5560 time and date incorrect

[razor]

Here's the situation. I have a 5560 in the field that randomly decides to change the date and time on the machine from time to time. I haven't been able to determine if there is a pattern to it as the customer doesn't always notice it. I have set the time myself twice so far and it keeps going out. The firmware is all up to date as of nov/09. Any help would be appreciated. Thanks

[tcs04]

Here's the situation. I have a 5560 in the field that randomly decides to change the date and time on the machine from time to time. I haven't been able to determine if there is a pattern to it as the customer doesn't always notice it. I have set the time myself twice so far and it keeps going out. The firmware is all up to date as of nov/09. Any help would be appreciated. Thanks

Sounds like the NVRAM battery is dead. Print an SMC and see if any values reset to default after the time clears.

[razor]

i will try that thanks, in the event that it is dead does that mean i need to change the NVRAM?

[tcs04]

i will try that thanks, in the event that it is dead does that mean i need to change the NVRAM?

I've changed batteries before, you can read off the spec from the existing battery and usually find something either on line or from a local source. I would un-solder one connection and check the voltage across the battery to confirm it's dead before changing. If you get one thats the same voltage etc but a different shape you can always use jump leads to connect and insulate the battery to avoid shorts.

Of course, it's not certain this is the fault!