ADC - VGA

Hi
i have the G5 powermac oct 2004. The last G5 to carry the ADC and DVI ports i believe. hence my problem, as i don't want to pay for a very expensive apple display but i would like to dual monitor.
i already have the DVI going to VGA going to phillips 17". I plan on having that on my ADC port (converted to VGA) and convert the DVI port to VGA and use one of many old CRT's floating around the house.
I live in Australia and i would appreciate any info on the best way to get the combo i want. I already have a DVI to VGA converter
Thanks
Don King Resurrected

Hi Karl,
i think i might have accidentally posted in the wrong forum in state of confusion with lots of windows open.
Essentially i want to have two VGA ports. The G% i have comes with one ADC and one DVI port. I'm already using the DVI port with a VGA converter. We have another DVI to VGA converter lying around. To have some flexibility, if we ever get a DVI monitor, i thought of buying an ADC to DVI adapter, and then using the spare DVI to VGA conector with that. So i'd have three adapters sticking out the back of my computer with two VGA ports in the end.
The blasted ADC to DVI cable we bought doesn't have the four pins around the horizontal pin. As you indicated it sounds like we got a DVI-D port and obviously we want one with the four pins so we can use our spare adapter.
Hopefully i'm making more sense.
Thanks
DKR

Similar Messages

In terms of performance. Which adapter works better ? ADC-VGA or DVI -VGA

Or are parameters different ? Presently my CRT 20" Sony requires an adapter
for my G4. My graphics card suggest that I can add another monitor. It will be a LCD with DVI output. Is the performance better from the ADC-VGA option for the CRT ?
Thanks

ADC is a digital output so you will get the best performance from a digital panel LCD. An adapter will always costs a little on performance, but if you go VGA you lose quality by default in some area.

DVI vs ADC & VGA

Hi all
I have a G4 AGP with ADC/VGA video card ATY Rage(16mb)128pro connected to my 19" X2gen monitor via the VGA port. I'm not getting that sharpness with true colors. I heard DVI is the better video option for true colors and quality. Will i get better colors if I upgrade my video card to DVI? Or is my monitor very cheap quality and should I buy a ADC monitor?
Please help
Thanks
Web dude

To clarify, yes DVI offers the best quality as bit for bit information is passed for each pixel, it is truly digital as the acronym implies. Comparable to a lossy versus lossless in the media compression world... jpeg vs png, mp3 vs aiff etc
ADC, as with HDMI is simply a combination of DVI and other separate communication lines packaged into one cable with a different single connector.
ADC was Apples attempt at combining DVI with USB and FireWire into one connection for simplicity, but for various reasons including compatibility they finally switched to the standard DVI connection and gave a separate connector for each lead but continued to wrap them in the same insulation for neatness :P
HDMI is the same deal but with audio... they are also generally considered to produce lower quality imagery, even though the interface is the same, purely due to the generally poor quality of HDMI cables and connector.

What monitors are people using w/ there Rage 128 Cards (AGP) ADC/VGA

Need to get a new monitor and wondering if anyone is running a new LDC w/ this card?

thx John. I got the viewsonic VA912b. What a huge screen compared to my old apple 17" studio display CRT/ADC. Just trying to get used to a LCD. All my years of computing have been staring in CRT monitors. There is alittle bit of ghosting w/ LCD but I'm sure if i was using the DVI connection instead of the VGA it would probrably be crisper. But for right now i need to replace my old monitor the cheepest way and I could figure in buying a new video card and monitor at the same time. But maybe in the future i will get a new card and put this monitor up to its full potential. But I got to say it is nice looking into a 19" screen instead of a 17". I can't believe the size difference in the two inches.
Chris.

This is crazy ADC-VGA

This is getting nuts, no one makes an adaptor from ADC to VGA anymore? The last known one by Dr. Bott is no more.
Are we stuck with using a Apple monitor on the ADC port?
Grrrr....
Brian

Hi-
Welcome to Discussions!
Are we stuck with using a Apple monitor on the ADC port?
No, you can get an ACD to DVI adapter and use a DVI screen.
The ADC to VGA adapter shows up on eBay now and then.....

