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AuthorTopic: Dell UltraSharp 2007FPB 20" LCD Monitor  (Read 1336 times)

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Offline MarkPx

Dell UltraSharp 2007FPB 20" LCD Monitor
« on: December 20, 2017, 05:27:22 PM »
I apologize if this question has been answered before about this monitor.

I am looking at getting one of these monitors for my Amigas. Wanted to ask the forum if anyone has any experience using it with Amigas.

Will this monitor support 15KHZ? Will it work with Amiga's if one has the correct DB25 to HD15 converter?

Thanks for any information.
 

Offline Oldsmobile_Mike

Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #1 on: December 20, 2017, 05:46:30 PM »
I have that exact monitor hooked up to my A2000.  You can still buy them used and refurbished on sites like amazon.com for between $40-$100.  It correctly displays nearly every screenmode I can throw at it from my Indivision ECS and GVP Spectrum (P96) graphics cards, but does not, to my recollection, display 15KHz modes (even when hooked up to the composite port).

That being said, it's probably the most capable, largest, 4:3 aspect ratio (non-widescreen) screen you're going to be able to find out there for any sort of reasonable price in 2017.
Amiga 500: 2MB Chip|16MB Fast|30MHz 68030+68882|3.9|Indivision ECS|GVP A500HD+|Mechware card reader + 8GB CF|Cocolino|SCSI DVD-RAM
Amiga 2000: 2MB Chip|136MB Fast|50MHz 68060|3.9|Indivision ECS + GVP Spectrum|Mechware card reader + 8GB CF|AD516|X-Surf 100|RapidRoad|Cocolino|SCSI CD-RW
 Amiga videos and other misc. stuff at https://www.youtube.com/CompTechMike/videos
 

Offline jdryyz

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Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #2 on: December 20, 2017, 05:46:53 PM »
The 2001FP supports 15KHz although with some manual centering needed. I do not think the 2007 model works at all in 15KHz though.
 

Offline MarkPx

Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #3 on: December 20, 2017, 06:53:17 PM »
Thanks for the info guys.

Does anyone know of a 20" monitor that works well with Amigas using just a  DB23 to HD15 converter? Any brand? Any model? I have looked over the 15KHz list but most have exceptions (example: like the manual centering on the 2001FPB).

Is there a recommended flat screen 20" monitor that just works with no exceptions?

Thanks
 

Offline giZmo350

Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #4 on: December 20, 2017, 07:12:03 PM »
Well, the Gateway KX2153 21" LCD W/S Monitor works perfect for me with my A500's and the C< buffered adapter. Also, over at Epsilon's Amiga Blog - Epsilon discovered an Acer equivalent.

http://amigax1000.blogspot.com.au/2017/12/acer-lcd-screen-that-supports-amiga.html

Not so well with the A1200 yet but we're working on it as depicted here...

http://www.amiga.org/forums/showthread.php?t=72842

I'm going to get just a straight passthru 23pin to 15pin adapter here shortly and try that with the A1200 - and continue to pursue the buffered adapter's fix.
A500: 2MB Chip, 8MB Fast, IndiECS, MiniMegi, IDE4ZorroII on Z-500, KS1.3/KS3.1, WB3.1&BWB
 
A2000HD: 2MB Chip, 128MB Fast, P5:Blizz 2060@50MHz, PCD-50B/4GBCF, XSurf100, RapidRoad, IndiECS, Matze RTG, MiniMegi, CD-RW, SunRize AD516, WB3.9
 
A1200: 2MB Chip, 64MB Fast, 4GBCF, GVP Typhoon 030 @40MHz w/FPU, Subway USB, EasyNet Ethernet, Indi AGA MKI, FastATA MK-IV, Internal Slim CD/DVD-RW, WB3.5

Surfing The Web With AMIGA Is Fun Again!
 

Offline jdryyz

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Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #5 on: December 20, 2017, 07:43:45 PM »
I was curious where the "buffered" description is coming from. I thought the Commodore adapter was NOT buffered. I do not even know what that means in this context to be honest, but I thought that is what separates this:

http://retro.68k.pl/category/a1200/

from the Commodore and similar adapters.


Quote from: gizmo350;834259

Not so well with the A1200 yet but we're working on it as depicted here...

http://www.amiga.org/forums/showthread.php?t=72842

I'm going to get just a straight passthru 23pin to 15pin adapter here shortly and try that with the A1200 - and continue to pursue the buffered adapter's fix.
 

Offline giZmo350

Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #6 on: December 20, 2017, 07:55:25 PM »
Quote from: jdryyz;834260
I was curious where the "buffered" description is coming from. I thought the Commodore adapter was NOT buffered. I do not even know what that means in this context to be honest, but I thought that is what separates this:

http://retro.68k.pl/category/a1200/

from the Commodore and similar adapters.

