[cobalt-users] Re: Core Voltage Adjustments

[Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>]

On Sun, 22 Jun 2003, Gerald Waugh wrote:
>
> On a RaQ3/4 there are five 0 ohm resistors that control
> the core voltage, R196, R197, R198, R199, and R200.
> These resistors are also marked 'A' 'B' 'C' 'D' and 'E'.
> I suspect that these same resistors are used on the Qube3
>
> The resistors are located near the edge of the board and
> to the left of the LCD connector, remove the RAM DIMMs for
> a better view!
>
> The resistors are similar to the configuration jumpers on most
> MBs and allow you to set the core voltage.
>
> To adjust the core voltage it is just a matter of removing
> or inserting 0 ohm resistors. A 0 ohm resistor is really just
> a wire. So a small wire may be soldered to the pads to
> obtain the same affect.
>
> A 2.0 volt Core Voltage is obtained by; (450Mhz Qube3/RaQ4)
>   Resistors R197, R198, R199, R200 are installed,
>   Resistor R196 is NOT installed.
>
> A 2.2 volt Core Voltage (300/500/550Mhz Qube3/RaQ3/4)
>   Resistors R197 is installed.
>   Resistors R196, R198, R199, R200 are NOT installed.
>
> A 2.4 volt Core Voltage (for a K6-III processor)
>   Resistor R198 is installed.
>   Resistors R196, R197, R199, R200 are NOT installed.
>
> As always your milage may vary (YMMV)!!!
> We bear no responsibility for using and/or abusing this info.

Following this post with more detailed information.
I have placed a chart for Core Voltage adjustments at;
http://store.raqware.com/k6CoreV.html

Gerald
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