RE: Color Classic hard drive intermittent

2015-12-16 Thread Wesley Furr 
On older drives, there are three resistor packs that look like this (though
maybe ugly yellow or black):
 
http://atariage.com/forums/uploads/monthly_07_2012/post-7524-0-94809200-1342
308910.jpg
 
On newer drives, there will be a jumper to turn it on and off.
 
Wesley
 

  _  

From: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com]
On Behalf Of slaws
Sent: Wednesday, December 16, 2015 7:56 AM
To: Vintage Macs
Subject: Re: Color Classic hard drive intermittent


I know proper termination is important and know how to check it on an
external drive. I do not know how to check termination on the internal
drive. How's that done?

On Tuesday, December 15, 2015 at 9:10:10 PM UTC-5, Wesley wrote: 

Any chance the power connector is somewhat loose from lots of plugging and
un-plugging?  I had a PC years ago that occasionally had problems and I
theorized it was a problem with the well-used power connection...
 
Aside from that, I'm not sure what to suggest...other than maybe making sure
it is terminated properly?  Though I'm sure you've probably already checked
that!
 
Wesley
 

  _  

From: vintag...@googlegroups.com   [mailto:vintag...@
 googlegroups.com] On Behalf Of slaws
Sent: Tuesday, December 15, 2015 12:44 PM
To: Vintage Macs
Subject: Re: Color Classic hard drive intermittent


Wesley, 

Yes, I've swapped those drives out a couple of times during this process and
so the connections have been removed and reconnected several times. 

Shane

On Tuesday, December 15, 2015 at 10:00:59 AM UTC-5, Wesley wrote: 

Have you tried re-seating the drive connections and making sure they are 
firmly re-connected? 

Wesley 


On Tue, December 15, 2015 9:28 am, slaws wrote: 
> My Color Classic has been intermittently failing to recognize the hard 
> drive on reboot. Also, when idle overnight, the computer on waking is 
> non-responsive. The mouse moves around the screen but menus don't respond 
>  and I can't select anything by clicking. 
> 
> Scans of the hard drive by Disk First Aid, Apple Personal Diagnostics, 
> and Alsoft's Disk Express II seem to indicate the hard drive is fine. I 
> have switched the hard drive out with another hard drive and have the same

>  issues with the second hard drive and get the same results from 
> diagnostic scans. 
> 
> Sometimes, not always, *Cmd+Option+P=R* to reset the pram, followed by 
> holding the *D* key to force booting from the internal hard drive will 
> result in booting from the hard drive. Because it doesn't always work I 
> think it may just be coincidence when it does work. 
> 
> Also, the computer consistently boots from a Zip drive and the floppy 
> drive. 
> 
> The computer has been recapped. 
> 
> 
> Any suggestions on what to consider next? 






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Re: Color Classic hard drive intermittent

2015-12-16 Thread slaws 
I know proper termination is important and know how to check it on an 
external drive. I do not know how to check termination on the internal 
drive. How's that done?

On Tuesday, December 15, 2015 at 9:10:10 PM UTC-5, Wesley wrote:
>
> Any chance the power connector is somewhat loose from lots of plugging and 
> un-plugging?  I had a PC years ago that occasionally had problems and I 
> theorized it was a problem with the well-used power connection...
>  
> Aside from that, I'm not sure what to suggest...other than maybe making 
> sure it is terminated properly?  Though I'm sure you've probably already 
> checked that!
>  
> Wesley
>  
>
> --
> *From:* vintag...@googlegroups.com  [mailto:
> vintag...@googlegroups.com ] *On Behalf Of *slaws
> *Sent:* Tuesday, December 15, 2015 12:44 PM
> *To:* Vintage Macs
> *Subject:* Re: Color Classic hard drive intermittent
>
> Wesley, 
>
> Yes, I've swapped those drives out a couple of times during this process 
> and so the connections have been removed and reconnected several times. 
>
> Shane
>
> On Tuesday, December 15, 2015 at 10:00:59 AM UTC-5, Wesley wrote: 
>>
>> Have you tried re-seating the drive connections and making sure they are 
>> firmly re-connected? 
>>
>> Wesley 
>>
>>
>> On Tue, December 15, 2015 9:28 am, slaws wrote: 
>> > My Color Classic has been intermittently failing to recognize the hard 
>> > drive on reboot. Also, when idle overnight, the computer on waking is 
>> > non-responsive. The mouse moves around the screen but menus don't 
>> respond 
>> >  and I can't select anything by clicking. 
>> > 
>> > Scans of the hard drive by Disk First Aid, Apple Personal Diagnostics, 
>> > and Alsoft's Disk Express II seem to indicate the hard drive is fine. I 
>> > have switched the hard drive out with another hard drive and have the 
>> same 
>> >  issues with the second hard drive and get the same results from 
>> > diagnostic scans. 
>> > 
>> > Sometimes, not always, *Cmd+Option+P=R* to reset the pram, followed by 
>> > holding the *D* key to force booting from the internal hard drive will 
>> > result in booting from the hard drive. Because it doesn't always work I 
>> > think it may just be coincidence when it does work. 
>> > 
>> > Also, the computer consistently boots from a Zip drive and the floppy 
>> > drive. 
>> > 
>> > The computer has been recapped. 
>> > 
>> > 
>> > Any suggestions on what to consider next? 
>>
>>
>> -- 
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> http://groups.google.com/group/vintage-macs
>  
> Support for older Macs: http://lowendmac.com/services/
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