Difference between revisions of "Eee PC Research"

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* [http://www.intel.com/products/chipsets/910gml/index.htm Intel 910GML Express northbridge chipset with GMA900 graphics processor]
* [http://www.intel.com/products/chipsets/910gml/index.htm Intel 910GML Express northbridge chipset with GMA900 graphics processor]
* [http://support.intel.com/support/chipsets/imst/ Intel 82801FBM ICH6-M I/O southbridge]
* [http://support.intel.com/support/chipsets/imst/ Intel 82801FBM ICH6-M I/O southbridge]
* [http://www.auo.com/auoDEV/products.php?sec=carPortable&func=items&items_id=5 AU Optronics A070VW04 7" widescreen display]
* [http://www.auo.com/auoDEV/products.php?sec=carPortable&func=items&items_id=5 AU Optronics A070VW04 7" widescreen display] [[Image:Eee lcd modelnumber.jpg]]
* Atheros AR5BXB63 wireless adapter
* Atheros AR5BXB63 wireless adapter
* Atheros L2 10/100 Mbit ethernet
* Atheros L2 10/100 Mbit ethernet

Revision as of 15:31, 24 February 2008

I've put together a pack with pictures of my Eee 701 4G showing detailed pictures of the motherboard. Both scans and close-up mosaic pictures of the motherboard are available. Download the picture package.

Eee open front.jpg Eee open display.jpg


Specifications

Devices:

Dimensions:

  • Width: 22.5 cm
  • Depth: 16.5 cm
  • Height: 2.1 to 3.5 cm
  • Weight: 920 grams

Accessories

Accessories:

  • Logitech V470 White Bluetooth mouse

Other suitable accessories:

  • Logitech VX Nano mouse
  • Microsoft Bluetooth Notebook 5000 / 4000 mouse
  • LG GSA-E50L Slim DVD writer

Linux Hardware Output

Output [2]: 

00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 04)
00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 04)
00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 2 (rev 04)
00:1c.2 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 3 (rev 04)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d4)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 04)
00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 04)
01:00.0 Ethernet controller: Atheros Communications, Inc. AR5007EG 802.11 b/g Wireless PCI Express Adapter (rev 01)
03:00.0 Ethernet controller: Atheros Technology Corp. L2 100 Mbit Ethernet Adapter (rev a0)

Chips and Connections

A simple diagram showing the major chips and connections on the motherboard.

Top:

Eee diagram front.jpg

Bottom:

Eee diagram back.jpg

Power and Signals

The diagrams below shows power, ground, and signals that's useful when modifying the Eee. All of the points are verified and confirmed working.

Top:

Eee power signal diagram top.jpg

Bottom:

Eee power signal diagram bottom.jpg

Solid State Drive

The solid state drive on the Eee is powered by a Silicon Motion SM223 CF flash card controller and 4x NAND flash chips from various manufacturers.

NAND flash found:

Eee ssd intel.jpg

BIOS Chip

For a little while there was confusion how the BIOS was stored. Speculation about parts of the SSD could be used for the BIOS, integrated chipset BIOS, or a unknown IC-chip.

Turns out the BIOS chip was covered by a adhesive label and the part number is Winbond 25X40VSIG. It features a 8-pin 512K serial flash.

Eee bios chip.jpg

Update BIOS

The easiest way to update or downgrade the BIOS:

  • Download the BIOS zip-archive
  • Extract the '.ROM'-file to a USB flash drive
  • Rename the '.ROM'-file to '701.ROM' for Eee PC 4G 701
  • Reboot the Eee PC and press ALT+F2 during the first POST-screen
  • A black screen with the text 'Intel(r))915GM/...' will appear and the process will begin automatically
  • Press the POWER-button after the update is finish as described

Clear BIOS

There are two pads in the expansion bay labeled CLRTC, aka Clear Real Time Clock RAM, for clearing the CMOS settings. By shorting these two pads the settings are erased. Up-on booting a 'CMOS Settings Wrong'-prompt will appear and press either F1 for the setup or F2 to load defaults.

Eee clear cmos.jpg

Datasheets

References

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