Indigo CR2032 mod

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jan-jaap
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Indigo CR2032 mod

Unread postby jan-jaap » Sun May 27, 2012 12:36 pm

Pulled an Indigo from storage recently, only to find that the Sonneschein SL340 battery I put in many years ago had run out.

Since these batteries cost ~ 13EUR and require soldering I tried something else:
DSC_0081.JPG
CR2032 SMD socket, glued to LSI ASIC.

DSC_0084.JPG
Finished product.
Now this is a deep dark secret, so everybody keep it quiet :)
It turns out that when reset, the WD33C93 defaults to a SCSI ID of 0, and it was simpler to leave it that way... -- Dave Olson, in comp.sys.sgi

Currently in commercial service: Image :Onyx2:(2x) :O3x02L:
In the museum: almost every MIPS/IRIX system.
Wanted: GM1 board for Professional Series GT graphics (030-0076-003, 030-0076-004)

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bjornl
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Re: Indigo CR2032 mod

Unread postby bjornl » Sun May 27, 2012 1:24 pm

Nice.
I just found two of my Indigos with TOD symptoms, and was going to buy some Sonneschein batteries.
This might be a better solution for future battery changes.

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guardian452
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Re: Indigo CR2032 mod

Unread postby guardian452 » Sun May 27, 2012 1:55 pm

Has anybody tried a lipo battery yet? I'm not sure if it's the right battery type for this application (wrt standby discharge, recharging, lack of cycling), but I bought some 240mah, 3.7V lipo cells from amazon at $2 each for my thesis project and used a lipo charging IC built into my shoe. Just a mini usb port coming out to recharge, everything else is ANT (wireless)

but the price is very right. lipo is much cheaper than the coin-cells I was planning to use, can be recharged, and has slightly higher capacity for the same size.. good thing since the battery only lasts about 20 hours in my application!

http://www.amazon.com/Upgraded-Syma-S10 ... 653&sr=8-5 (the ad says 200mah, but mine were marked 240mah, ymmv...)

The smallest lipo battery, coupled with a charging IC for when the machine is on, should ensure the battery never dies.. and if it does, just charge it up again?

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pentium
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Re: Indigo CR2032 mod

Unread postby pentium » Tue May 29, 2012 3:20 pm

For a moment I was all confused why your battery was in a different position than mine. Then I realized you are rocking it with an R4K Indigo. :)

I find that you can get as many CR2032's as you need from any PeeCee you get your hands on. It's about a penny each if you get them and most of the time they are still good.
:Crimson: :Onyx: :O2000: :O200: :O200: :PI: :PI: :Indigo: :Indigo: :Indigo: :Octane: :O2: :1600SW: :Indigo2: :Indigo2: :Indigo2IMP: :Indigo2IMP: :Indy: :Indy: :Indy: :Cube:

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SAQ
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Re: Indigo CR2032 mod

Unread postby SAQ » Tue May 29, 2012 6:04 pm

pentium wrote:For a moment I was all confused why your battery was in a different position than mine. Then I realized you are rocking it with an R4K Indigo. :)

I find that you can get as many CR2032's as you need from any PeeCee you get your hands on. It's about a penny each if you get them and most of the time they are still good.


And they come with the holder, which can usually be hacked into place.

I like mounting it on the DMUX - I have mine on the GIO blanking plate leg, and it just doesn't have a nice look and feel.
"Brakes??? What Brakes???"

:Indigo: :Octane: :Indigo2: :Indigo2IMP: :Indy: :PI: :O3x0: :ChallengeL: :O2000R: (single-CM)

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BetXen
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Re: Indigo CR2032 mod

Unread postby BetXen » Wed May 30, 2012 12:23 am

Well done Jan-Jaap.
I like that and how you revived this nice old Indigo... ;)
:Onyx2: : oxygen / :A3504L: :A3504L: : neon (16xItanium2 1.6, L2 9MB) / :O200: :O200: : beryllium
:Fuel: : nitrogen / :Octane2: : carbon / :Octane: : fluorine
:O2: : hydrogen (R10k 195, 512Mo) / :O2: : sodium (R5k 180, 512Mo) / :O2: : R5k 180->200 motherboard and PM only
:Indigo2IMP: : helium (R10k 195, HighImpact, 160Mo) / :Indigo2IMP: : boron / :Indigo: : magnesium
:4D70G: 4D70GT : my very first one (now property of musée bolo and the foundation mémoires informatiques)
See the hinv/gfxinfo posts here.

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jan-jaap
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Re: Indigo CR2032 mod

Unread postby jan-jaap » Wed May 30, 2012 1:32 am

pentium wrote:I find that you can get as many CR2032's as you need from any PeeCee you get your hands on.

Correct. That's where I got the donor cell :)

SAQ wrote:And they come with the holder, which can usually be hacked into place.

The holders from a PC mainboard are through-hole. The ones I have are SMD so they can be glued to any non-conductive surface. They cost ~ 1€, I think it's worth it. I've glued them on top of Dallas chips and even on an Onyx IO4 PCB.

BetXen wrote:I like that and how you revived this nice old Indigo... ;)

Thanks. I think I'll have to revive half my Indigo2's and Indys as well next time I power them up ;)
Now this is a deep dark secret, so everybody keep it quiet :)
It turns out that when reset, the WD33C93 defaults to a SCSI ID of 0, and it was simpler to leave it that way... -- Dave Olson, in comp.sys.sgi

Currently in commercial service: Image :Onyx2:(2x) :O3x02L:
In the museum: almost every MIPS/IRIX system.
Wanted: GM1 board for Professional Series GT graphics (030-0076-003, 030-0076-004)

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BetXen
Posts: 275
Joined: Tue Sep 21, 2004 12:05 pm
Location: Vevey, Switzerland

Re: Indigo CR2032 mod

Unread postby BetXen » Wed May 30, 2012 2:11 am

If you have an Ikea nearby, you may even find SOLVINDEN... 8 CR2032 batteries for 1.99$ (or 2.5'0€, or 5.95CHF, that's not fair).
But be careful, you always come back with a lot of useless things :D

Regarding the battery holder, I think I used that one once because there are no metal parts on the bottom. The contacts can be bent on the sides.
:Onyx2: : oxygen / :A3504L: :A3504L: : neon (16xItanium2 1.6, L2 9MB) / :O200: :O200: : beryllium
:Fuel: : nitrogen / :Octane2: : carbon / :Octane: : fluorine
:O2: : hydrogen (R10k 195, 512Mo) / :O2: : sodium (R5k 180, 512Mo) / :O2: : R5k 180->200 motherboard and PM only
:Indigo2IMP: : helium (R10k 195, HighImpact, 160Mo) / :Indigo2IMP: : boron / :Indigo: : magnesium
:4D70G: 4D70GT : my very first one (now property of musée bolo and the foundation mémoires informatiques)
See the hinv/gfxinfo posts here.


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