Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > are DVI to AGP converters any good
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Ridgeback   10-12-2007 at 10:48:50 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

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mactronix   10-12-2007 at 10:57:12 PM
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I have used them on my last two cards never had a problem
Mactronix

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Hatman   10-12-2007 at 11:05:48 PM
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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.

------------------------------ Na na na na na na na na HATMAN!
 Reply to Hatman
Ridgeback   10-13-2007 at 07:12:41 AM
- 0 +

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.

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justinmcg67   10-13-2007 at 07:35:57 AM
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I use a DVI to VGA adapter. Everything works just fine.

------------------------------ Intel NWPD Employee. Hawthorn Farm Campus. Navy DEPer, Ship Date: 080122 (YY/MM/DD)
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Ridgeback   10-15-2007 at 06:57:40 AM
- 0 +

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

Message quoted 1 times
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ejay   10-15-2007 at 07:46:19 AM
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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.

Reply to ejay
mrmez   10-15-2007 at 08:11:17 AM
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Dude u dont need to get a converter.
The card should come with 2 in the box.

Message quoted 1 times
------------------------------ Q6600 B3 3.0Ghz @ 1.125v
4850
P5B-D
8Gb 800mhz
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honestjohn_   10-15-2007 at 07:48:26 PM
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mrmez wrote :

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.


Message edited by honestjohn_ on 10-15-2007 at 08:17:22 PM
------------------------------ Gigabyte GA-P35-DS3R / Core2Duo E6600 @ 3.4 Ghz.
Enermax Liberty 620W / Corsair XMS2 4GB (4x1GB)
EVGA 8800GTS 512MB / Creative Labs X-Fi Xtreme
Samsung 500GB Spinpoint HD (x2) / Sony 810A DVD
Reply to honestjohn_
honestjohn_   10-15-2007 at 07:59:32 PM
- 0 +

Ridgeback wrote :

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


Message edited by honestjohn_ on 10-15-2007 at 08:23:00 PM
------------------------------ Gigabyte GA-P35-DS3R / Core2Duo E6600 @ 3.4 Ghz.
Enermax Liberty 620W / Corsair XMS2 4GB (4x1GB)
EVGA 8800GTS 512MB / Creative Labs X-Fi Xtreme
Samsung 500GB Spinpoint HD (x2) / Sony 810A DVD
Reply to honestjohn_
1HAPLO   10-15-2007 at 08:50:13 PM
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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

Reply to 1HAPLO
Ridgeback   10-15-2007 at 09:41:51 PM
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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

Reply to Ridgeback
TeraMedia   10-15-2007 at 10:37:26 PM
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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.

------------------------------ Pentium D 940 w/XP90C
D955XBK,2 x 1 GB PC5300 @ 4-4-4-12
HIS HD2600XT
4 x 400 GB WD4000YR RE2 (1TB RAID5, 125GB RAID0)
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michiganteddybear   10-15-2007 at 11:09:58 PM
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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.

Reply to michiganteddybear
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