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Mac OS X  |  System / Utilities  |  Other System / Utilities  |  SwitchResX  |  Works with Leopard

SwitchResX

SwitchResX

Custom resolutions, desktop icon position saving & more.

Version:  4.0.0

   [ Views: 602 ]

Works with Leopard

Feedback Type:  Review

Contributed by: rd0001 Monday, August 04 2008 @ 04:03 PM PDT

Product Platform: MacOSX

Used Product For: Less than a month

Recommend Product: YES

First, I want to clarify something about this utility that many people misunderstand.

The installation and use of APE (an low-level application enhancer with various OS and application plugins) is not required. I note many persons who say they will not use this utility because of this issue. You don't have to use it unless you intend to block certain resolutions or unless you intend to redirect requests for certain resolutions into other resolutions automatically. This is not what most people need a custom display driver for.

You may choose during installation to avoid installing APE altogether. It is clearly marked and you must authorize its installation separately from the rest of SwitchRes. So it won't just sneak APE in on you during the install. And you can remove APE at any time if you don't require those few features that use APE.

I use an older 32" Sharp LCD TV as a second display. Its native EDID only goes as high as 1280x768 (not sure if newer Sharp units have corrected this problem). However, the TV can actually display up to 1366x768. Due to needing multiples of 8, most display tweakers choose to use a resolution of 1360x768 for sets of this type. So I wanted to get rid of my black bars and fill the Sharp screen border to border without stretching, banding artifacts, etc.

My primary machine is a 2006 model Mac Pro with an nVidia 7300LE dual-headed display card. The Mac Pro is running a current standard 10.5.4 Leopard install.

Using the mostly straightforward directions I found around the net (like AVSforums: Switchres), I concocted my own set of defaults simply by changing the horizontal front porch and back porch to allow the extra 80 pixels of width I needed.

I ended up with a setup like this:

	Mode = 1360 x 768 @ 59.833Hz
		Pixel Clock............. 81.00 MHz		Non-Interlaced

		                        Horizontal		Vertical
		Active.................. 1280 pixels		 768 lines
		Front Porch.............   8 pixels		   1 lines
		Sync Width..............  112 pixels		   3 lines
		Back Porch..............  208 pixels		  30 lines
		Blanking................  408 pixels		  34 lines
		Total................... 1688 pixels		 802 lines
		Scan Rate...............  47.986 kHz		 59.833 Hz

		Image Size..............    0 mm		   0 mm
		Border..................    0 pixels		   0 lines

My previous Front Porch (right side of screen) was 48 pixels and previous Back Porch (left side of screen) was 248. I subtracted 40 from each to get the extra 80 pixels needed, making sure that the Total horizontal pixels stayed at 1688 pixels total. [Note: you normally cannot get the full 1366 pixels on the display because you must use a display size that is evenly divisible by 8 (1366/8=170.75). I've read before that you can scale up and then reduce pixel counts so you fill every pixel on the screen but that kind of tweaking is for people who really know what they're doing with this video stuff, not for ordinary users. I make note of this because of the huge numbers of 1366x768 LCD units on the market in recent years.]

I saved this as a new monitor setting, rebooted, brought up the Displays item in System Preferences and it worked perfectly (my set had already been set for 1366x768 and was displaying my former 1280x768 resolution with a black border of 43 pixels on left and right). After installing my new 1360x768 resolution, I had a barely visible border of 3 pixels on left and right, almost invisible from more than a foot away.

I thought after so many bad reviews based on misinformation around the net, mostly involving the optional use of APE in this product, more people needed to understand the issues involved. There is a lot of uninformed gossip about APE around, some of it well-founded. In the case of SwitchRes, this gossip is unfounded for most users who won't even inspect it closely enough to understand that APE is only required for a small number of advanced features in the program that are needed by only a few users.

I recommend others consider using this on their secondary displays on a Mac Pro (as I do) or for secondary displays connected to a Mac laptop. If you connect directly and bork your main display, you may have some problems getting back to a usable display with it. I have used this previously with my old PPC Mac Mini on the same Sharp LCD but it was a lot more painful before I got it to work. Hence, my advice that this is far safer for persons of medium tech skills to use on their secondary displays. If using it on a single-display setup, try to configure the monitor as a secondary display first and keep the primary display unaltered in case you need to recover. Make sure you know where the button to reset to standard default resolutions is located.

Enabling all the custom monitor controls and resolution selections in the More items of the Desktop's popup menu is a feature you might want to disable. For most people, you just need to enable the proper resolution and then select it from Displays in System Preferences as usual.

If you don't have any grasp of how to roll your own custom display resolutions, consider recruiting someone more knowledgeable or searching for info on the web about what settings to try with your particular model of display.   
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Comments

2 comments |

Works with Leopard - rd0001

In my post, I neglected to mention that my exact Sharp model is the Sharp LC-32G4U, one of the oldest Sharp 32" LCD sets. It has a display and a separate connections box for most of its electronics which are connected to the LCD by a triple cable. There were 37" and 42" models of this type with the 1366x768 resolution and a 45" model with 1920x1080, all with the separate electronics box.

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Monday, August 04 2008 @ 04:18 PM PDT


Works with Leopard - X-caiver

When I use the installer it clearly says "This product requires Application Enhancer" and "We will install it for you as part of the installation process."

There is no option on that screen and no 'custom' button anywhere to be found.

I had to go to the APE website to download an APE uninstaller before I rebooted so that junk would never get loaded.

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Thursday, June 11 2009 @ 10:39 PM PDT