A500+ internal battery, Rom sharer.

Rocs9005 · 21 January 2009, 15:13

Hi

Hopefully a quick question!
I have 4 Amigas, A500, A500+ and 2 A1200s.
I guess round here that makes me a beginner

The A500+ (Rev 8A board, with a Zytec 1MB chip ram expansion board) was an 18th birthday pressie from my parents, so I'm fairly attached to it.
I fired it up yesterday, and it's still working beautifully.
I keep reading comments about leaking internal batteries killing various Amigas, so was wondering... should I remove the battery? It's bound to be flat by now anyway.
Can I chop it off at the connectors? Not really sure I want to take a soldering iron near my A500+!

My A500+ has a "Phoenix Rom Sharer 1.0" in it, which says D.S.H Electronics 91 on it. It's a kickstart switcher with a 1.3 Kickstart Rom in the 2nd slot. It has a cable with a switch on the end for selecting which Kickstart ROM to use. Anyone seen this model before? Didn't find it on BBoAH, and a quick google didnt reveal anything much. Perhaps next time I take the lid off, I should take some pics.

Thanks,

Rocs

davideo · 21 January 2009, 15:31

@Rocs9005

Yes you should remove the battery. In a 500+ this is only used to maintain the time while your Miggy is turned off.

Just take care if you go the side snipper route. Also if the battery has leaked make sure you clean all the gunk off the motherboard.

Also pictures would help with your Rom switcher.

Dave G

Rocs9005 · 21 January 2009, 15:35

Thanks for the reply.
No visible sign of battery leakage yet, but I'll clean the area anyway.

Rocs

davideo · 21 January 2009, 16:31

If you feel adventurous you could always fit a replacement non leakable battery.

Have a look at the thread I started on the subject http://eab.abime.net/showthread.php?t=35291 (New Rechargable Replacement Battery)

It's not as difficult as you may be thinking. You just need a steady hand and a good soldering iron

Dave G

Fingerlickin_B · 23 January 2009, 08:32

Quote:

Originally Posted by Rocs9005

No visible sign of battery leakage yet

Really? Well take the opportunity & remove it NOW to preserve your prized Miggy!

PZ.

chiark · 23 January 2009, 11:10

The 500+ battery seems to be not too bad when it comes to leaking - at least visibly! I have 2 boards, both look good, however both don't recognise the RTC...

DoogUK · 23 January 2009, 16:25

They'll soon leak Nick, get rid of them

chiark · 23 January 2009, 18:14

They're both already off, and were within hours of receiving the machines

. Just an observation that the (a500+) batteries don't seem to go quite as catastrophically as 2000, 3000 or 4000 ones.

rkauer · 24 January 2009, 02:17

Quote:

Originally Posted by chiark

They're both already off, and were within hours of receiving the machines

. Just an observation that the (a500+) batteries don't seem to go quite as catastrophically as 2000, 3000 or 4000 ones.

Oh, yeah?

That's mine A500+, BTW.

21 January 2009, 15:13	#1
Rocs9005 Registered User Join Date: Dec 2008 Location: UK Posts: 24	A500+ internal battery, Rom sharer. Hi Hopefully a quick question! I have 4 Amigas, A500, A500+ and 2 A1200s. I guess round here that makes me a beginner The A500+ (Rev 8A board, with a Zytec 1MB chip ram expansion board) was an 18th birthday pressie from my parents, so I'm fairly attached to it. I fired it up yesterday, and it's still working beautifully. I keep reading comments about leaking internal batteries killing various Amigas, so was wondering... should I remove the battery? It's bound to be flat by now anyway. Can I chop it off at the connectors? Not really sure I want to take a soldering iron near my A500+! My A500+ has a "Phoenix Rom Sharer 1.0" in it, which says D.S.H Electronics 91 on it. It's a kickstart switcher with a 1.3 Kickstart Rom in the 2nd slot. It has a cable with a switch on the end for selecting which Kickstart ROM to use. Anyone seen this model before? Didn't find it on BBoAH, and a quick google didnt reveal anything much. Perhaps next time I take the lid off, I should take some pics. Thanks, Rocs

23 January 2009, 16:25	#7
DoogUK Doogster Join Date: Dec 2007 Location: Dorset Posts: 1,069	They'll soon leak Nick, get rid of them __________________ A1200 PowerTower/Apollo 1260-80mhz/64mb/Voodoo3/SB128/20gb IDE/ClassicWB 3.9 Beta

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21 January 2009, 15:31	#2
davideo Amiga Tomcat Join Date: Sep 2007 Location: Boston Lincs Posts: 1,028	@Rocs9005 Yes you should remove the battery. In a 500+ this is only used to maintain the time while your Miggy is turned off. Just take care if you go the side snipper route. Also if the battery has leaked make sure you clean all the gunk off the motherboard. Also pictures would help with your Rom switcher. Dave G

21 January 2009, 15:35	#3
Rocs9005 Registered User Join Date: Dec 2008 Location: UK Posts: 24	Thanks for the reply. No visible sign of battery leakage yet, but I'll clean the area anyway. Rocs

21 January 2009, 16:31	#4
davideo Amiga Tomcat Join Date: Sep 2007 Location: Boston Lincs Posts: 1,028	If you feel adventurous you could always fit a replacement non leakable battery. Have a look at the thread I started on the subject http://eab.abime.net/showthread.php?t=35291 (New Rechargable Replacement Battery) It's not as difficult as you may be thinking. You just need a steady hand and a good soldering iron Dave G

23 January 2009, 11:10	#6
chiark Needs a life Join Date: Jan 2008 Location: England Posts: 1,565	The 500+ battery seems to be not too bad when it comes to leaking - at least visibly! I have 2 boards, both look good, however both don't recognise the RTC...

23 January 2009, 18:14	#8
chiark Needs a life Join Date: Jan 2008 Location: England Posts: 1,565	They're both already off, and were within hours of receiving the machines . Just an observation that the (a500+) batteries don't seem to go quite as catastrophically as 2000, 3000 or 4000 ones.

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