Got a BNC cable for my monitor and...

Eug

Lifer
Mar 11, 2000
24,047
1,676
126
...it doesn't make much difference.

Rig:

Radeon LE @ 1600x1200 75 Hz 32-bit
Celeron 880 with Windows XP
Samsung 950p
Cable: not 100% true BNC though. VGA on one end and BNC on the other

All is not lost however. Now I can easily hook up my laptop, since the monitor allows one to toggle between BNC and VGA.

BTW, the 2D quality of the Radeon is totally awesome. On par with Matrox (although Matrox has more flexible 2D settings). I still can't figure out how to display 1400x1050 with my Radeon.
 

Goosemaster

Lifer
Apr 10, 2001
48,775
3
81
I just ordered a BNC cable myself..It'll be a few days 'till it gets here. My other monitor cable is screwed up..so I had an excuse to try this kind out. ;)

AS for the resolution dilemma, use Powerstrip. I used it for setting a pc to a plasma(about 858x480) and it was great.YOu can do any resolution.



Good luck
 

Mem

Lifer
Apr 23, 2000
21,476
13
81


<< All is not lost however. Now I can easily hook up my laptop, since the monitor allows one to toggle between BNC and VGA. >>




That`s what I do with my Two PCs since one uses the BNC connector(I did notice slight sharpness improvement) and the other standard VGA ,nice and easy that way :).


 

Eug

Lifer
Mar 11, 2000
24,047
1,676
126
I tried using Powerstrip, but it doesn't seem to work for some strange reason.

My Radeon LE does not have a TV out.
 

Gosharkss

Senior member
Nov 10, 2000
956
0
0


<< ...it doesn't make much difference.

>>



Thanks because BNC connectors are a legacy feature from the days before the DB-15 connector became widely accepted as the VGA standard. Today most DB-15 video cables use the same 75 Ohm mini coaxial cable as found with the BCN connectors. .

With any connector (BNC or DB-15) there is a possibility of an impedance miss match that could send ripples up and down the video cable. The ripples can be amplified by the video amp and show as shadows or ghosts after light to dark or dark to light transitions on the screen.

Most manufacturers are taking the connectors (BNC and DB-15) off the monitor all together and permanently attaching the cable to the monitor. By doing this they can solder the cable wires directly to the video amplifier board inside the monitor, effectively eliminating any chance of impedance miss match on the monitor end from a connector. An added benefit to a permanently attached cable is, you will never loose it, should you move your system. In any scheme there are trade off. The trade off in permanently attaching the cable is that if the cable should go bad, you need to send the entire unit in for service. My experience says that occasionally cables do break, but the failure rate of cables is very low.

Even if you use a BNC cable, the end that attaches to the video card is still the VGA DB-15. The impedance mismatch at that end of the cable can cause the same types of ghosting affect. If both sides had BNC connections then there would be some improvement. Someone much wiser than I said, it doesn?t make sense to anchor a bridge in concrete on one side and tree vines on the other.
 

Eug

Lifer
Mar 11, 2000
24,047
1,676
126


<< Thanks because BNC connectors are a legacy feature from the days before the DB-15 connector became widely accepted as the VGA standard. Today most DB-15 video cables use the same 75 Ohm mini coaxial cable as found with the BCN connectors. .

With any connector (BNC or DB-15) there is a possibility of an impedance miss match that could send ripples up and down the video cable. The ripples can be amplified by the video amp and show as shadows or ghosts after light to dark or dark to light transitions on the screen.

Most manufacturers are taking the connectors (BNC and DB-15) off the monitor all together and permanently attaching the cable to the monitor. By doing this they can solder the cable wires directly to the video amplifier board inside the monitor, effectively eliminating any chance of impedance miss match on the monitor end from a connector. An added benefit to a permanently attached cable is, you will never loose it, should you move your system. In any scheme there are trade off. The trade off in permanently attaching the cable is that if the cable should go bad, you need to send the entire unit in for service. My experience says that occasionally cables do break, but the failure rate of cables is very low.

Even if you use a BNC cable, the end that attaches to the video card is still the VGA DB-15. The impedance mismatch at that end of the cable can cause the same types of ghosting affect. If both sides had BNC connections then there would be some improvement. Someone much wiser than I said, it doesn?t make sense to anchor a bridge in concrete on one side and tree vines on the other.
>>



OK, but just so you're aware, I'm not complaining, since my VGA signal was excellent to begin with. (Shadow mask Samsung 950p with ATI Radeon LE.) No ghosting whatsoever, and the text is not blurry. (The VGA cable came with the monitor.)

I was just trying to say that it seems to me if that the hardware and cables are good and well-matched, it's not worth spending the extra coin on a pseudo-BNC cable (ie. not the 5-wire cable on both sides).