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Dell_Latitude_D620_/_D820

This article is part of the Hardware series.
Laptops TV Tuner Cards Wireless Servers Storage Other Hardware Motherboards Related
Dell Latitude D620 / D820
Dell Latitude D620 / D820

Contents

Hardware

14,1 inch display @ 1280x800 or 1440x900 (D620)
15,4 inch display @ 1280x800 or 1680x1050 or 1920x1200 (D820)
Intel Core Duo or Intel Core 2 Duo processors
Intel 945GM chipset (ICH7)
Up to 2 GB RAM  	
Intel GMA 950 or NVIDIA Quadro NVS 110M
ALPS GlidePoint touchpad and trackpoint
Hitachi Travelstar hard drive
TSST L-532B optical drive
Broadcom NetXtreme BCM5752 Gigabit Ethernet
Intel PRO/Wireless 3945ABG or Dell Wireless 1390 wifi
Dell Wireless 350 Bluetooth
Connexcant modem
Dell Wireless 5520 HSDPA or Dell Wireless 5720 EVDO card
Intel High Definition Audio and built-in microphone
O2 Micro OZ601/6912/711E0 PC Card controller
SMsC IrDA controller
USB 2.0
SGS Thomson Microelectronics fingerpint sensor
O2 Micro Oz776 SmartCard reader
serial connector
docking station connector

Hardware Status Overview

Device Working Driver Troubleshooting
Processor Processor Image:Tick.png
Drives and Storage Hard Drive Image:Tick.png ahci
Optical Drive Image:Tick.png ata_piix
USB USB Image:Tick.png uhci, ehci See below
Graphics Intel Image:Tick.png i915, intel
NVIDIA Image:Tick.png nvidia
Input Devices Keyboard Image:Tick.png keyboard
Touchpad Image:Tick.png synaptics
Trackstick Image:Tick.png evdev
Functions Keys Image:Tick.png
Networking Ethernet Image:Tick.png tg3
WLAN: Intel Image:Tick.png iwlwifi
WLAN: Dell Image:Tick.png b43, ndiswrapper
Modem unknown hsfmodem
Bluetooth Image:Tick.png hci_usb See below
IrDA unknown
Sound Sound Image:Tick.png snd_intel_hda See below
Other PC Card unknown yenta_socket
Smartcard Reader unknown
Fingerprint Readers Image:Tick.png fprint See below
Hardware Sensors unknown i8k
Suspend to RAM unknown
Suspend to Disk unknown

Dell Laptop guides

Dell specific laptop guides:

Generic Laptop guides

Some generic laptop guides:

Troubleshooting

USB

The internal USB hub causes some problems if it runs in compatible mode (USB1.1). Just switch the device to USB2.0 using the system bios. The difference of the battery life time is between 5 and 10 minutes using the 9 cell battery.

Sound

To turn on the microphone, you have to:

File: /boot/grub/grub.conf
 kernel other_kernel_options snd-hda-intel.model=ref
 
File: /etc/modprobe.d/snd_hda_intel
 options snd_hda_intel model=ref
 

Afterwards run update-modules.

To activate the microphone you have to enable all Capture and Mux channels (left and right) and also set Input Source to Front Mic.

Bluetooth

I have some kernel messages about hci_usb_isoc_rx_submit: hci0 isoc rx submit failed urb df9a7c14 err -38. You can fix this by disabling isoc (Set isochronous transfers for SCO over HCI support):

File: /boot/grub/grub.conf
 kernel other_kernel_options hci_usb.isoc=0
 
File: /etc/modprobe.d/bluetooth
 options hci_usb isoc=0
 

Afterwards run update-modules.

Fingerprint Reader

The reader does not work if the internal USB hub is switched to compatible mode (USB1.1). Just switch it in the BIOS to USB2.0 mode.

Clock

Change /etc/conf.d/clock:

File: /etc/conf.d/clock
 CLOCK_OPTS="--directisa"
 
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Last modified: Sat, 30 Aug 2008 09:35:00 +0000 Hits: 2,963