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So... Just Acquired a Sealed Apple Service Quadra 900 Board in Box

jajan547

Well-known member
I just won an auction for a sealed new in box Macintosh Quadra 900 Logic Board. My question is do I open it or do I leave it as is. My main worry is that if these boards shipped with batteries installed I may be in some trouble but if not I should be okay and not necessarily have to worry. What do you all think, open it or keep it sealed?
 

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MrFahrenheit

Well-known member
Open it and use it. Maybe you can rig a PSU that would provide power and you could run it as a Q900 (without the Q900 case).

Or check it out and verify it’s all good (no damage) and look for a Q900 case missing a logic board / has logic board damage.
 

3lectr1cPPC

Well-known member
Assuming the NOS board is in good shape (did these have all solid caps?), look for a battery bombed 900 for "cheap" (I'll bet they're still really expensive even in that condition...) and get a working 900 for hopefully cheaper than a complete unit.
 

jajan547

Well-known member
Found it on eBay and made a random bid and won somehow. I'm gonna have a tough time tracking down another Quadra for "cheap" but would be willing to. I already have a 950 so I bought this on a "Oh that's rare might as well throw a random bid at it basis."
 

Byrd

Well-known member
Use it, service parts aren't really valuable unless you know they work/have purpose!
 

joshc

Well-known member
The NOS boards I've had came with batteries on them, and the supplier I bought from had ones in sealed bags that had battery bombed - you need to open this and check the battery is OK. If there's no battery, that's a bonus.
 

jajan547

Well-known member
The NOS boards I've had came with batteries on them, and the supplier I bought from had ones in sealed bags that had battery bombed - you need to open this and check the battery is OK. If there's no battery, that's a bonus.
AH great news I needed to hear but also not hear : ( 🤞Fingers Crossed.
 

volvo242gt

Well-known member
We can hope that it doesn't have a Maxell or a Tadiran installed. My Centris 650 had its original Saft battery installed when I got it. Battery was dead, but hadn't yet expanded to the point where it was about to explode.

At least, you now have a spare board for the 950, even though it has the slower '040 installed and may need some mods to bump it up to 33MHz.
 

jajan547

Well-known member
We can hope that it doesn't have a Maxell or a Tadiran installed. My Centris 650 had its original Saft battery installed when I got it. Battery was dead, but hadn't yet expanded to the point where it was about to explode.

At least, you now have a spare board for the 950, even though it has the slower '040 installed and may need some mods to bump it up to 33MHz.
I can only Hope please be a saft.
 

jajan547

Well-known member
I am so lucky! Battery installed but didn’t leak! Looks to be a “INORGANIC LITHIUM BATTERY” that is unbranded but the anti static bag is still sealed and this board has a ROM slot so that’s pretty neat because my 950 board doesn’t.
 

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joshc

Well-known member
Yep, had lots of those, the blue ones tend to be OK, never seen an exploded one. That is lucky they didn't install a Maxell there. No battery is immune though, so best to remove it now.
 

3lectr1cPPC

Well-known member
The blue battery is a Sonnenschein, seemingly pretty rare to find in these old Macs. Seems they used then around 1990-1992. I’ve never heard of one leaking but as said above, its best if you remove it because it is 30 years old after all. Awesome find!
 

joshc

Well-known member
The blue battery is a Sonnenschein, seemingly pretty rare to find in these old Macs. Seems they used then around 1990-1992. I’ve never heard of one leaking but as said above, its best if you remove it because it is 30 years old after all. Awesome find!
Maybe more popular in Europe. I've had them in a lot of Macs, all sorts, LCs, Performas, Quadras, Centris, etc.
 

Unknown_K

Well-known member
Q900 boards and machines are not that common compared to 950's (only sold for 6 months before the faster 950 came out). Unless you need a 68040/25 board in a dead 950 I would say test it and keep it in its box.
 

jajan547

Well-known member
I’m in the US and have only seen said battery in one other machine, a Color Classic ii I had imported from Japan.
 
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