Is my 6100 dead?

[feeef]

I haven't used my 6100 for a very long time. Today, I tried to boot it up but it didn't want to. The green light goes on and I could hear the hard drive spinning but there was no startup chime and no picture on the screen. 

The computer has some RAM and a brand new battery in it. The hard drive may be dead but it shouldn't be a problem for the startup sequence...

Do you think my 6100 is dead?

 

[markyb86]

Probably just needs new capacitors. Check around them for any leaks and see if any of them are bulging or popped.

 

[trag]

Are you certain that the new battery is actually good?  That sounds exactly like what they do when the battery is flat.  But could be leaky capacitors.   Is the ROM DIMM in place?  The x100 series has RAM on the logic board, so you could try removing all RAM, remove any L2 cache DIMM, remove, but then reseat the ROM DIMM and try again.

 

[uniserver]

yes, as trag said, with out a good pram battery it will appear as dead.   you could get it on by using the flip trick,   on - off - on but you kinda have to time it right.

 

[feeef]

Thank you all for your help! I just removed the motherboard and components, cleaned everything, put everything back and the 6100 has startup!

I took a picture of the motherboard for you to see if there is anything wrong. I removed the processor Heatsink for the picture but I put it back afterward.



As expected, the hard drive was dead so I found another one that I didn't use (2 GB) and installed System 7.6. It seems to work ok so far.

 

[trag]

Thank you all for your help! I just removed the motherboard and components, cleaned everything, put everything back and the 6100 has startup!

I took a picture of the motherboard for you to see if there is anything wrong. I removed the processor Heatsink for the picture but I put it back afterward.

Did you clean off the old heat sink grease (probably dry white powdery residue at this point in time) before replacing the heat sink?

If not, I recommend that  you do that and reapply new heat sink grease.   Otherwise you're setting yourself up for random system failures after from a few minutes to an hour of use. 

The bad heat sink grease problem is more common on the 7100, but because you removed the heat sink, you've disturbed whatever still-working formation of old dried out heat sink grease was in place.

Do not over-apply the new grease.   The stuff is just meant to fill in the minute gaps that exist between the CPU die (shiny rectangular bump in center) and the heat sink metal.   So it really only takes a tiny dab.  Too much and the stuff will run when it gets hot and get on the CPU pins.  Since it's electrically conductive as well as thermally conductive, that would be bad.  I ruined an x100 clone logic board learning this lesson.

 

[feeef]

Thank you for the advise trag! I did notice that the old heat sink grease was dry. I have some new grease so I will replace the old one.

Something else : I managed to install system 7.6.1 on this machine. Every time I restart the computer, my changes from the Views control panel (icons size) are reset. Nothing else is reset (time, sound alert...). Where is this setting saved? Is this due to a bad install or a hardware problem?

Thanks!

 

[feeef]

Something else : I managed to install system 7.6.1 on this machine. Every time I restart the computer, my changes from the Views control panel (icons size) are reset. Nothing else is reset (time, sound alert...). Where is this setting saved? Is this due to a bad install or a hardware problem?

I reinstalled the system and the problem was solved!

 

[uniserver]

Now all you need to do is replace the oscillator with a faster one, then it won't be so crappy slow

https://68kmla.org/forums/index.php?/topic/19285-overclocking-consolidation-threadvintage-mac-clockchipping/

This thread will help you if interested.

 

[feeef]

Thank you for the tip uniserver!

I will keep the 60MHz at the moment. I am not very comfortable with motherboard manipulation...

 

[uniserver]

i hear ya,

well maybe you can contact this member:  

bibilit
he is also in france, and is already proficient at changing oscillators