Development / Driver / Mac OS / Tutorials

Mac OS: AGPM Editing with a sleeping GPU and AppleGraphicsPowerManagement.kext

OS X 8.X: 1. Backup /System/Library/Extensions/AppleGraphicsPowerManagement.kext 2. "Right click" on AppleGraphicsPowerManagement.kext and select "Show Package Contents" 3. Open Contents folder and Info.plist 4. Locate a line according to your SMBios.plist entry (for example MacPro5,1) in the Info.plist: </dict> <key>MacPro5,1</key> <dict> <key>Threshold_High</key> <array> <integer>55</integer> <integer>75</integer> <integer>99</integer> <integer>100</integer> </array> <key>Threshold_Low</key> <array> <integer>0</integer> <integer>87</integer> <integer>87</integer> <integer>87</integer> </array> 5. Change it to (for example): <key>Threshold_High</key> <array> <integer>0</integer> <integer>45</integer> <integer>75</integer> <integer>100</integer> </array> <key>Threshold_Low</key> <array> <integer>0</integer> <integer>85</integer> <integer>99</integer> <integer>100</integer> </array> 6. Save Explanation: The problem happens because the GPU stays at its lowest G-state (lowest performance for energy saving). G-states are defined in keys Threshold_High and…

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August 13, 2013
Tutorials

Windows: Save System HDD Diskspace and drop hiberfil.sys and pagefile.sys

Deactivate Hibernate/Suspend Mode to save your RAM-Size amount of HDD-Space: Open "cmd" as Admin/Root (Right-Klicking cmd.exe) powercfg -h off (Disables use of Hibernate-File "hiberfil.sys" for current session; remember suspend/hibernate will not work for current windows session) Set Pagefile Size to max of 512MB (Only if you have enough RAM (>4GB Win7 x32/x64)): Open SystemControl -> System -> Advanced -> Pagefile 512MB MIN/MAX This works with Windows 8, 7, Vista, XP (x32/x64) To keep your diskspace high create a batch-File. Run it as root and copy it/or symlink over to your "Autostart" in the "Startmenu"

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July 30, 2013
Driver / Mac OS / Tutorials

Mac OS: Get your NVidia GPU Device Rom and build EFI-String com.apple.boot.plist or DSDT/ACPI Interface

The following is already extracted an demonstrates several ROMs for a GX-X58A-UD3R Board and NVidia GPUs Necessary Tools: Download_gfxutil GA-X58A-UD3R ############# NVCAP VALUE is plist editor conform MEM VALUES IS DASHBOARD CONFORM NVIDIA210 512MB: MEM: 0x20000000 DevicePath = PciRoot(0x1)/Pci(0x3,0x0)/Pci(0x0,0x0) NVCAP: 0400000000000300080000000000000700000000 Download HEX  Download PLIST  Download ROM NVIDIA220 1024MB: MEM: 0x40000000 DevicePath = PciRoot(0x1)/Pci(0x5,0x0)/Pci(0x0,0x0) NVCAP: 0400000000000300040000000000000700000000 Download HEX  Download PLIST  Download ROM NVIDIA8600 512MB: DevicePath = PciRoot(0x1)/Pci(0x7,0x0)/Pci(0x0,0x0) MEM: 0x20000000 NVCAP: 0400000000000300040000000000000700000000 Download HEX  Download PLIST  Download ROM NVIDIA9800 512MB: MEM: 0x20000000 NVCAP: 0400000000000300080000000000000700000000 Download HEX  Download PLIST  Download ROM NVIDIAGTX480 1536MB: NVCAP: 0400000000000300000000000000000700000000 Download HEX  Download PLIST  Download ROM PCIBUS (The following shows us that Gigabyte needs to get…

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July 29, 2013
Read more about the article Use an unsubscribed jailbroken iOS Device to test your iOS Applications for free! (No Apple Developer Subscription necessary) (iOS 2.x-7.x / Xcode 4.6.x / OS X 10.x)
Mac OS / Tutorials

Use an unsubscribed jailbroken iOS Device to test your iOS Applications for free! (No Apple Developer Subscription necessary) (iOS 2.x-7.x / Xcode 4.6.x / OS X 10.x)

This Tutorial shows you how to use your unsigned iOS Device to run your iOS applications without an Apple Developer subscription! Requirements: Xcode 4.x.x, Mac OS X, iOS 5.x-7.x 1. Jailbreak your iOS Device (http://evasi0n.com) 2. Install AppSync from Cydia (for example repo.hackyouriphone.org) 3. Connect iOS Device to Xcode and Click "Use for development" (from Xcode's Organizer)       4. Create a selfsigned Codesigning certificate in Keychain Access: Keychain Access” menu Select “Certification Assistant" -> "Create a Certificate" Name: iPhone Developer Identify Type: Self Signed Root Certification Type: Code Signing Check “Let me override defaults” Set Validity Period to 3650 NO Email Address Accept…

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July 29, 2013