Tom's Guide > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > ANTEC 900 Top Removal + 200mm fan replacement

ANTEC 900 Top Removal + 200mm fan replacement

Forum CPU & Components : Power Supplies, PC Cases & Case Mods - ANTEC 900 Top Removal + 200mm fan replacement

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DrFixit   09-22-2007 at 09:51:44 PM

http://i53.photobucket.com/albums/g66/bignig_photos/antec900toptd3-1.gif
Thanks to nukemaster for obtaining picture.

ANTEC 900 Top Removal + 200mm Fan Replacement Guide

Top Removal

1. Obviously turn off ALL components attached to the case (I.E. PSU, and such)
2. Proceed to take side panels off (One is only needed but case is easier to handle)
3. Proceed to unscrew 2 screws (Marked in Yellow in photo) located at the center of the Upper Case (usually visible, but hard to find at first look)
4. Then, push all 4 retaining clips through, NOT alot of pressure is needed on these clips (AKA don't break them)
5. Give alittle tug for upper retaining clips to release (*BE CAREFUL due to CABLES are still attached to internal components and case)
6. Do a 90 degree rotation of upper panel so the fan is accessible.

Replacement of 200mm fan (BIG BOY 200)

1. Remove 3 screws that hold fan in place (Marked by green in photo)
2. Remove 200mm Big Boy fan
3. Proceed to place new fan in.

Reverse order to proceed to "normal" structure.

If this helps anyone, please post!


Message edited by DrFixit on 09-22-2007 at 09:54:01 PM
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polarity   09-22-2007 at 11:47:31 PM
- 0 +

:lol: *laughs at the ISA slots on the motherboard in the diagram*

Message quoted 1 times
Reply to polarity
DrFixit   09-23-2007 at 05:24:38 PM
- 0 +

HAHAHA, I didn't even pick up on that

Reply to DrFixit
WildClay   07-05-2008 at 02:50:42 AM
- 0 +

Thanks for posting this! Info on how to open the top of the Antec 900 case helped a lot. I have a huge XIGMATEK HDT-S1283 heat sync with a 120mm fan and it was a pain to get it all mounted in the case without taking off the top of the case. Thanks!

- Casey

Reply to WildClay
trstew   08-26-2008 at 08:01:56 AM
- 0 +

Regarding Step 3 of the top removal, I can't see any screws, only solid plastic. The only screws I see are 2 tiny ones accessed from inside the case, and I don't see how these could be the ones you refer to. Is it possible that Antec changed this?

Reply to trstew
mlj   08-29-2008 at 01:39:28 AM
- 0 +

There is a 900 B but i'm not sure what they changed on it.

Reply to mlj
wanderlustx2   06-13-2009 at 04:09:03 AM
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I believe the "B" was a change in how the slots lined up in the back, I recall reading about it when I bought mine after seeing some comments. It's been a long while but I think it had something to do with how the PCI-e lined up but mine was a "B", so I've had no issues until now. The 200mm replacement lead me here, it's about dead...

Reply to wanderlustx2
Baconader   06-19-2009 at 04:06:41 PM
- 0 +

So do you have to take off the front first as well? And are the screws under the top? Because I don't see any either. There needs to be a little more detail. My top fan stopped working and I'm going to replace it.

Reply to Baconader
ImpulsiveZ   06-24-2009 at 07:53:10 AM
- 0 +

can you replace it w/ a 220m or 180m fan? I can't find a 200m fan on newegg, and I don't want a replacement fan, just something better.

I was thinking something like this:

http://www.newegg.com/Product/Prod [...] 6835234004

Message quoted 1 times
Reply to ImpulsiveZ
Hellboy   06-24-2009 at 09:06:29 AM
- 0 +

polarity wrote :

:lol: *laughs at the ISA slots on the motherboard in the diagram*



Doesnt that go with a AGP 2x video card and 133MHz SDRAM.

Oh the days of early motherboards..

Now what processor was it ?

Reply to Hellboy
Mark_K   06-24-2009 at 06:15:20 PM
- 0 +

ImpulsiveZ wrote :

can you replace it w/ a 220m or 180m fan? I can't find a 200m fan on newegg, and I don't want a replacement fan, just something better.

I was thinking something like this:

http://www.newegg.com/Product/Prod [...] 6835234004



Read the reviw of this fan on newegg.
He is saying it is miss labled and it is only a 160mm fan.

Reply to Mark_K
preludedude   07-10-2009 at 08:25:10 PM
- 0 +

Thanx for the post,it really helped me,i was struggelin' cause i thought i did not have to remove the 2 screws in the middle,so i had stuck a pencil in each one of the corners and was cursin'cause the top still would'nt let go,back to the computer,googled this siet and 1 minute later tataaa! :D

Reply to preludedude
jmesun   07-14-2009 at 06:24:35 PM
- 0 +

yes, i have had my pc with the antec 900 now for over a year or so.. and the big boy fan went out. i thought i turned it off becuase of all the dust and whatnot.. but turns out it was broken stupid me. my one ? is where can i get the fan at. .i bought my rig at frys.. thanks

Reply to jmesun
fordlover49   07-15-2009 at 07:56:59 AM
- 0 +

My 19 month old decided to stick a screwdriver through the top grill and took off a blade or two (oops)..


I bought my replacement fan from Amazon, just haven't had a chance to install it yet.

Reply to fordlover49
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