Driver Qualcomm Atheros AR9485

Atheros AR9485 WLAN Driver
OS: Microsoft Windows 8 (64-bit)
Date added: 11/18/2014
Size: 13.9MB
File Name: desktop/h1100408_64.exe

Support Model:
  • Lenovo IdeaCentre B325
  • Lenovo IdeaCentre B520e 
  • Lenovo C540 Touch
  • Lenovo C540 Touch C540


Lenovo's C540 Touch is among the two finest all-in-ones in our recent five-machine roundup. And while I have no substantial problems about the quality of its multitouch screen, the manner in which the glass is recessed behind the bezel is troubling when you're sweeping your finger in from the edge to contact the Windows 8 appeal bar. The screen measures 23 inches diagonally, but it's installed to a stand instead of being integrated into a monolithic frame.

Lenovo pairs the Intel Core i3-3240 CPU with a generous 8GB of DDR3/1600 memory, and it loads a 1TB, 7200-rpm hard disk drive inside its rather thick chassis. All-in-ones are notoriously hard to upgrade, so having great deals of on-board memory from the beginning is a significant advantage.

The C540 Touch's Desktop WorldBench 8.1 rating of 129 identifies it as almost 30 percent quicker than our Core i5-- powered reference device, Acer's Aspire A5600U-UB13, and simply a whisker behind the Toshiba PX35t-A2210. The Lenovo has a quicker CPU, which assisted it deliver great media modifying and encoding ratings, but its weak Intel HD Graphics 2500 integrated GPU left it running in the back of the pack on our gaming criteria, producing simply 16.1 frames per 2nd with BioShock Infinite, even with the game running at resolution of just 1024 by 768 pixels and with its visual quality set to Low. The Toshiba, which features an Intel HD Graphics 4000 incorporated GPU, produced this video game at a much quicker 26.6 frames per second. Neither experience is ideal, but at least the Toshiba will not leave you taking a look at a slideshow.

Although Lenovo doesn't have any prominent speaker producers to take pride in, the C540 Touch produces surprisingly good sound from its down-firing speakers. Lenovo is rather stingy with the USB 3.0 ports, offering simply two on the left side of the display screen (together with mic and earphone jacks). 4 USB 2.0 ports, hardwired gigabit ethernet, and an HDMI input lie in the back. You'll utilize 2 of those rear USB ports to plug in Lenovo's mouse and keyboard. The mouse is a two-button, bargain-basement cheapie; but the keyboard, while likewise extremely fundamental, provides exceptional tactile feedback.

See Also: Qualcomm Atheros QCA9377

It is difficult to state which all-in-one triumphes between the Toshiba TX35t-A2210 and the Lenovo C540 Touch. The Toshiba looks more appealing and manages video games better, but the Lenovo's more-powerful CPU and extra memory translated into much better performance on our audio-encoding, video-encoding, and image-editing benchmarks. Their WorldBench 8.1 ratings, meanwhile, leave them basically connected.

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