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are DVI to AGP converters any good

Last response: in Graphics & Displays
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October 12, 2007 8:48:50 PM

I still have an AGP board and I'm thinking of buying an HIS X1950 pro(dual DVI outs), problem is I'm still using a CRT monitor. Its a Samsung Synchmaster 700ift its a lovely screen(way better than a TFT) so I'm not changing it. Anyway I'm wondering are DVI to VGA converters any good.

Thanks
a c 130 U Graphics card
October 12, 2007 8:57:12 PM

I have used them on my last two cards never had a problem
Mactronix
October 12, 2007 9:05:48 PM

Personally I dont see teh differenec in screen quality between the 2, I use a dvi to vga connector on my HDTV and the picture is still very good. And its much easier to use then a DVI to HDMI cable since th TV picks the signal up and auto adjusts.
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October 13, 2007 5:12:41 AM

Ok guys thanks, i'll get me a new ati card and a converter and hopefully it'll extend the gaming life of my pc for a year or so, can't afford to build a new one just yet.
October 13, 2007 5:35:57 AM

I use a DVI to VGA adapter. Everything works just fine.
October 15, 2007 4:57:40 AM

One last thing I've got a Gigabyte 8KNXP mobo(socket 478) with P4 Northwood 3.2 Ghz CPU, 2 x 1gb of crucial 3200 DDR ram running dual channel. Antec trupower 550 power supply and an Asus X800 xt pe card. Is it worth my while swapping the X800 for a HIS X1950 pro. Also if so which is better.

1950 pro, 590 MHz core and 512 mb of 1540 MHz DDR3

or

1950 pro, 620 MHz core and 256 mb of 1480 MHz DDR3
October 15, 2007 5:46:19 AM

I have the same processor but on an Intel D865 PERLL motherboard. Moving from an X800XL to an X1950 Pro made a world of difference for me plus you have SM 3.0 support. From an XT PE you would see less difference, but would still provide a noticeable and measureable improvement for "newer" games.
October 15, 2007 6:11:17 AM

Dude u dont need to get a converter.
The card should come with 2 in the box.
October 15, 2007 5:48:26 PM

mrmez said:
Dude u dont need to get a converter.
The card should come with 2 in the box.


You got me curious and I took a look. All AGP Pro's come with one DVI/VGA Adapter except for the Sapphire Model which comes with two. I don't think he's looking for dual-monitor support anyway, so it doesn't really matter. Just thought I mention it. Good Catch though, you probably saved him some money.
October 15, 2007 5:59:32 PM

Ridgeback said:
One last thing I've got a Gigabyte 8KNXP mobo(socket 478) with P4 Northwood 3.2 Ghz CPU, 2 x 1gb of crucial 3200 DDR ram running dual channel. Antec trupower 550 power supply and an Asus X800 xt pe card. Is it worth my while swapping the X800 for a HIS X1950 pro. Also if so which is better.

1950 pro, 590 MHz core and 512 mb of 1540 MHz DDR3

or

1950 pro, 620 MHz core and 256 mb of 1480 MHz DDR3


Stay far away from HIS ICEQ3 Turbo Revision 1 cards (Product code ending in just -R) with clocks of 620 core / 1480 memory, they had issues with the default HIS core overclock. They later made a Revision 2 card with clocks of 590 core / 1540 memory (Product Code ending in R-V2). The Revision 2 card is also using better 1.2ns memory, while Revision 1 used only 1.4ns memory. I had two bad Rev.1 cards myself and OverclockersUK even recommended getting one from a different manufacturer after my second RMA.

Also note the Gecube and Visiontek models lack a temp diode so no GPU temp monitoring or fan speed adjustment can be done. They also use a different VRM design however which may make them less prone to overheating. Your call on what's important. Personally I like the Sapphire X1950 Pro 512.

Which power supply you have by the way? TPII 2.0 or original TP. Either one should handle the card, but the TPII has the larger +12v rail. Good luck.

Antec TruePower TP-550 30amps
Antec TruePower 2.0 TPII-550 35amps
a b U Graphics card
October 15, 2007 6:50:13 PM

My 9700 AIW, X1900 AIW, and my X1900GT all have DVI to VGA D-sub connectors, No problems.

I like them cause I didnt want to buy a new LCD, but I can get one with DVI without buying a new card..

1Haplo
October 15, 2007 7:41:51 PM

Honestjohn its a True550P.

Good call Mrmez that'll save me a few of quid.

However it does seem i'm going to need a molex adapter for the power to the card
October 15, 2007 8:37:26 PM

Sometimes the cards even come with a 4-pin to 6-pin adapter. My X1800XL did. It's not as good as a full, dedicated 6-pin (or 8-pin for latest cards), but if you're adapting anyway, check to see whether it already comes in the box.

The pins on the 6-pin are three pins at 12v, and three pins at GND. I took a volt-meter to mine and found that the triplets of pins (e.g. all three grounds) were electrically connected on the GPU card, so it didn't matter whether I connected 1, 2 or 3 wires to them as long as the current didn't cause excessive voltage-drop.

So yeah check the product pkging for a 4-to-6 pin molex converter. You might get lucky.
October 15, 2007 9:09:58 PM

yup, DVI-Dsub adapters work just fine.

what most people either dont know, or fail to realize, is that the full DVI standard includes the analog signal on the dvi connector! all the adapter does is to move it to the proper pins and gives you the right form factor.

Note: DVI-D may NOT have the analog signal. easy way to tell. look at the dvi connector, the large flat bar on one end of it.. if it has 4 small pins around it, it has analog. those 4 pins carry the rgb and analog ground. The other signals (hsync, vsync, and the pins associated the 'plug/play') all exist in the dvi pins as well.
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