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Old 14 February 2009, 07:21   #1
DC33
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Apollo 1260 help needed

Hi there EAB friends,

As some of you may have seen on eBay (UK) recently, an Apollo 1260 was up for grabs. I ended up being the buyer, knowing well that it was sold as defective.

In short, the previous owner tried to solder another RAM slot, and in the process damaged some tracks. I have managed to get a fairly good picture of a similar board (http://www.amiga-hardware.com) however after confirming (at least I think I have) all tracks have continuity to their destination points and therefore excluding any possibilities of broken tracks, I am still no better at being able to fire the board up.

I found 3 broken tracks and a "possible" shorted one, however I cannot 100% confirm what I assume as being a problem, is in fact a problem.

Is there anyone here at EAB who might have a schematic to the board so that I might be able to check my board and confirm that I have not missed anything?
The problem is that the de-soldering iron that was used left a bit of a mess and it is very hard to see if a track is broken or not, and in a particular case it looks like it actually shorted another track...but I am not sure..!! Also, I do not want to damage the board further as I am quite sure it can be revived.

Alternatively, if someone could send me with a high res picture of their board (I understand both 1240 & 1260 use the same board) looking at the CPU side. This might clear a few questions I have, however a schematic would be a saviour.

Thanks heaps
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Old 14 February 2009, 09:26   #2
rkauer
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A good place to start is under the SMD TTL chip near the battery. If the batt has leaked, great chances the traces under the TTL are broken.

Look at this thread for more visual information.

Also, just soak the board with isopropanol to clean the burnt junk. No harm to the board itself.
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Old 14 February 2009, 09:42   #3
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Thanks rkauer,
Apparently.. and I mean apparently, the previous owner said that the board was ok "before" the attempted RAM slot addition. Nevertheless, visually, it seems ok although some areas look a bid questionable, but as I don't have anything else to compare it to, it is hard to start troubleshooting. Might have to send it to Dimlow (?) for a once-over.

Funny enough, it was Dimlow who bought my 2 1240's last year.... long story on my behalf...!!! But good to see he got it working.

Shall see how it goes, and thanks for your advice m8

Ohhh, forgot to say that the battery has had no leaks and has been replaced by a new one so no probs there.
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Old 14 February 2009, 17:33   #4
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here are some hires shots: http://www.amiga-hardware.com/showha...cgi?HARDID=111
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Old 14 February 2009, 21:00   #5
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@hit, Thanks m8. These are the very same ones I used as a guide, and although very good, I still need something just a tad better.
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Old 14 February 2009, 21:37   #6
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oh, ok. there is a french guy who repairs/upgrades such cards. its at least an option if anything else fails. i hope you get it working again, good luck.

Edit: this one: http://www.amigacenter.com/Homer.html
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Old 14 February 2009, 22:02   #7
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Hi DC33,
Apollo1260 fotos uploaded to the zone.
As here is night is the best I can do with artificial lights, hope they serve your needs.
Attention because seems to me that the Apollo board has more than 2 layers of elctronic tracks.
Wish you best of luck
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Old 14 February 2009, 22:15   #8
Zetr0
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I am under the impression that Apollo is infact a 6 Layer board (3 on each side)
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Old 14 February 2009, 23:50   #9
TheCorfiot
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Quote:
Originally Posted by Zetr0 View Post
I am under the impression that Apollo is infact a 6 Layer board (3 on each side)

I agree, which is one of the reasons I think having schmatics is the only option if you stand a chance of repairing this card

TC
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Old 14 February 2009, 23:51   #10
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@AlfaRomeo,
Many thanks... D/L now.

@Zetr0,
I believe you are indeed correct. nevertheless, the "damage" on this particular board appears to be only on one side and it appears not to have any deep damage, so fingers crossed.
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Old 14 February 2009, 23:57   #11
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Quote:
Originally Posted by hit View Post
oh, ok. there is a french guy who repairs/upgrades such cards. its at least an option if anything else fails. i hope you get it working again, good luck.