Well, I always thought it was buffered (390682-01 quick search) as described here...
http://eab.abime.net/showthread.php?t=55386
A500: 2MB Chip, 8MB Fast, IndiECS, MiniMegi, IDE4ZorroII on Z-500, KS1.3/KS3.1, WB3.1&BWB
 
A2000HD: 2MB Chip, 128MB Fast, P5:Blizz 2060@50MHz, PCD-50B/4GBCF, XSurf100, RapidRoad, IndiECS, Matze RTG, MiniMegi, CD-RW, SunRize AD516, WB3.9
 
A1200: 2MB Chip, 64MB Fast, 4GBCF, GVP Typhoon 030 @40MHz w/FPU, Subway USB, EasyNet Ethernet, Indi AGA MKI, FastATA MK-IV, Internal Slim CD/DVD-RW, WB3.5

Surfing The Web With AMIGA Is Fun Again!
 

Offline jdryyz

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Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #7 on: December 20, 2017, 08:08:50 PM »
It makes sense. The Commodore adapter does have a chip inside. But I have used other adapters such as the one here:

http://www.amibay.com/showthread.php?78792-Amiga-VIDEO-VGA-Adapters-amp-Cables-DELUXE-(real-23pin-conns)

I got a non-buffered version from the seller and it too displays vertical bars on my monitor.  

Maybe his "buffered" version does not have the Commodore clock line connected and could be free of bars? Not sure why I got the non-buffered one from him. Probably due to my confusion on buffered vs non-buffered.

Quote from: gizmo350;834261
Well, I always thought it was buffered (390682-01 quick search) as described here...
http://eab.abime.net/showthread.php?t=55386
 

Offline giZmo350

Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #8 on: December 20, 2017, 08:23:10 PM »
So yours is simply a passthru (no IC inside)?

If that's the case then I wont bother buying a passthru.... good to know jdryyz. I keep meaning to google the chip inside (74HCT08 - quad 2-input AND gate) the C< version. Think I'll do that right now... :lol:

I'm going to pin this IC out to which ever (input and output) pins go to the monitor (MmmHmm - later).



Anyone else? :)
« Last Edit: December 20, 2017, 08:31:43 PM by gizmo350 »
A500: 2MB Chip, 8MB Fast, IndiECS, MiniMegi, IDE4ZorroII on Z-500, KS1.3/KS3.1, WB3.1&BWB
 
A2000HD: 2MB Chip, 128MB Fast, P5:Blizz 2060@50MHz, PCD-50B/4GBCF, XSurf100, RapidRoad, IndiECS, Matze RTG, MiniMegi, CD-RW, SunRize AD516, WB3.9
 
A1200: 2MB Chip, 64MB Fast, 4GBCF, GVP Typhoon 030 @40MHz w/FPU, Subway USB, EasyNet Ethernet, Indi AGA MKI, FastATA MK-IV, Internal Slim CD/DVD-RW, WB3.5

Surfing The Web With AMIGA Is Fun Again!
 

Offline jdryyz

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Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #9 on: December 20, 2017, 08:31:30 PM »
The one I got from the Amibay seller, yes. The Commodore is a buffered adapter, apparently. I learned that just today.  :D

Makes me curious now. I might crack open my non-Commodore adapter to see if it really is chip free.

Quote from: gizmo350;834263
So yours is simply a passthru (no IC inside)?

If that's the case then I wont bother buying a passthru.... good to know jdryyz. I keep meaning to google the chip inside (74HCT08) the C< version. Think I'll do that right now... :lol:
 

Offline giZmo350

Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #10 on: December 20, 2017, 08:35:49 PM »
Quote from: jdryyz;834265
The one I got from the Amibay seller, yes. The Commodore is a buffered adapter, apparently. I learned that just today.  :D

Makes me curious now. I might crack open my non-Commodore adapter to see if it really is chip free.

And please check to see if pin15 has continuity to ANYTHING inside! :laugh1: *

* We may be hijacking MarkPx's thread...  sorry....
A500: 2MB Chip, 8MB Fast, IndiECS, MiniMegi, IDE4ZorroII on Z-500, KS1.3/KS3.1, WB3.1&BWB
 
A2000HD: 2MB Chip, 128MB Fast, P5:Blizz 2060@50MHz, PCD-50B/4GBCF, XSurf100, RapidRoad, IndiECS, Matze RTG, MiniMegi, CD-RW, SunRize AD516, WB3.9
 
A1200: 2MB Chip, 64MB Fast, 4GBCF, GVP Typhoon 030 @40MHz w/FPU, Subway USB, EasyNet Ethernet, Indi AGA MKI, FastATA MK-IV, Internal Slim CD/DVD-RW, WB3.5

Surfing The Web With AMIGA Is Fun Again!
 

Offline Amiwest

Re: Dell UltraSharp 2007FPB 20" LCD Monitor
« Reply #11 on: December 21, 2017, 07:19:40 AM »
I checked pin 15 -no connection, checked shield not connected to gnd in the adapter.
I looked at the info on the 23 pin video connector. Most of the pins show an impedance (47 ohms on the unconnected pins) 75 ohms on the connected video pins. Pin 15 when plugged into the computer connects to "C! Clock Out" which seems to need to be terminated. My guess would be that a resistor between 47 ohms and 150 ohms would help. Same as SCSI some times will work without termination but more reliable with term. If the resistor was placed in the computer devices that used pin 15 would be double terminated. It is best in the adapter.