B&B Electronics I-7565-H2 - Manual - Manual (Page 67)

or properly slowing down the transmitting speed for the other CAN
bus nodes.
6.7 The Module Number Applied to One PC Issue
In theory, there is no the limitation. It supports synchronous
operation in a PC with more than one I-7565-H1/H2 modules but the
total communication efficiency depends on the PC hardware
performance.
6.8 The Long Driver Installation Time Issue
If users install the driver of I-7565-H1/H2 followed by the steps of
chapter 3 and it takes more than 2 minutes, please follow the below
steps to solve this problem.
(1) Copy these two files, “I-7565-H1.inf” and “I-7565-H2.inf”, to the
path: C:\WINDOWS\inf\.
(2) Copy the file, “usbser.sys”, to the path:
C:\WINDOWS\system32\drivers\.
(3) Please follow the steps in chapter 3 to install the I-7565-H1/H2
driver again. In the below step like Figure 6-4, please choose
“Don’t search. I will choose the driver to install” option and then
click “Next” button.
I-7565-H1/H2 High Speed USB/CAN Converter User’s Manual (Ver 1.1, Nov/2009) ------------- 67