# HP Pavilion dv7-2120so

## Hardware Specifications

- AMD Turion X2 Dual-Core Mobile Processor ZM-82 (2.2 GHz, 1MB L2 Cache)
- 17.3" Diagonal WXGA+ High-Definition BrightView Widescreen Display (1440 x 900)
- 4GB DDR2 SDRAM (2 DIMM)
- ATI Mobility Radeon HD 4530 (512 MB)
- 500GB 5400RPM SATA Hard Drive
- Realtek RTL8111/8168B Gigabit LAN
- Atheros AR9285 WLAN
- DVD+/-R/RW SuperMulti (Lightscribe burner)
- Webcam
- JMicron SD,MS/Pro,MMC,XD Card Reader
- 4 USB 2.0, HDMI, eSATA ports

## Configuration

### Processor

Frequency scaling works with cpufrequtils using the "powernow-k8" module. Available frequencies are 2.20 GHz, 1.10 GHz, and 550 MHz

### Video

Using "xf86-video-ati" driver for the ATI card. No xorg.conf file needed. Seems to function properly with and without KMS enabled. Display supports 1440x900 @ 60 Hz. HDMI output not tested.

### Audio

All necessary modules are automatically loaded.

### LAN

All necessary modules are automatically loaded. Requires the "r8169" module

### WLAN

All necessary modules are automatically loaded. Requires the "ath9k" module

### Webcam

All necessary modules are automatically loaded. Tested with Cheese (GNOME webcam app)

### Touchpad

Works with "xf86-input-synaptics" driver.

### Card Reader

JMicron card reader not working. Further setup needed for this.

## Troubleshooting

### QuickPlay buttons

- Mute button not working
- Volume control not working
- Rewind, play, fast forward and stop buttons not tested
- Wireless button not tested

### Untested Peripherals

- LightScribe
- FireWire
- PCMCIA Socket
- eSATA Port

Category:

- HP