Tahoe-II Firmware

To update your board, download and unzip the appropriate file, then run the included update application. The wizard will guide you through the update process. Troubleshooting information can be found here.

Version	Date	Release Notes
TAHOEII_V4.1.40378.64123 NEW!	20 July 2010	Release Notes
TAHOEII_V4.0.40148.58746	4 Dec 2009	Release Notes
TAHOEII_V3.0.39930.61525	28 April 2009	Release Notes
TAHOEII_BootRecovery_V3.0.39930.61525	28 April 2009	Release Notes Boot-mode version of the firmware update. This version requires a serial cable and should only be used if the normal update fails.
TAHOEIISS_3.0.39970.27660	15 June 2009	Deploying SideShow on Tahoe-II Smaller Tahoe-II build for use with SideShow. This build excludes SSL and file system support.

Meridian/P Firmware

To update your board, download and unzip the appropriate file, then run the included update application. The wizard will guide you through the update process. Troubleshooting information can be found here.

Version	Date	Release Notes
MERIDIANP_4.1.40380.4555 NEW!	31 July 2010	Release Notes
MERIDIANP_NET_4.1.40390.12449 NEW!	31 July 2010	Release Notes
MERIDIANP_4.0.40148.58746	4 Dec 2009	Release Notes
MERIDIANP_NET_4.0.40205.11261	28 Jan 2010	Release Notes
MERIDIANP_3.0.39991.3220	27 June 2009	Release Notes
MERIDIANP_BootRecovery_3.0.39991.3220	27 June 2009	Release Notes Boot-mode version of the firmware update. This version requires a serial cable and should only be used if the normal update fails.
MERIDIANP_ETH_3.0.39991.3220	27 June 2009	Release Notes This release requires an Ethernet adapter board to be attached to the Meridian/P. Please read this doc showing how to connect it correctly.

Device Solutions SDK

Version	Date	Release Notes
Device Solutions SDK V4.1 NEW!	20 July 2010	Release Notes
Device Solutions SDK V4.0	4 Dec 2009	Release Notes
Device Solutions SDK V3.0	28 April 2009	Release Notes
Tahoe SDK V3.0	19 November 2008	Release Notes

The Device Solutions SDK supports all Device Solutions .NET Micro Framework hardware including the Tahoe and Tahoe-II Development Kits.

The SDK includes all documentation for the Meridian CPU.

.NET Micro Framework Board Support Package (BSP)

This BSP enables to you create custom firmware for hardware based on the Meridian CPU, including the Tahoe-II development Board. Read this post for more details.

Version	Date	Release Notes
DeviceSolutionsBSP NEW!	4 Feb 2010	Release Notes IMPORTANT: Read the Release Notes first! This has important installation information.

Other Downloads

Accelerometer Lab/Ball-in-maze game

Version	Details
BallInMaze-TahoeII NEW!	This new version works with v4.0 of the .NET Micro Framework.
BallInMaze-Tahoe NEW!	This is the updated version for v4.0 on the original Tahoe board. It does not include the original lab instructions.
Tahoe + Accelerometer add-on	This download is for the original Tahoe board. It includes instructions and source code.
Tahoe-II	This version includes a driver for the on-board Freescale MMA7455 accelerometer and updated source code, but no lab instructions.

Firmware downloads for the original Tahoe board

There are two versions of firmware for the original Tahoe board.

TAHOE - standard firmware
TAHOE_NET - for the original board with the Ethernet add-on board

If you are upgrading from v2 firmware to v3, please read this first.

To update your board, download and unzip the appropriate file, then run the included update application. The wizard will guide you through the update process. Troubleshooting information can be found here .

TAHOE Firmware

Version	Date	Release Notes
TAHOE_V4.1.40380.4555 NEW!	4 Dec 2009	Release Notes
TAHOE_V4.0.40148.58746	4 Dec 2009	Release Notes
TAHOE_V3.0.39831.61461	27 October 2008	Release Notes
TAHOE_BootRecovery_V3.0.39831.61461	27 October 2008	Release Notes Boot-mode version of the firmware update. This version requires a serial cable and should only be used if the normal update fails.

TAHOE_NET Firmware

Download the installation below. For details on network programming, Microsoft has articles on sockets programming for the .NET Micro Framework, and also DPWS .

Version	Date	Release Notes
TAHOE_NET_V4.1.40390.12449 NEW!	31 July 2010	Release Notes
TAHOE_NET_V4.0.40148.58746	4 Dec 2009	Release Notes
TAHOE_NET_V3.0.39769.63015	19 Nov 2008	Release Notes
TAHOE_NET_BootRecovery_V3.0.39769.63015	19 Nov 2008	Release Notes Boot-mode version of the firmware update. This version requires a serial cable and should only be used if the normal update fails.