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In June of 2004 JAMAR began using a battery backed Memory chip in our Hand-held Data Collectors. This was done in response to the "Realtime Clock
Error" that can occur when static discharges across the Data Collector.
Error" that can occur when static discharges across the Data Collector.
The Dallas Memory chip will not stop this discharge from happening. However, if it does
happen the Dallas chip will save the data that is contained within the chip, thus saving your
valuable data.
The following photographs will show you where to look to see if your board has this chip
installed.
First turn your board over and open up the battery door. Make sure to have the serial port
closest to you, as the picture to the right shows. The 'short' you are looking for will be roughly
where the circle is on the photo to the right.
happen the Dallas chip will save the data that is contained within the chip, thus saving your
valuable data.
The following photographs will show you where to look to see if your board has this chip
installed.
First turn your board over and open up the battery door. Make sure to have the serial port
closest to you, as the picture to the right shows. The 'short' you are looking for will be roughly
where the circle is on the photo to the right.
Next, you want to look at an angle into the board. Your looking for a small 'short' of solder. Since
this is a retro fit component, we have to 'short out' two particular traces for the new chip to
function properly. The pictures below show where the 'short' is located. If you have a DB-100,
DB-400, or TDC-8 you will be able to see the short simply by looking through the open battery
door. If you have a TDC-12, you will need to unscrew the two side screws and the bottom screw
to remove the entire back plate.
this is a retro fit component, we have to 'short out' two particular traces for the new chip to
function properly. The pictures below show where the 'short' is located. If you have a DB-100,
DB-400, or TDC-8 you will be able to see the short simply by looking through the open battery
door. If you have a TDC-12, you will need to unscrew the two side screws and the bottom screw
to remove the entire back plate.
How to check to see if your Hand-held Data Collector has the Dallas Memory Chip
If you see the 'short' in the pictured location then you DO in fact have the Dallas memory chip. If you DO NOT see the short, then you don't have the
Dallas memory chip. The Dallas memory chip is an available upgrade to older boards that did not come with it.
Feel free to contact your JAMAR Representative to find out details.
Dallas memory chip. The Dallas memory chip is an available upgrade to older boards that did not come with it.
Feel free to contact your JAMAR Representative to find out details.
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