ready to throw something out the window

[voxel]

Hi DamageX :-)

Did you had a look at the clock's barrel battery? It can have leaked on the motherboard and caused some damages.

It is at the front of the mobo, near the keyboard connector.

[Hyperspeed]

Eh? Tick? Clockbase?

What are these, I thought timing was all done by oscillators on the motherboard?

:-?

[rkauer]

Hyperspeed wrote:
Eh? Tick? Clockbase?

What are these, I thought timing was all done by oscillators on the motherboard?

:-?

 Tick are present in all (at least 2000 and 3000 have it) bigbox Amiga's PSUs. But all MB have an "spare" tick signal generated by video DAC.;-)

 If the tick signal generated by the PSU goes dead the Amiga refuses to boot (the chipset interprets the lack of signal as "bad power supply" and stops the machine).:-o

[ethierbach]

rkauer wrote:

 If the tick signal generated by the PSU goes dead the Amiga refuses to boot (the chipset interprets the lack of signal as "bad power supply" and stops the machine).:-o

I don't doubt that could happen, but on my main 3000, it booted just fine, but the OS time clock refused to advance, because it never got the signal to "tick" from the power supply.  There's a thread about it in this forum somewhere, where I learned all about it.

-Ed-

[ethierbach]

Oh, BTW, DamageX, please check your pmail if you haven't.
-Ed-

[Amiga4k]

The young lady was asking about her problem. Not a PSU related tick. Gheez, you guys start chasing a bone, and forget where the meat of the issue laid.

DamageX, please let us know something, even if your Amiga became dumpster fodder.

[Hyperspeed]

by Amiga4k:
The young lady was asking about her problem.

Is DamageX a young lady?

:-D

[DamageX]

young... yes, lady... no, sorry to disappoint

The motherboard battery was removed long ago and IIRC there wasn't any significant corrosion.

Yesterday I went to plug in a null-modem cable and that caused the Amiga to crash. When I attempted to reboot (which was unsuccessful for a while) the terminal program on my PC laptop was showing the text "SAD!" Seriously. Is this an error code? The characters may not be relevant, I forget what bitrate the PC was set to at the time. I did get it to boot again later, left it running over night and succussfully backed up my HDD to the PC.

I kind of suspect the MB itself. I have had expansions in and out and could never narrow it down to any of them. Then again there may be multiple issues, as sometimes I get the blinking power LED, sometimes not, sometimes a Software Failure message, etc.

I have another A2000 PSU and I have yet to try exchanging those. Don't know if I will do any more any more troubleshooting though as I'm still leaning toward getting something else.

Thanks for the help.