Date: Sat, 13 Sep 1997 13:28:50 -0700 (PDT) From: Tom <tom@sdf.com> To: Tom Jackson <toj@gorilla.net> Cc: freebsd-hardware@freebsd.org Subject: Re: Micropolis Runs Too HOT! Message-ID: <Pine.BSF.3.95q.970913131922.12596B-100000@misery.sdf.com> In-Reply-To: <19970913143722.25435@my.domain>
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On Sat, 13 Sep 1997, Tom Jackson wrote: > Hi all, > > Just started using a Micropolis Tomahawk, 7200 rpm 4.5 gb > hard disk about a week ago. All was well until yesterday > when starting getting scb messages and system froze. > Killed system (no shutdown,turn power off) and when trying > to startup again, the scsi bios did not see the disk at > scsi id 0. Took case off and the disk was hot to very hot > to the touch. Cooled it off with a fan and turned air > conditioning on. > > The long and short of it is now I am running my computer > with the case off and a fan blowing on the hard disk bay. > The hot mic is the bottom one in the bay. There is a drive > space before the next drive, also a Micropolis 2 gig, 5400 > rpm drive (it runs cool). > > Has anyone seen a problem like this and do you have any > suggestions. I have contacted the Micropolis web site but > have not heard anything back yet. > > The warranty is like a catch 22: "If you run the disk too > hot, we will void your warranty" <Sigh> > > Anyone, please > > Tom Microcopolis drives suck. You will need to mount a fan near the drive. I have two Micropolis 3243 drives. I eventually mounted two 50 CFM fans on the case, which kept the drives at room temperate. This worked well, but then one of the drives begain to develop bad sectors. I turned auto-remapping on, and the problem disappeared for a while, and then returned presumably because the spare area was full. This same drive started to hang on a weekly basis, and require a power cycle to be properly detected by the controller (same situation as your drive). Was definitely not heat related, as the drives are *well* cooled. Seems to be a software problem. I also have some more Microcrapolis horror stories involving a 24GB drive array. Microcrapolis engineers actually came onsite for this one, and did firmware upgrades, twice. After a year, the entire thing was sent back for full credit. Unless you like to punish yourself, DON'T get Micropolis drives. Tom
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