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(Reviewed) $400 2560x1440 IPS no-AG 90hz+ Achieva Shimian QH270 and Catleap Q270 - Page 168

Poll Results: Vote when your Achieva/Catleap monitor comes in.

 
  • 41% (232)
    Achieva QH270
  • 2% (12)
    Achieva QH270 (DOA / didn't recieve)
  • 8% (46)
    Achieva QH270 (Dead pixel(s) / flawed panel)
  • 40% (224)
    Catleap Q270
  • 1% (8)
    Catleap Q270 (DOA / didn't recieve)
  • 5% (33)
    Catleap Q270 (Dead pixel(s) / flawed panel)
555 Total Votes  
post #1671 of 4784
Thread Starter 
Quote:
Originally Posted by noak View Post

No one can point me in the right direction? Theres way too many pages in this thread

The program link for AMD cards is in the first post. ToastyX over at hardforum made it.

Quote:
How to run your monitor at a higher refresh rate, particularly if you have an AMD/ATI card (as Nvidia users can already set a custom refresh rate). The program someone over at hardforum made is the easiest way to do it, though other more effective ways are being investigated. Again, thank you ToastyX.

Program: http://www.toastyx.net/cru-preview.zip
Release notes: http://hardforum.com/showpost.php?p=1038342324&postcount=6
See also: http://www.sevenforums.com/tutorials/7947-force-dvi-hdmi-resolutions-refresh-rates.html

Edited by brucethemoose - 3/9/12 at 10:28pm
Bruce
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Bruce
(20 items)
 
  
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Seagate 1TB 7200RPM OCZ Agility 4 128GB PNY 240GB LG Blu Ray Burner 
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Hyper 212+ with extra fan Windows 10 Education x64 Shimian QH270 @110hz Medieval Dell OEM Keyboard 
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post #1672 of 4784
Ugh, I ordered mine on the 28th. Said I should have received it between the 2nd and the 7th, only got tracking information since the 8th...still in Seoul. mad.gif
post #1673 of 4784
Quote:
Originally Posted by quentin View Post

Ugh, I ordered mine on the 28th. Said I should have received it between the 2nd and the 7th, only got tracking information since the 8th...still in Seoul. mad.gif

Are you using the right tracking website? If it's EMS, then go here, click cancel twice, input tracking #, cancel twice again, and you should see info.
Hephaestus
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Hephaestus
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Core i5 2500K [4.5Ghz][100x45][1.29v] MSi P67A-GD65 [1.9 BIOS] MSi GTX670 PE OC MSi GTX670 PE OC 
RAMHard DriveHard DriveHard Drive
16GB Corsair Vengeance 1600Mhz [9-9-9-24] Crucial M4 256GB [CORE] WD Caviar Black 1TB [FILEZ] WD Caviar Black 2TB [GAMEZ] 
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LG Blu-Ray Combo Corsair H50 [Push/Pull][UltraKaze 3Ks] Windows 7 Ultimate x64 Retail SP1 Yamakasi Catleap Q270 27" S-IPS 
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post #1674 of 4784
Remember everyone, there are hundreds of orders for these sellers to get through. Each has to be wrapped, boxed, etc. Then customs forms need to be filled out for each one.
Patience!
post #1675 of 4784
Quote:
Originally Posted by Demented View Post

Are you using the right tracking website? If it's EMS, then go here, click cancel twice, input tracking #, cancel twice again, and you should see info.

Oh thank you. Seems to be in L.A., so I feel a bit better.
post #1676 of 4784
Anyone from Canada who bought this? Did you have to pay any import fees/duties, and if not, where did you buy it from?
post #1677 of 4784
The Shimian I got from dreamseller was marked as a $50 monitor gift so no fees/duties or anything.
post #1678 of 4784
Thank you brucethemoose for finding these. And thank you SherrytoN for selling your QH270-IPSB to me, these monitors are amazing!
post #1679 of 4784
Hi guys, I noticed the tracking link on Ebay automatically tries to query USPS for tracking info, which won't work if you are living outside of US. Please use your national postal service or the Korean postal service to track.
Quote:
Originally Posted by Spongeworthy View Post

Anyone from Canada who bought this? Did you have to pay any import fees/duties, and if not, where did you buy it from?

Mine has just arrived in Toronto airport according to the korean tracking site. We'll see how much customs will be. I got mine from dreamseller.
post #1680 of 4784
I don't remember this being posted here, so i'll just go ahead and post and link it. Credit to ToastyX for his fountain of information and Kalston for bringing it to our attention and summarizing the following info.

It has to do with TN panels with and without overdrive, and IPS panels with or without overdrive.
Quote:
Originally Posted by ToastyX 
TN panels aren't the fastest. They are only fast for certain gray-to-gray transitions. Manufacturers started using gray-to-gray measurements so they could claim lower response times on TN panels. As you've seen, TN panels are actually pretty slow with dark objects moving against light backgrounds, and without overdrive, some transitions are in the 25-30 ms range. Overdrive (response time compensation) is designed to reduce that, but how well it works depends on the implementation.

IPS panels are the opposite. They're faster with dark objects moving against light backgrounds, but they're slower for light objects moving against dark backgrounds, but even without overdrive, transitions never exceed 25 ms. Overdrive helps reduce the slower transitions to below one frame, making them almost as fast as a TN panel for gray-to-gray transitions.

VA panels are horribly slow with gray-to-gray transitions, and without overdrive, some transitions exceed 50 ms. The only way to compensate for that is to buffer frames to determine how much overdrive to apply, so either you have too much ghosting or too much lag, and when the overdrive implementation is bad, you can end up with both.

Basically, TN with overdrive and IPS with overdrive are the fastest, with TN being slightly faster for certain gray-to-gray transitions and IPS being slightly faster for other transitions.

You can usually tell if a monitor has overdrive or not based on the response time specs:

5 ms = TN without overdrive
2 ms = TN with overdrive
1 ms = TN with bull****

6-8 ms = IPS with overdrive
12+ ms = IPS without overdrive

VA panels almost always have overdrive these days, but the overdrive in the 3000:1 contrast VA monitors is not good enough to compensate for the poor gray-to-gray response times, which is probably why they don't lag like the ones with better overdrive.



It looks as if the Catleaps and Shimians have an IPS panel with either a mild overdrive, or no overdrive at all but with good native pixel refresh, a win-win either way imho since having mild or no overdrive = no overdrive related artifacts and anomalies. Here's that pixel refresh comparison chart posted a thousand pages back.
Edited by SJetski71 - 3/10/12 at 7:13am
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Overclock.net › Forums › Components › Monitors and Displays › (Reviewed) $400 2560x1440 IPS no-AG 90hz+ Achieva Shimian QH270 and Catleap Q270