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General Forum: Information Technology | | "Will Windows work continuously for more than 49.7 days? | |
| are u sure fr all Windows ver...applicable.?????
Posted by: Mr. manoopuli At: 1, Sep 2003 12:07:41 PM IST
Thiz iz absolutely TRUE...
Posted by: UK At: 1, Sep 2003 9:42:39 AM IST
Here is a bit of information,
Windows crashes automatically if you don't switch off the machine for 49.7
Days.Microsoft accepts this. Do you know why?
In Windows the Virtual Machine Manager (here after referredasVMM) is
responsible for
creation, execution, monitoring and termination of virtual machines. This
VMM, which is a 32 bit, protected mode operating system entity, provides a
number of system services at chip level. One of these services is
"Get_System_Time".
This particular service loads the EAX register with the
time in milliseconds since Windows started on that machine. This service is
accurate to 1 ms. EAX is a 32 bit register in Intel 386 Processor
onwards.So the maximum number of milliseconds it canhold is (232)-1 =
4294967295 milliseconds = 4294967.295 seconds = 71582.79 minutes = 1193
hours = 49.7 days So after 49.7 days the EAX resets to zero. Most of the
Drivers use this Time Service to keep track of the Timeout of various
services they provide. So after 49.7days the d! rivers cannot use the
get_System_Time function of VMM and they crash taking the OS along with.
Posted by: Mrs. MadhaviReddy Madhu At: 1, Sep 2003 8:32:01 AM IST
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