VGA monitors Via ADC Port

I have two VGA monitors I want to use with the Powermac G5. One plugs in happily to the DVI monitor slot by way of a DVI-VGA adapter.
I wanted to run the second one off the ADC slot. Couldn't find an ADC-VGA adapter so bought a ADC-DVI one and then plugged a DVI-VGA adapter into it. But this monitor screen is green. Have swapped the monitors over and swapped the DVI/VGA adapters over but always the same - Green Screen out of the ADC slot.
So questions 1) Is there anything I can do about it without changing video card or buying DVI monitor 2) Will a DVI monitor work properly out of the ADC slot with the adapter I have just bought?

http://www.google.com/products/catalog?client=opera&rls=en&q=adcto+vgaadapter&sourceid=opera&oe=utf-8&um=1&ie=UTF-8&cid=18358937889678973186#ps-seller s
-DH

Searching adc to vga adaptor

I'm trying to connect my second Monitor port to a VGA Display and am searching for the correct adaptor.
I found solutions on the net, but rather than paying more fore shipping than the connector is worth, I'm looking for someone who has one lost in some box he could spare.
I'm ok with spending some money on this, but then more than 50€ would be over the limit.
I'm resident on Mallorca (Balearic Islands - Spain).
Thanks in advance for any help provided.
Regs-
Andreas

You will need a ADC to DVI adapter
<http://www.amazon.com/Belkin-F2E9142-WHT-Apple-Monitor-Adapter/dp/B000067RLH/re f=dpcp_ob_title0>
or ADC to VGA adapter
<http://www.amazon.com/COMPUCABLE-ADC-VGA-Adapter-Cable/dp/B000071A8Q>
ADC to VGA adapters have become very scarce. If you have to use a VGA display, you can use a DVI to VGA adapter on the computer's DVI port. You can then connect your DVI display to the ADC port with the ADC to DVI adapter. (A DVI to VGA adapter won't work connected to a ADC to DVI adapter, since the ADC to DVI adapter doesn't pass the analog video signals needed for VGA.)
thanks to Malcom Rayfield

HDMI to VGA Kludge?

Does anyone know if bolting an XtremeMac XtremeHD HDMI to DVI Cable and then a Apple DVI to VGA Display Adapter (both off the Apple store for £16.95 and £15.00 respectively) into the back of the Apple TV and then into a cheapo (or small - sub 10") LCD screen would work?
Everything from a Mac Plus up to a MacBook Mac OS X (10.4.9)

I don't think this will work because I believe the Apple DVI to VGA Display Adapter doesn't actually convert DVI (digital) to VGA (analog) but instead tells compatible Mac graphics processors to output VGA on the DVI port.
If you Google "DVI to VGA converter" you should see two distinct price ranges, a very low one for adaptor cables that are like the Apple one & a much higher one for converters that actually do digital to analog conversion. See DVI ADC VGA converters - Digital flat panel monitor converters, HDTV for an example of the latter type of device & some useful info (in the note) about this type of conversion's limitations regarding content protection (HDCP).

2 Monitors w/ VGA cables

I'm trying to hook up 2 monitors with ADC-VGA adaptors. Is there an adaptor for the other monitor output on the back of my G5 or is there another way to make them both work for more desktop space? It is a Sony flatscreen and a VGA monitor, both with VGA cables and adaptors.

Hi Edwardo-
According to this document it appears as though you can only use one VGA monitor at a time with an adapter: Power Mac G5: Display Compatibility
Will it work with one VGA monitor attached?
Luck-
-DaddyPaycheck

ADC-DVI = green screen

Hello
I experienced the "green screen" problem connecting a second monitor to a G5. I suppose it's a problem of wiring in the ADC-DVI adapter. Does somebody know how to hack the adapter to let the monitor get the right signal from red and blue channels? ADC-VGA adapters are no longer available, and I don't want to put a second video card.
thanks to everybody

Hi-
Welcome to Discussions!
First, check that no pins within the connectors are bent.
If you want to rewire, here are some pinouts:
ADC connector pinout
DVI connector pinout
VGA connector pinouts
You may find This discussion helpful.

