Acer Extensa 4420 Notebook Realtek Audio Driver for Vista x86

Extensa 4420 Series Specifications:

Processor / Speed
- AMD Turion 64 X2 dual-core mobile technology
TL-52/TL-56/TL-58/TL-60/TL-64/TL-66
(2 x 512 KB L2 cache, 1.6/1.8/1.9/2.0/2.2/2.3 GHz, 1600 MHz HyperTransport bus) or
- AMD Turion 64 mobile technology
MK-36/MK-38 (2 x 256 KB L2 cache, 2.0/2.2 GHz, 1600 MHz HyperTransport bus) or
- AMD Athlon 64 X2 dual-core mobile technology
TK-53/TK-55 (2 x 256 KB L2 cache, 1.7/1.8 GHz, 1600 MHz HyperTransport bus)

Core Logic Chipset
- ATI M690G chipset

RAM / Max RAM
- Up to 2 GB of DDR2 667 MHz memory, upgradeable to 4 GB using two soDIMM modules (dual-channel support)

Video Subsystem
- ATI Radeon X1250 with up to 896 MB of HyperMemory
(256 MB of dedicated system memory, up to 640 MB of shared system memory), supporting Microsoft DirectX 9, PCI Express

LCD Properties
- 14.1" WXGA TFT LCD, 1280 x 800 pixel resolution

Hard Disk Drive
- up to 160GB Hard Disk Drive

Optical Drive
- 8X DVD-Super Multi double-layer or DVD/CD-RW Combo drive (varies by model)

Battery, Primary
- 44 W 4000 mAh 6-cell Lithium Ion battery pack:
3-hour battery life, 2.5-hour rapid charge system-off,
3.5-hour charge-in-use

Sound Subsystem
- Two built-in Acer 3DSonic stereo speakers
- High-definition audio support
- Built-in microphone, MS-Sound compatible

PCCard Support
- 1 Type II PCCard slot

Pointing Device
- Touchpad

Peripheral Subsystem
- 4 USB 2.0 ports, 1 IEEE 1394 port, 1 Fast infrared (FIR) port, 1 External display (VGA) port, 1 S-video/TV-out (NTSC/PAL) port
- Headphones/speaker/line-out jack
- Microphone jack, Line-in jack
- 5-in-1 card reader (SD, MMC, MS, MS PRO, xD)
- Integrated Acer Crystal Eye webcam supporting enhanced Acer PrimaLite technology (selected models)

Modem
- 56K ITU V.92 PPT approved, Wake-on-Ring ready

Ethernet
- Gigabit Ethernet, supporting ASF (Alert Standard Format) 2.0, Wake-on-LAN ready
- Acer InviLink 802.11b/g Wi-Fi Certified solution, supporting Acer SignalUp wireless technology
- Bluetooth 2.0+EDR Enhanced Data Rate (selected models)

Dimensions / Weight
- 13.03" (W) x 9.76" (D) x 1.16/1.61" (H)
- 5.29 lbs (with primary battery)

AC Power
- 100-240V AC AutoSensing Adapter

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Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.