• Addresses frame rate issues occurring in Portal and Team Fortress 2 by Valve, on iMac (Late 2009 and Mid 2010), Mac mini (Early 2009 and Mid 2010), Mac Pro (Early 2009), MacBook (Early 2009 and Mid 2010) and MacBook Pro (15-inch, Mid 2010) or MacBook Pro (17-inch, Mid 2010) models.
• Resolves an issue that could cause Aperture 3, or StarCraft II by Blizzard, to unexpectedly quit or become unresponsive.
• Resolves an image corruption issue that may occur when disconnecting and reconnecting external displays while the system is running.
Products Affected:
MacBook (13-inch, Early 2009), MacBook Pro (17-inch, Mid 2010), MacBook Pro (13-inch, Mid 2010), MacBook Pro (15-inch, Mid 2010), iMac (21.5-inch, Late 2009), Mac Pro (Early 2009), Mac mini (Early 2009), Mac OS X 10.6.4, Mac mini (Mid 2010), iMac (21.5-inch, Mid 2010), iMac (27-inch, Mid 2010), MacBook (13-inch, Mid 2010), Portal, StarCraft II, Team Fortress 2
Snow Leopard Graphics Update 1.0 is available via Software Update and also as a standalone installer.
More info and download link (65.65 MB) here.