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Offline XDelusionTopic starter

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DKB: 1240
« on: June 14, 2005, 09:01:49 AM »
I have a chance at picking up a DKB: 1240 with 32Mb of RAM at a decent price, but I've been told by the seller that it only works well with OS 3.0 (and below I assume), but OS 3.1 is unstable, unless you remove the RAM.

Anyone have a clue as to what could be the source of this problem?

Does OS 3.9 have the same issues?
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Offline amiga1260

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Re: DKB: 1240
« Reply #1 on: June 14, 2005, 09:05:31 AM »
I read on this site:

http://amiga.resource.cx/exp/search.pl?product=dkb1240

You can use kickstart 3.1 if you upgrade the firmware.
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Offline XDelusionTopic starter

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Re: DKB: 1240
« Reply #2 on: June 14, 2005, 09:57:06 AM »
And how does one upgrade the firmware himself?

All I see are SCSI drivers.
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Offline Crusher

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Re: DKB: 1240
« Reply #3 on: June 14, 2005, 10:17:29 AM »
OT: A little confusing name for beeing an Amiga hardware?
1240 usually means that it has an 040 but in this you have an 030@40MHz or even worse @28MHz.  :-o
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Offline XDelusionTopic starter

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Re: DKB: 1240
« Reply #4 on: June 14, 2005, 10:20:52 AM »
It's something at least...

...can't find any 040's at a reasonable price, everyone is asking near $400 it seems, at which rate I might as well hold out for the Colfire, or an 060 worth case scenario.
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Earth has a lot of things other folks might want... like the whole planet. And maybe these folks would like a few changes made, like more carbon dioxide in the atmosphere and room for their way of life. - William S. Burroughs
 

Offline doctorq

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Re: DKB: 1240
« Reply #5 on: June 14, 2005, 10:37:08 AM »
You can't upgrade the firmware youself, that I'm pretty sure of. I had one of these boards once, I'm glad I haven't gotten rid of it.

Stick to Phase5 boards, here you know what you get.
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Offline XDelusionTopic starter

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Re: DKB: 1240
« Reply #6 on: June 14, 2005, 10:51:35 AM »
Anyone know where I can get this flashed in that case?

Also, who owned the company that built this card, and what became of them?

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Earth has a lot of things other folks might want... like the whole planet. And maybe these folks would like a few changes made, like more carbon dioxide in the atmosphere and room for their way of life. - William S. Burroughs
 

Offline XDelusionTopic starter

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Re: DKB: 1240
« Reply #7 on: June 14, 2005, 08:02:02 PM »
would a softkick or what ever you call it when you load the Kickstart 3.1 rom via software, get around this?

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Earth has a lot of things other folks might want... like the whole planet. And maybe these folks would like a few changes made, like more carbon dioxide in the atmosphere and room for their way of life. - William S. Burroughs
 

Offline x56h34

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Re: DKB: 1240
« Reply #8 on: June 14, 2005, 08:14:22 PM »
You can upgrade the firmware yourself that would make the card work with KS3.1 if any ram is installed on the card.

You can flash it just like you can flash any Phase 5 accelerator card. There is an on-board flashrom on DKB Cobra and DKB 1240 accelerators.

The DKP Ferret SCSI utility disk has got the flash file on it. Simply UnDMS this image onto a floppy and it will become a bootable disk. Boot your A1200 with it and make sure your DKB1240 or Cobra has got no ram installed on it if you have 3.1 roms installed. If you still have 3.0 roms, it doesn't matter if there is ram on the accelerator or not. Follow the instructions and viola! Your DKB accelerator is 3.1 compatible.
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Offline XDelusionTopic starter

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Re: DKB: 1240
« Reply #9 on: June 14, 2005, 08:16:08 PM »
Hell ya!

Thank you VERY VERY much!
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Earth has a lot of things other folks might want... like the whole planet. And maybe these folks would like a few changes made, like more carbon dioxide in the atmosphere and room for their way of life. - William S. Burroughs
 

Offline XDelusionTopic starter

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Re: DKB: 1240
« Reply #10 on: June 14, 2005, 08:47:24 PM »
Ok, and one final question on this thing (I think).

Does it matter what speed FPU I toss on it, and does anyone understand how to activate it?
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Earth has a lot of things other folks might want... like the whole planet. And maybe these folks would like a few changes made, like more carbon dioxide in the atmosphere and room for their way of life. - William S. Burroughs
 

Offline Azryl

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Re: DKB: 1240
« Reply #11 on: June 15, 2005, 06:03:40 AM »
There is a jumper, J3, which sets the FPU speed to same as CPU or alternate crystal. Jumper J3 is between the crystal sockets so its very hard to miss!

Install your crystal for FPU and set the jumper if you wish to have different speeds.

enjoy
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