lulue@cod.UUCP (Dan L.Lulue) (10/08/86)
Here's what some IBM PC hardware types told me about moving air through electronic equipment. The current feeling is that the the air should be *pushed* through the box rather than pulled. The reason is that the fan doing the pushing should be fitted with a filter which will remove most of the dust present in the air. If your house is anything like mine, you have a lot of dust in the air. I noticed that after running a household fan for a week the fan blades and protective cage were just covered with dust and lint. The same debris that will plate out onto the motherboard of a mac (or a hard disk, for that matter). The point is, get a fan like a muffin fan and fit it with a filter that can be cleaned or replaced. I am told that they are available at many computer dealers but I have not shopped around for one yet. I'd apperciate reading any followup suggestions and comments. Dan.
werner@ut-ngp.UUCP (Werner Uhrig) (10/09/86)
the tech at the local consortium store showed me a "real dirty" mother-board the other day with the comment "he thought he could get that fixed under AppleCare...." "do you mean he'll have to pay for it? is that on instructions from Apple or your personal decision?" I asked. "Yep, he'll have to pay. Apple won't accept boards in such conditions" ... that particular Mac did not seem to have been retrofitted with an internal fan - at least, I saw no tell-tales - so unless an external one had been used, this was simply an 'old, dirty Mac' .... For a moment I was thinking of volunteering to clean it to save the poor owner the aggravation, but I forget what kept me from doing so ... I must have been in a hurry or something ..... Moral: Beware of costly dust - or learn to clean !!! (maybe this is all a bad dream??!!??) - not to confuse you, this is a TRUE story.
wmartin@ut-ngp.UUCP (Wiley Sanders) (10/09/86)
In article <4099@ut-ngp.UUCP> werner@ut-ngp.UUCP (Werner Uhrig) writes: >"Yep, he'll have to pay. Apple won't accept boards in such conditions" ... Seems like everyone is writing about their analog board failures these days, and now this outrageous service abuse story. (I presume there was just dust and not some substance like peanut butter and jelly all over the board.) I am starting to get kind of hacked off about this - of course my analog board failed about 6 mo ago, too. And my new board runs just as hot (130 deg at the top left vent) as the old one, as opposed to 115 for my neighbor's Mac Plus. Just how many of us have experienced analog board failure? Does anyone with access to Apple's corporate gossip have any idea what percentage of all analog boards have failed? Lets all bear in mind what happens to GM or Ford when something like this happens. >:-( Well, pardon the flameage, but,seriously, what percentage of boards have failed, anybody know? -w