Information on Timer Driver

1. About the Timer Driver
2. Selection Guide
3. Specification Comparison
4. Features of API-TIMER(WDM)
5. Q & A

1. About the Timer Driver

Timer driver is composed of API-TIMER(WDM) and API-TIMER(W32).
API-TIMER(WDM) is new driver software for executing timer on Windows. It was developed by the goal of "easy to use" and "high functionality" compared with API-TIMER(W32) that is a earlier edition.

When you use timer devices, you are suggested to use API-TIMER(WDM), but you should pay attention to the operation environment. API-TIMER(WDM) is planed to support the new OS and devices, but not support Windows NT4.0, Windows 95, ISA bus and so on. For those environment mentioned above, please use API-TIMER(W32).
(For details, please refer to 3. Specification Comparison)

2. Selection Guide

Here is the selection guide to help you easily choose the available driver.

3. Specification Comparison

The table shows the specification comparison of the two kinds of driver.

Specifications	API-TIMER(WDM)	API-TIMER(W32)
Support OS	<32bitOS> Microsoft Windows 7 Microsoft Windows Server 2008 Microsoft Windows Vista Microsoft Windows Server 2003 Microsoft Windows XP Home Edition Microsoft Windows XP Professional <64bitOS> Microsoft Windows 7 Microsoft Windows Server 2008 x64 Edition Microsoft Windows Vista x64 Edition Microsoft Windows Server 2003 x64 Edition Microsoft Windows XP Professional x64 Edition	<32bitOS> Microsoft Windows 7 Microsoft Windows Vista Microsoft Windows Server 2003 Microsoft Windows XP Home Edition Microsoft Windows XP Professional Microsoft Windows 2000 Professional Microsoft Windows NT Workstation 4.0 Microsoft Windows NT Workstation 3.51 Microsoft Windows Me Microsoft Windows 98 Second Edition Microsoft Windows 98 Microsoft Windows 95
Support Language	Microsoft Visual Basic .NET2002, 2003 Microsoft Visual Basic Ver 6.0, 2005(1), 2008 (1) Microsoft Visual C++ .NET2002(2), 2003(2) Microsoft Visual C++ Ver 6.0,2005(1)(3), 2008(1)(3) Microsoft Visual C# .NET2002, 2003 Microsoft Visual C# 2005(1), 2008 (1) (1) Express Edition is contained (2) MFC only (*3) C++/CLI(32bit edition only)	Microsoft Visual Basic .NET 2002, 2003, 2005 Microsoft Visual Basic Ver4.0, 5.0, 6.0 Microsoft Visual C++ .NET 2002, 2003, 2005 Microsoft Visual C++ Ver2.0, 4.0, 5.0, 6.0 Microsoft Visual C# .NET 2002, 2003, 2005

4. Features of API-TIMER(WDM)

Easy-to-understanding Interface

It can be used simply and easily because of the lineup of functions classified by functionality.

A lot of sampling programs are prepared corresponding to using method.

5. Q & A

Is API-TIMER(WDM) compatible with API-TIMER(W32)?
Will API-TIMER(W32) not be sold in the future?
Can API-TIMER(W32) be changed to API-TIMER(WDM) if it is being used at present?

Q. Is API-TIMER(WDM) compatible with API-TIMER(W32)?

A. Both API-TIMER(WDM) driver and API-TIMER(W32) driver are not compatible each other.

Please keep on using API-TIMER(W32) if you still use existing system.
It is suggested to use API-TIMER(WDM) in which case such as developing new system and investigating the change of using board.

Q. Will API-TIMER(W32) not be sold in the future?

A. It will be kept on selling in the future.
Please keep on using API-TIMER(W32) if you still use existing system.

Q. Can API-TIMER(W32) be changed to API-TIMER(WDM) if it is being used at present?

A. Yes. Uninstall the present driver and install the new driver.