Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!pasteur!ucbvax!decwrl!nsc!voder!apple!wrs From: wrs@Apple.COM (Walter Smith) Newsgroups: comp.sys.mac Subject: RS Mac II fan upgrade caution Message-ID: <12549@apple.Apple.COM> Date: 21 Jun 88 01:28:20 GMT Reply-To: wrs@apple.com (Walter Smith) Organization: Apple Computer Inc, Cupertino, CA Lines: 40 IMPORTANT DISCLAIMER: As an Apple employee, I want to make sure everyone understands the obvious: Apple does not endorse, recognize, or even contemplate the possibility of someone ripping their Mac apart to change their fan. If you should be reckless enough to do it, it's as the man says in Blood Simple: y'on y'own. Your warranty or AppleShare will vanish in a puff of smoke. Enough said. -------------------- I might have read these messages about fan switching and rushed out the next day to buy some fans at the local Radio Shack. In fact, I might have just installed three of them in some Mac II's here at work. They might actually work. I might be amazed at how much quieter these Macs are. But I wanted to warn people about the following situation: two of three Macs I looked at had Sony power supplies that had nothing to do with the instructions posted here, which apparently deal with Astec power supplies. The Sony supplies are slightly harder to deal with than the Astecs because they have a little PC board mounted above the fan. You have to untwist a metal tab and slice through some silicone cement holding the board to the fan, then take the board out. Also, it's a bit difficult to get the fans in and out, due to a tight squeeze between the fan and some capacitors. However, it's not all bad. The fan is held in with long screws that go all the way through to little brackets on the other side, so you don't have to deal with the press-in nuts. Anyone with some experience playing with the insides of equipment like this will have no trouble figuring it all out. But the posted step-by-step instructions are mostly useless--the case doesn't even open the same way--so if you were relying on them, check the name on your power supply before proceeding. - Walt -- Walter Smith Apple Computer wrs@apple.com Special Projects (408) 973-4015 Disclaimer: Anyone who thinks I might be representing Apple Computer, Inc. in any official capacity on Usenet, of all places, has a serious attitude problem.