credit
This guide is by Chris Green on iFixit and is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0. ByteRot mirrors it for non-commercial preservation: formatting changed and photos resized for old browsers; full-size photos and the text are on the FTP in /DOCS/REPAIR. Original guide >>
[ all repair guides ]

[ByteRot] [FTP] [IRC] [Any Browser] [HTML 3.2]
© 2026 ByteRot · plain HTML 3.2, no JavaScript: works in Mosaic, Netscape, IE, Lynx and whatever you're using now · built 2026-10-04