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Older AGP card type?

D

davision

Weaksauce
Joined
Mar 7, 2003
Messages
83
I'm upgrading an older PC, and I'm a little confused as to one of the slots in the board. There was a video card in it with an SIS 6326 chip and a label which says 3d pro h0 v1.23F.

The card fit into a slot that looked very much like a modern AGP slot except the spacing on the connectors is different -- there is a short tab (1") and then a divider space (also on the board) and a longer 2 inch slot.

What is this called? Is it still considered AGP even though a modern AGP won't fit into it?

I just want to find an old cheap card to put in the new Athlon board I got for it -- but I can't use this one.

What type of card should I be getting -- and what is this particular older standard called -- because I want to avoid it.

Thanks.
 
that card is probably a 1x or 2x AGP card, and the slot is a 4x and/or 8x agp slot.

The 4x and 8x slots give less voltage to the card, so they threw in the dividor do you cant put an old card it it, or it might kill something.
 
I always heard 8x slots could run 2x and 1x cards because it's completely backwards compatible, but that's just what I heard, I haven't tried it out.

~Adam
 
The killer with older AGP cards isn't the data rate, but the I/O voltage.

Found here:
AGP uses a physical card-to-slot keying system which is meant to make sure that cards that need one AGP signalling voltage can't be plugged into a slot that can only deliver another one. All GeForce 256 cards should be 1.5V-capable, though (as opposed to the old pre-AGP 4X 3.3 volt signalling), which means you shouldn't have any trouble using them on current boards.

There are a few mis-keyed video cards out there which are 1.5V-only but can be plugged into a 3.3V-only motherboard, with disastrous results, but you don't have a 3.3V-only motherboard, so there's no way that can be a problem for you. I don't know whether any GeForce 256 boards were mis-keyed in that way, anyway.

Note that the signalling voltage is not the same as the main card chipset supply voltage; that's still 3.3 volts, no matter what kind of AGP card you're using.
Click to expand...

Regards - B.B.S.
 
Simple solution:

get some black electrical tap and tap the keys on the card that use voltage from the agp slot. Then plug in the 3.3v and let it rip, that's if the card will run without the voltage from the board and can only run from the 3.3v. I saw someone do this on a mod for an apple g4 to use the apple g5 at radeon 9600 pro 128 meg gfx card, it had to be agp slot moded. Have fun.

~Adam

PS I have no responsibility for any hardware nor kittens you molest or kill from my suggests. As always if you fuck something up, it's your fault.
 
Originally posted by CleanSlate
Simple solution:

get some black electrical tap and tap the keys on the card that use voltage from the agp slot. Then plug in the 3.3v and let it rip, that's if the card will run without the voltage from the board and can only run from the 3.3v. I saw someone do this on a mod for an apple g4 to use the apple g5 at radeon 9600 pro 128 meg gfx card, it had to be agp slot moded. Have fun.

~Adam

PS I have no responsibility for any hardware nor kittens you molest or kill from my suggests. As always if you fuck something up, it's your fault.
Click to expand...
....man, on an Apple, maybe, but I've see three x86 mobo's fried with wrong AGP cards. This just sounds like a really bad idea......I wouldn't do it on a dare.

FWIW - B.B.S.
 
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