15" Studio Flat ADC Display PowerMac G4 400 MHz Radeon 7500 no video

Purchased a video card - Radeon 7500
ATI Radeon 7500 32MB ADC VGA MAC Edition video card
Computer is PowerMac G4 AGP Graphics (CPU type 2.7) 1 MB Level 2 cache
VGA works fine.
ADC is not operational. 15 inch (clear case) display not getting a signal, Profiler not showing any display connected to the ATY,Bluestone_B
SYSTEM REQUIREMENTS (VIDEO CARD)
Power Mac™ G4 with AGP 2X or AGP 2X/4X universal slot
DVD playback requires DVD drive
!!!!!!!!! WHATS WRONG?
PowerMac G4 400 MHz Mac OS X (10.3.9)

Hi Gary,
The G4 AGP graphics model is pre-ADC and its motherboard will not support a video card with a native ADC port. The ADC ports on such cards draw their power and USB feed via an extra leg on the card that fits into an extra slot at one end of the AGP slot on the computer motherboard. Your computer does not have this extra slot.
To run an ADC display off your computer, you can run a video card with a DVI output, then use a DVI to ADC adaptor such as this one:
http://www.drbott.com/prod/db.lasso?code=0111-DVAD
You can use VGA to ADC adaptors, but they are much more expensive (than a DVI to ADC adaptor plus another video card), and don't give as good a result.
Cheers!
Karl

Looking for ADC adapter

Hi have vintage (that sounds so sad) 2004 PowerMac G5 (2GHz) which has a video card that has a DVI and ADC port for monitors.
Apple ships the DVI --> VGA adapter with just about every computer. Does anyone know where I can get an ADC --> VGA adapter?
I'm hoping to run dual monitors on the box. 2 vid ports, seems like it should just work.
Thanks,
-Hugh

HI-
The ADC to VGA adapter is the rarest of rare animals.
It occasionally surfaces on eBay, but you can usually buy another graphics card for the cost.
You would be better off with a two port DVI graphics card such as the Geforce 6800 Ultra.
That can then use two DVI to VGA adapters to connect two VGA monitors.

How to connect my Cinema Display as a second monitor

I just purchased a new 27-inch iMac, and I explained to the Apple folks that I had a 17-inch cinema display (silver clad model) that I wanted to connect, for a dual monitor set up. They told me just to get the Mini DisplayPort to DVI Adapter, but I was surprised to realize that's not going to work.
Can anyone tell me how to do this, and what connector is actually needed? I have the big old white power brick that I bought to daisy chain my old 17 and 23 inch displays with my old configuration (Mac Pro).
Or can you not have a second monitor with an iMac?
Thanks in advance.

Hi Cathy,
What connector is on that Cinema? ADC, VGA, or DVI?
Video Card:
GeForce GTX 675MX
VRAM Type:
GDDR5
Details:
This model has a NVIDIA GeForce GTX 675MX graphics processor with 1 GB of dedicated GDDR5 memory. At the time of purchase, it can be custom configured with a NVIDIA GeForce GTX 680MX with 2 GB of dedicated GDDR5 memory for an extra US$150.
Standard VRAM:
1 GB
Maximum VRAM:
1 GB*
Built-in Display:
27" 16:9 Widescreen
Native Resolution:
2560x1440
Details:
This model has a 27" LED-backlit 16:9 widescreen TFT active matrix display with IPS technology and a native resolution of 2560x1440. Apple also reports that the "cover glass is fully laminated to the LCD and an anti-reflective coating is applied." Previous Aluminum iMac models have the LCD covered by glass. The company no longer reports viewing angle or contrast ratio, however. Site sponsor Mission Repair offers free diagnosis of iMac hardware problems and a 24-hour repair service for this iMac. Display replacement, keyboard replacement, a hard drive upgrade service, and more are provided.
2nd Display Support:
Dual/Mirroring*
2nd Max. Resolution:
2560x1600 (x2)
Details:
*This model can simultaneously support two external displays up to 2560x1600 via Thunderbolt.
http://www.everymac.com/systems/apple/imac/specs/imac-core-i7-3.4-27-inch-alumin um-late-2012-specs.html

How to connect old Cinema Display (plastic frame) to new imac 2012 27"?, How to connect old Cinema Display (plastic frame) to new imac 2012 27"?

