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Author Topic: Deneb in reboot loop  (Read 3419 times)

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Offline HeiroglyphTopic starter

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Deneb in reboot loop
« on: June 26, 2011, 08:04:19 PM »
My previously working Deneb is making an A4000T get stuck in a reboot loop.

Even with just a floppy connected, it never reads the floppy, it's an immediate reboot.

I have tried other Zorro cards and the system will boot with them installed.

I have removed all other cards and tried multiple slots.

I have tried ZII jumper, no good.

I have a hard drive that was previously used with the Deneb in an A4000D so it does have the Deneb software installed.

If I disable the ROM with the jumpers, it will boot, is found but there is a warning that it is disabled. It can be written to and shows no error on the write.

I loaded a previously used PIO configuration and reflashed it, but no change.

I loaded the Quickstart configuration (I assume that is the default setup?) and this made no difference.

Help?
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Offline HeiroglyphTopic starter

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Re: Deneb in reboot loop
« Reply #1 on: June 26, 2011, 08:08:07 PM »
More information, I'm not seeing the color flashes at power on.

Rescue mode also doesn't allow it to boot.
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Offline Darrin

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Re: Deneb in reboot loop
« Reply #2 on: June 26, 2011, 08:08:23 PM »
Any other cards inserted into the Zorro slots?

Do you have a spare hard drive where you can install a plain OS3.1+Deneb software configuration to test?
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Offline HeiroglyphTopic starter

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Re: Deneb in reboot loop
« Reply #3 on: June 26, 2011, 08:12:15 PM »
I've removed all other Zorro cards.  There is still that SCSI that is built in, but in a previous 4000T that wasn't an issue (other than needing PIO mode).

Without the ability to boot I don't see how reinstallation could help.
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Offline platon42

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Re: Deneb in reboot loop
« Reply #4 on: June 27, 2011, 08:27:18 PM »
Quote from: Heiroglyph;647202
My previously working Deneb is making an A4000T get stuck in a reboot loop.

Even with just a floppy connected, it never reads the floppy, it's an immediate reboot.

I have tried other Zorro cards and the system will boot with them installed.

I have removed all other cards and tried multiple slots.

I have tried ZII jumper, no good.

I have a hard drive that was previously used with the Deneb in an A4000D so it does have the Deneb software installed.

If I disable the ROM with the jumpers, it will boot, is found but there is a warning that it is disabled. It can be written to and shows no error on the write.

I loaded a previously used PIO configuration and reflashed it, but no change.

I loaded the Quickstart configuration (I assume that is the default setup?) and this made no difference.

Help?


Boot with ROM-OFF Jumper (or with the left mouse button pressed or whatever you set in the boot loader config to disable the loading of the FlashRom contents).

Reinstall Luciferin. Really. Perhaps even delete the contents in the old location. The modules that are extracted during the install process from the boing bags are machine dependent. The A4000D has the IDE-driver "scsi.device", the A4000T has the NCR scsi.device. There are more differences, but this is the most important. If you had built a custom rom of 40.69 with RomSplit/Remus, don't use it for your A4000T.

If you are still getting reboots, erase all flash rom content.

If it starts crashing with any single (whatever) rom tag installed, this might indicate a faulty fast RAM section at the END of your memory (which is usually not touched until your ram starts getting full...).
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Offline HeiroglyphTopic starter

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Re: Deneb in reboot loop
« Reply #5 on: June 28, 2011, 01:16:17 AM »
Good info.

I did use Luciferin yesterday to delete everything and it didn't help.

Do those modules load before the Deneb flashes the screen?  Because I'm not seeing those either.

I'll let you know if this helps as soon as I know.

Thanks
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Offline TheGoose

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Re: Deneb in reboot loop
« Reply #6 on: June 28, 2011, 01:56:42 AM »
Just posting to kick down a thread I don't like appearing on my Amiga forum community...

move along...
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Offline platon42

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Re: Deneb in reboot loop
« Reply #7 on: July 01, 2011, 10:04:51 AM »
Quote from: Heiroglyph;647402
Good info.

I did use Luciferin yesterday to delete everything and it didn't help.

Do those modules load before the Deneb flashes the screen?  Because I'm not seeing those either.

I'll let you know if this helps as soon as I know.

Thanks


Strange. Try the other kind of bootloader (permanent vs. standard). The screen changes its color on entering the bootloader and then on every successful romtag install.
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Offline nicholas

Re: Deneb in reboot loop
« Reply #8 on: July 01, 2011, 01:03:46 PM »
Quote from: TheGoose;647406
Just posting to kick down a thread I don't like appearing on my Amiga forum community...

move along...


???
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Offline HeiroglyphTopic starter

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Re: Deneb in reboot loop
« Reply #9 on: July 03, 2011, 08:07:16 PM »
Following up on the problem for future reference...

I'm not positive why this worked, but here is how I got it running again.

I tried another A4000D (like it was last used in) and it caused a very similar problem so it wasn't completely 4000D/40000T specific.

This one did boot with the RES jumper set, so I installed the Deneb software from it. It's hard to clean reinstall an Amiga without a PC with a floppy drive or an Amiga with USB or CD access, so I used the built-in, not updated version.

I rebooted with the ROM jumper set to disable the ROM.

I tried clearing the ROM, but it was already empty.  Instead I loaded the Quickstart configuration and flashed that into it.

After powering down and changing the jumper to normal, the system booted and worked.

I haven't tried it again in the 4000T, but for now I'm planning to use the 4000D anyway.

Maybe this will help someone.  If I do use it in the 4000T in the future I'll update this thread, but I've been meaning to buy a second and third Deneb anyway.
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