[Motorola] Syntor X9000 EPROM info

[Dick]

Thanks much, Geoff.

Happy New Year,

Dick

----- Original Message ----- 
From: "Geoff Fors" <wb6nvh at mbay.net>
To: "Discussion of equipment manufactured by Motorola" 
<motorola at mailman.qth.net>
Sent: 30 December, 2007 14:07
Subject: [Motorola] Syntor X9000 EPROM info


> Just to add to Scott's comments-
>
> You will find the EPROM and eprom chips under the aluminum box cover on 
> the
> personality board.  Be careful removing and putting the box back because 
> it
> is really soft metal and the little pins will bend out of position 
> instantly
> at the slightest touch.
>
> There is a "firmware" chip, which is a UV-erasable EPROM.  This determines
> the channel capacity and some other things. Then there is the "customer
> information" chip, an EEPROM, which is what your programmer puts your
> channels and PL tones into when you use the computer and "RIB" box.  The
> standard original configuration was 32 channels maximum and (if I remember
> correctly) the firmware chip will allow you to later go up to 64 channels 
> if
> you replace the 2816 EPROM with a 2864 type.  You can tell if you have a 
> 32
> channel radio mainly by noticing that the EEPROM socket will not have all
> the pins in use (the 2816 is shorter than the 64.)
>
> Then there's the software, and the control head issues, as Scott 
> mentioned.
> Most or all of this information is on the X9000 pages at the Batlabs and
> Mike Blenderman's websites, although it is a lot of information to digest.
>
> Where I live, I was hard pressed to think of even 32 channels I wanted on
> either my low band or VHF ham band radios, and 64 channels would be more
> than I would ever need.  As far as commercial use of the VHF and UHF
> versions, these radios are on borrowed time because all services above 150
> MHz have or will soon be going to narrow band format, and the X9000's will
> be just a doorstop at that time.  Which is why there are so many of them 
> on
> the surplus market.
>
> Geoff
> WB6NVH
>
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