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Date Posted: 16:18:44 04/10/01 Tue
Author: John Stocker
Subject: Re: Adding additional power supply??
In reply to: Justin Petersen 's message, "Adding additional power supply??" on 11:19:30 04/09/01 Mon

Some months ago, the esteemed Mr. Watanabe informed me that a 5500/6500 motherboard doesn't necessarily need 3.3v. It can generate a limited 3.3v supply internally; enough to power the board, ram, comm slot and A/V slot. It was only when I added a G3 upgrade that the onboard 3.3v was overpowered. So if you don't plan on adding PCI or L2 upgrade cards, the 3.3v regulator is probably optional.

5400/6400 boards do not generate their own 3.3v supply. Stuart, you might examine your 3.3v regulator to see if it isn't the cause of your 6400 board irregularities. A weak or fluctuating 3.3v regulator could cause your intermittant shut downs.

>I'm looking into adding the 3.3v PSU and putting a
>6500 board in but, I am wondering if there is anyone
>who's had problems installing these and/or how hard is
>it to do. A friend of mine did most of the other
>wiring and electrical work so I'm not that experienced
>in doing these sorts of things. Also, are there any
>good sites and shoehorning an iMac board into a CC. I
>know of Maxus but anyone done it in the States?

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Replies:

Re: Adding additional power supply?? -- Stuart Bell, 00:48:46 04/11/01 Wed
Re: Adding additional power supply?? -- Justin Petersen, 21:13:32 04/11/01 Wed