Hello!
I recently found out for myself an apparently old issue with different
versions of AGP and everything around it.
I read a warning that incompatable voltage could ruin the Mo-bo or video
adapter card.So I kinda started to worry because I have an old AGP 1.0 x2
Mo-bo (VIA Apollo Pro 133) and a newer AGP 3.0 x8 nVIDIA GeForce 4 MX 440
card.
The card seems to be what's called a universal keyed one.It has 2 keys on
it's bottom edge (for 3,3 and 1,5 V).
Also the card has been working fine for the last couple of weeks,so I would
assume I have nothing to worry about,except that I use AGP x8 card working
at AGP x2 speed.
So my general question is...If I have a 2 keyed card,then I can put it into
ANY AGP slot without any problems?
Same...if I have a Mo.bo with a universal AGP slot,then I can put into that
slot any AGP card as well?
'cos in any other case the physical construction (design) of the above said
equipment would PREVENT from using a mismatched voltaged equipment?
I read about some rare exceptions...what are they?
Also I read about AGP video cards with jumpers to switch voltage from 3,3 to
1,5....What's the point if the card WON'T fit into slot in a 1st place?Or
they talk about universal card (like mine) that physically WOULD fit in any
type of slot ,BUT UNLIKE mine won't automatically adjust itself to a work
under new voltage?
Out of curiosity...say,in my case...what actually happens-is the card works
with 3,3 V and at x2 speed OR it using a built-in transformer converts the
3,3 into 0,8 V and work at x2 speed? Not like it really matters,but...
From what I understood 0,8 V cards work fine with 1,5 V slots....(I would
assume at a lower speed x4 instead of x8).Is that right?
And the last thing...If I wanted to use my card at it's FULL speed
(x8)...then the only solution is to find a AGP 3.0 chipseted Mo-bo with
0,8V?
Alon
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