Apollo 1260 repair

eroom72 · 06 May 2011, 08:53

Hi, my 1260 was working fine until i simply removed it and put it back in my 1200, now it doesnt work. Is there anybody who knows how to repair these boards ?.

Have tried reseating the 060 and the mach chips but no avail.

Cheers.
Paul.

fitzsteve · 06 May 2011, 09:21

Hi!

Have you tried cleaning the contacts on the motherboard and Apollo? Use IPA and an old tooth brush and give them a good once over.

Also had the battery been removed and if so was there (or is there) and sign of leakage?

Photo's might help too.

All the best,

Steve.

eroom72 · 06 May 2011, 10:23

Ill try cleaning the contacts and let you know.
The battery was removed along time ago, cant remember seeing any leakage but ill check.

Paul.

altcomputing · 06 May 2011, 10:40

Sometimes moving the card a bit in the slot helps. You may also try reseating memory module(s).

eroom72 · 07 May 2011, 17:05

Solved it. Looks like the contacts between the board and the little power converter board are a bit dodgy.
Feel a bit daft now

spent the last couple of days reseating chips and memory modules and didnt even give that little board a seconds thought

.

Depending on what position the board is in decides how far the 1200 will boot, one position it wont boot at all, another it will only display the insert disk screen. But if i get it just right it will boot into workbench.

None of the pins look loose, maybe a dry joint ?. Has anybody had any luck soldering these directly to the main board ?.

alexh · 08 May 2011, 07:47

Quote:

Originally Posted by eroom72

Has anybody had any luck soldering these directly to the main board ?

If you have a towered A1200, someone recently pointed out that if you replace the module with connections direct to an ATX PSU then the board (with the right 060) will run stable much faster.

Photon · 28 June 2011, 20:18

Great tip Alexh! I'm very interested in this. Is there a pinout for this connector saying which voltages is required where?

JimmySage · 29 June 2011, 15:51

Quote:

Originally Posted by Photon

Great tip Alexh! I'm very interested in this. Is there a pinout for this connector saying which voltages is required where?

I too would be very interested in some instructions for this!

Photon · 29 June 2011, 23:04

OK, so you remove the board completely (not needed anymore) to reveal the following pins (squares should make it obvious, but orientation is like you see it when you lift off the lid of the A1200)

Quote:

Originally Posted by roy bates

ok my freind here go's connect the ORANGE wire to the following pins:1,2,3,4
connect the BLACK wire to the following pins:15,16,7,8

NOTE that the picture is not complete, 15 and 16 is also GND!

I am about to connect my PicoPSU this way.

If you want to know where to connect a 5V fan, it was connected to pin 12 (5V) and 15 (GND) on my Apollo. It's not hard to guess that pins 9-12 are in fact all 5V, and there are 4 pins connected to GND as roy said, not only pin 15.

bebek · 29 June 2011, 23:39

Many Apollo 1260 / 40 suffer from faulty oscillator 50MHZ - these dying like flies

and crystal sockets are not perfect too.

06 May 2011, 08:53	#1
eroom72 Registered User Join Date: May 2009 Location: doncaster/uk Age: 51 Posts: 36	Apollo 1260 repair Hi, my 1260 was working fine until i simply removed it and put it back in my 1200, now it doesnt work. Is there anybody who knows how to repair these boards ?. Have tried reseating the 060 and the mach chips but no avail. Cheers. Paul.

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06 May 2011, 09:21	#2
fitzsteve Professional slacker! Join Date: Jul 2009 Location: Kent, UK Age: 44 Posts: 6,683	Hi! Have you tried cleaning the contacts on the motherboard and Apollo? Use IPA and an old tooth brush and give them a good once over. Also had the battery been removed and if so was there (or is there) and sign of leakage? Photo's might help too. All the best, Steve.

06 May 2011, 10:23	#3
eroom72 Registered User Join Date: May 2009 Location: doncaster/uk Age: 51 Posts: 36	Ill try cleaning the contacts and let you know. The battery was removed along time ago, cant remember seeing any leakage but ill check. Paul.

06 May 2011, 10:40	#4
altcomputing MC68060@85MHz Join Date: Jan 2011 Location: Poland/Wroclaw Age: 38 Posts: 76	Sometimes moving the card a bit in the slot helps. You may also try reseating memory module(s).

07 May 2011, 17:05	#5
eroom72 Registered User Join Date: May 2009 Location: doncaster/uk Age: 51 Posts: 36	Solved it. Looks like the contacts between the board and the little power converter board are a bit dodgy. Feel a bit daft now spent the last couple of days reseating chips and memory modules and didnt even give that little board a seconds thought . Depending on what position the board is in decides how far the 1200 will boot, one position it wont boot at all, another it will only display the insert disk screen. But if i get it just right it will boot into workbench. None of the pins look loose, maybe a dry joint ?. Has anybody had any luck soldering these directly to the main board ?.

28 June 2011, 20:18	#7
Photon Moderator Join Date: Nov 2004 Location: Eksjö / Sweden Posts: 5,629	Great tip Alexh! I'm very interested in this. Is there a pinout for this connector saying which voltages is required where?

29 June 2011, 23:39	#10
bebek Registered User Join Date: Dec 2009 Location: Poole UK Posts: 349	Many Apollo 1260 / 40 suffer from faulty oscillator 50MHZ - these dying like flies and crystal sockets are not perfect too.

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