Oracle 5.0 Reference Manual page 1779

Tip
To identify whether a DSN was created using the 32-bit or the 64-bit
driver, include the driver being used within the DSN identifier. This will
help you to identify the right DSN to use with applications such as Excel
that are only compatible with the 32-bit driver. For example, you might
add
Using64bitCODBC
1. On the menu, choose
Start
To open the
ODBC Data Source Administrator
Professional:
1. On the menu, choose Settings, and then click
Start
2. In Panel, click
Control
3. In
Administrative
To open the
ODBC Data Source Administrator
1. On the menu, click
Start
2. In the
Control Panel
then click
Administrative
click
Administrative
3. In
Administrative
Irrespective of your Windows version, you should be presented the
window:
Administrator
Configuring Connector/ODBC
to the DSN identifier for the 32-bit interface and
Using32bitCODBC
for those using the 64-bit Connector/ODBC driver.
Administrative
Administrative
Tools, click
Data Sources
Control Panel.
when in
Category View
Tools.. If you are viewing the
Tools.
Tools, click
Data Sources
1759
Tools, and then click
in Windows 2000 Server or Windows 2000
Control Panel.
Tools.
(ODBC).
on Windows XP:
click
Performance and Maintenance
Control Panel
(ODBC).
ODBC Data Source
Data Sources (ODBC).
and
in
Classic View,