Edit: this one: http://www.amigacenter.com/Homer.html
Thanks m8. Will keep in mind if I get desperate.
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Old 16 February 2009, 02:10   #12
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Rather than keeping posts on two separate threads, I shall continue here. My last post in the other thread was:
" Almost there.........!!!!
Ok folks, the board is "working"...however !!!!!.....

Ok,
Managed to find the culprit "track" which in fact was NOT open, rather both shorted to "who knows what" and also open from the original path...

So now I have a working board, however......

When booting (from CF card and 1260 board fitted) the Ami GURU's over an over, BUT if I boot from floppy 3.1 WB disk there is no probs. When booting from 3,1 Install disk, the Ami GURU's again.????

I have re-installed WB 3.1 to see if it makes a difference, but the Ami hangs again into GURU mode.

I have downloaded the 060 drivers but have not been able to use the installer because it comes up with "no HD found".... although the CF card behaves like one..!!! WTF???

I manually copied the install files onto the different dirs without any luck as the Ami keeps on GURU'ing, so I have given up for the moment....

Funny thing is that the Ami boots up without any probs from floppy (WB 3.1) and the board is there sound as, but no joy from CF card.

Any ideas?

Cheers fellas.
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Old 16 February 2009, 02:11   #13
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@ Zert0 replied:
could be a memory fault,

try booting from CF WITHOUT memory installed. if it still guru's then its likely to be something more serious.

now, take a pic of the card jumpers m8 as this could be wrong, also you may need to swap out simms as well! so lots to do

remember, all hardware pr0n greatly appreciated!
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Old 16 February 2009, 02:17   #14
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@ Zetr0

With or without memory, I get the same result... a GURU during boot-up. I find it odd that it only happens when booting from CF card, but not from a floppy 3.1 WB disk. When booted from floppy, the board's memory is there and the speed benefit is definitely evident, so I can't think of what it could be as the board seems to be working fine otherwise.. I have tried other simms and have the same problem, so I strongly think that it isn't a simm problem.

I am at work at the mo, so will try different jumper settings etc later on tonight. Should have some prons for you by the time you get out of bed.....

Has anyone had this type of problem?
Thanks
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Old 16 February 2009, 08:15   #15
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Running update....
Have worked out that it is a conflict with a particular library but haven't worked out which...!!

I started off from square one by deleting all DH0 files and copying the WB3.1 floppy files across and rebooted. Worked perfectly !!
Secondly, copied C across from backed up DH0 and rebooted fine. Then copied the LIBS dir across and Mr Guru has reappeared, so I will go back to square 2.

Will get back to you soon.
Any ideas are appreciated.
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Old 16 February 2009, 08:19   #16
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Just as a thought, as I haven't been able to use the Apollo Installer, is there any command that needs to be added to the startup-sequence in order for the right libs etc to be loaded?
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Old 16 February 2009, 09:26   #17
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Isn't there a line that needs to be added to start-up - something to do with CPU or something like that - I am sure I had to add something when I had an Apollo.... sorry, sounding a bit vague here... I seem to remember my system wouldn't boot until I added something...
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Old 16 February 2009, 09:39   #18
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All going well so far. Have copied the Apollo driver files over to DHO and has booted up ok. I did read somewhere on EAB that better driver files exist on Aminet...? Might give them a go if I can find them.
'Be in touch.
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Old 16 February 2009, 10:06   #19
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Hmm... I am lost..!!
I have checked the CPU and it reads as a mask of Q1F43G, making it a 50Mhz 060 chip. However under Sysinfo it gives me a readout of Mips @ 38.70 which isn't even close.

Any ideas?

Will post pr0ns soon once I have had sorted this out first.

Last edited by DC33; 16 February 2009 at 10:19.
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Old 16 February 2009, 10:37   #20
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you can add "CPU60 B" to the startup and this puts the 060 in Best mode with all the cache's / pipes on etc

Now Sysinfo (is very old) and cannot work out what an 060 is so just uses the bench of an 040 at that speed, there are some other programs from Aminet that will help, an 060@50 should reach around 60MIPS.

you can manually put the libs in that wont hurt any, another thing to invest in is HSMaths, this will give you system a good boost as well (aprx 20% in mosy caculation routines and nigh on 80% in FPU calculations)
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