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Author Topic: Think i damaged an A500 motherboard  (Read 1749 times)

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Offline dougalTopic starter

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Think i damaged an A500 motherboard
« on: November 03, 2011, 10:56:56 AM »
I stuck the 512kb ram expansion the wrong way. Now when i try and switch it on i get a yellow screen. If i insert a ram expansion i get a green screen.
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A1200HD- Blizzard 1230IV / 64Mb / Kick 3.1 / OS 3.9 / 20GB HD
A4000 040 @33Mhz -Kick 3.1 / 16MB
A2000 Rev4.4 - \'030 @25Mhz / 8MB / Kick 3.1 / ClassicWB
CD32 -     Stock (W/ 2 CD32 Controllers]
A500 Plus - 68000 / 2MB Chip / 2Mb Fast / 2.04/1.3 / A590 / A570
A600HD - 2MB Chip / 8MB Fast / 2GB CF HD / Kick 3.1
CDTV

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Offline mousehouse

Re: Think i damaged an A500 motherboard
« Reply #1 on: November 03, 2011, 01:01:20 PM »
Yellow was a chip RAM error I believe... maybe you fried the expansion board? Does it run without the board?
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A3000T
 

Offline dougalTopic starter

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Re: Think i damaged an A500 motherboard
« Reply #2 on: November 03, 2011, 01:18:28 PM »
Yes, YELLOW is without the expansion and Green with an expansion fitted.

Quote from: mousehouse;666357
Yellow was a chip RAM error I believe... maybe you fried the expansion board? Does it run without the board?
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A1200HD- Blizzard 1230IV / 64Mb / Kick 3.1 / OS 3.9 / 20GB HD
A4000 040 @33Mhz -Kick 3.1 / 16MB
A2000 Rev4.4 - \'030 @25Mhz / 8MB / Kick 3.1 / ClassicWB
CD32 -     Stock (W/ 2 CD32 Controllers]
A500 Plus - 68000 / 2MB Chip / 2Mb Fast / 2.04/1.3 / A590 / A570
A600HD - 2MB Chip / 8MB Fast / 2GB CF HD / Kick 3.1
CDTV

PowerMac G4 1Ghz (MorphOS / Leopard)

[url]http://amigamap.com/us
 

Offline mongo

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Re: Think i damaged an A500 motherboard
« Reply #3 on: November 03, 2011, 01:53:13 PM »
Quote from: mousehouse;666357
Yellow was a chip RAM error I believe... maybe you fried the expansion board? Does it run without the board?


Green is a chip RAM error.
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Offline mousehouse

Re: Think i damaged an A500 motherboard
« Reply #4 on: November 03, 2011, 02:22:02 PM »
Quote from: mongo;666361
Green is a chip RAM error.


I stand corrected indeed, Green is messed up chip RAM or a b0rked Agnus...

see: http://en.wikipedia.org/wiki/Power-on_self-test#POST_Sequence_of_Amiga

Yellow is the error my A3000D was giving me with incorrect clocking jumpers.
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A3000T
 

Offline dougalTopic starter

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Re: Think i damaged an A500 motherboard
« Reply #5 on: November 03, 2011, 04:06:38 PM »
Faulty Paula... Its fix now :) As soon as i replaced the PAULA it came up with that lovely Kickstart 1.2 screen. I'm playing midnight resistance right now
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A1200HD- Blizzard 1230IV / 64Mb / Kick 3.1 / OS 3.9 / 20GB HD
A4000 040 @33Mhz -Kick 3.1 / 16MB
A2000 Rev4.4 - \'030 @25Mhz / 8MB / Kick 3.1 / ClassicWB
CD32 -     Stock (W/ 2 CD32 Controllers]
A500 Plus - 68000 / 2MB Chip / 2Mb Fast / 2.04/1.3 / A590 / A570
A600HD - 2MB Chip / 8MB Fast / 2GB CF HD / Kick 3.1
CDTV

PowerMac G4 1Ghz (MorphOS / Leopard)

[url]http://amigamap.com/us
 
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