I just got an imac 27 late 2012, and like to connect and old Cinema Display 20" with plastic border( looks like an easel) what adapter do I need?, if this. Is possible at all..., thank you

Hi Cathy,
What connector is on that Cinema? ADC, VGA, or DVI?
Video Card:
GeForce GTX 675MX
VRAM Type:
GDDR5
Details:
This model has a NVIDIA GeForce GTX 675MX graphics processor with 1 GB of dedicated GDDR5 memory. At the time of purchase, it can be custom configured with a NVIDIA GeForce GTX 680MX with 2 GB of dedicated GDDR5 memory for an extra US$150.
Standard VRAM:
1 GB
Maximum VRAM:
1 GB*
Built-in Display:
27" 16:9 Widescreen
Native Resolution:
2560x1440
Details:
This model has a 27" LED-backlit 16:9 widescreen TFT active matrix display with IPS technology and a native resolution of 2560x1440. Apple also reports that the "cover glass is fully laminated to the LCD and an anti-reflective coating is applied." Previous Aluminum iMac models have the LCD covered by glass. The company no longer reports viewing angle or contrast ratio, however. Site sponsor Mission Repair offers free diagnosis of iMac hardware problems and a 24-hour repair service for this iMac. Display replacement, keyboard replacement, a hard drive upgrade service, and more are provided.
2nd Display Support:
Dual/Mirroring*
2nd Max. Resolution:
2560x1600 (x2)
Details:
*This model can simultaneously support two external displays up to 2560x1600 via Thunderbolt.
http://www.everymac.com/systems/apple/imac/specs/imac-core-i7-3.4-27-inch-alumin um-late-2012-specs.html

Another dual display problem - GeForce FX 5200

I've seen lots of questions about dual display problem, situation when trying to connect two non-apple vga displays to your graphic card.
I have GeForce FX 5200 graphic card, with 2 display output's. And two DELL 17" vga LCD displays.
I manage to connect 1 display regulary with dvi to vga converter, but for other display I tried several difrent converters ADC to DVI to VGA, and it just did NOT work.
G5 could see other display in display settings, in arrange option I coud see two identical displays, but I don't get anu picture (desktop) on other display???
Is it problem with output's on my graphic card (Gforce FX 5200), could it be soloved with some ADC to VGA converter?
P.S. Dr. Bott ADC VGA Extractor is not compatible with GeForce FX 5200????
G5 dual 2.1Ghz Mac OS X (10.3.4)

I've seen lots of questions about dual display
problem, situation when trying to connect two
non-apple vga displays to your graphic card.
I have GeForce FX 5200 graphic card, with 2 display
output's. And two DELL 17" vga LCD displays.
I manage to connect 1 display regulary with dvi to
vga converter, but for other display I tried several
difrent converters ADC to DVI to VGA, and it just did
NOT work.
This won't work if the ADC to DVI adapter is not passing through the analog signals needed for VGA.
G5 could see other display in display settings, in
arrange option I coud see two identical displays, but
I don't get anu picture (desktop) on other
display???
Is it problem with output's on my graphic card
(Gforce FX 5200), could it be soloved with some ADC
to VGA converter?
Yes.
P.S. Dr. Bott ADC VGA Extractor is not compatible
with GeForce FX 5200????
It should work. On Dr. Botts web-site it says:
"VGA Extractor is compatible with any video card with an ADC port in a PowerMac G5"

ADC - VGA

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