On Oct 20, 2008, at 2:10 PM, Bobb Choate wrote:
> > Greetings Every1;; > > I had a similar issue and did as a previous eMail suggested - Mounted > in an external case with its own power supply and all was good!!! > > Peace > > Bobb > <>>< > If anyone experiences the same problem but wishes to keep the internal HDD running, here's info about installing extra power supplies inside the CC case: http://homepage.mac.com/wtnb/G3-2a.htm He added two for a G3 logic upgrade but it's useful info for installing just one PS for the HDD. -RPM > > On Oct 20, 2008, at 2:08 AM, Nico Vanden Eynde wrote: > >> Are you using a 7200 rpm or faster SCSI drive or the standard 80/160MB >> drive >> at 3800rpm ? >> The faster ( high rpm ) SCSI drives draw way too much power to install >> them >> in the Colour Classic. The PSU is just not up for this. >> >> Have a look at the hard drive power requirements on both the 5v and >> 12v >> lines. >> In the spec sheets ( Google them ), you can often find the spin-up >> current >> the drive needs, which is way more than the number on the drive: these >> are >> just for idle/working mode. >> >> Sometimes these more recent/faster SCSI drives work for a while in >> Compact >> Macs like to colour classic but in the end the regulators and >> capacitors in >> the PSU get overloaded and brake down. >> >> Also when a drive gets older, you often get "stiction" of the heads, >> which >> even asks more power to get the heads out of the parking position: >> then you >> see the hard drive typically spin up and down a few times on power-on >> before >> it completely shuts down. >> > > That must be the problem since the drive is indeed a 7200rpm 1.2GB. > > > -RPM --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/vintage-macs?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
