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Offline mingleTopic starter

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Amiga 1000 boot problem(s)
« on: July 02, 2009, 06:42:21 AM »
Hi,

After finally getting hold of a Kickstart disk (thanks to adz) I booted my Amiga 1000, but seem to have a problem, or problems:

When I first power on the Amiga the power LED flashes rapidly 4 times, before a 5 second pause, after which the 'Insert Kickstart hand' screen appears. Then I insert the kickstart (1.3) disk and it boots from the kickstart floppy

After the kickstart disk loads (which it seems to do without any problems) the Amiga does a reset, but instead of the 'Insert Workbench hand' appearing the screen goes blank and the power LED goes brighter... and that's all it just sits there.

I've tried reseating all of the socket chips, but that didn't make any difference.

Does anyone have any ideas or suggestions?

Cheers,

Mike.
 

Offline mingleTopic starter

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Re: Amiga 1000 boot problem(s)
« Reply #1 on: July 02, 2009, 01:58:02 PM »
Hi Chaps,

Thanks for the replies...

Not sure of the board revision (I forgot to check and it's all back together now!), but it does have the RAM daughterboard fitted - what were they thinking when they designed that! :-)

I removed and reseated the RAM daughterboard too...

I also tried swapping all of the socketed ICs (apart from the Agnus) with ones from my A500, but that made no difference. It still boots from the KS floppy, then seems to freeze/hang/grind to a halt!

I'm hoping my KS disk is fine and suspect that the flashing LED at power-up means something like duff RAM...

Cheers,

Mike.
 

Offline mingleTopic starter

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Re: Amiga 1000 boot problem(s)
« Reply #2 on: July 02, 2009, 02:19:55 PM »
@save2600,

Many thanks for the info...

My A1000 also has the extra 256K RAM expansion in the front. I tried removing that and again, no difference...

It's annoying, since it used to work fine, but it has been in storage for over 10 years! :-)

I have to have a go at creating a new KS floppy using just my old single floppy 512K A500 and my PC! I have the instructions and relevant files. I just hope I have a working null-modem cable!

Cheers,

Mike.
 

Offline mingleTopic starter

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Re: Amiga 1000 boot problem(s)
« Reply #3 on: July 03, 2009, 05:11:06 AM »
Hi again,

No monitor on top and no side-expansions...

When it boots from the kickstart disk it "chugs" exactly 24 times as it reads the disk, then it does the reset and freezes.

I actually managed to get it to boot correctly (actually get to the Workbench screen!) on 2 occasions out of about 100 attempts.

Whether this suggests a bad KS disk, bad floppy drive or dodgy RAM I can't say.

My next course of action is to try the floppy drive out of my A500. This is actually easier to do that try and create new KS floppies from ADF files, using my bare A500 connected to my XP PC via a null-modem cable!

Stay tuned! :-)

Cheers,

Mike.
 

Offline mingleTopic starter

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Re: Amiga 1000 boot problem(s)
« Reply #4 on: July 03, 2009, 12:40:08 PM »
Hi,

Quick update:

I tried the Amiga 500 floppy derive in the A1000 with no change - still won't get past the initial reset.

I've tried reseating the ROM chips again, also with no difference.

Next step - trying to get together a new KS disk - actually I'll try a few different versions...

Cheers,

Mike.
 

Offline mingleTopic starter

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Re: Amiga 1000 boot problem(s)
« Reply #5 on: July 05, 2009, 06:23:07 AM »
Hi Bee,

I have aKS1.3 floppy, but it may be stuffed - I'm hoping that's my problem - so I'll try and create a few more KS floppies and see if that fixes it.

Thanks for the offer!

Cheers,

Mike.
 

Offline mingleTopic starter

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Re: Amiga 1000 boot problem(s) - SOLVED!
« Reply #6 on: July 05, 2009, 11:26:57 AM »
Hi All,

Well, it appears it was all down to a duff KS disk!

I managed to use transwarp and the ADF Sender Terminal program to transfer some KS ADFs from my PC to my lowly A500 and create some new KS disks (after having some probs - I didn't have the serial buffers set high enuff on my A500).

After I created a new KS1.3 floppy the A1000 now boots successfully, first time, every time!

I'm now a happy bunny!

Thanks to everyone for their suggestions and comments!

Cheers,

Mike.
« Last Edit: July 05, 2009, 12:03:05 PM by mingle »