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1MB Chipmem board for your A500+ with optional RTC

                         1MB Chipmem Board Amiga 500+

 

 

     

     This is a 1MB chipmem board that will expand your A500+ Rev 8A computer to 2MB of chipmem allowing more Apps and games to load and run smoother.This board csn be used in conjunction with the 8mb Fastmem/IDE board to max out your Amiga to the maximum chip and fastmem possible. The board has a Real Time Clock (RTC) on board that will keep your A500 at the correct time and date and can be disabled if need be. This board can also be used in earlier model A500s but it will only report as 512k fastmem.  The RTC circuit will work on all A500 motherboards.

     The RTC on the chipmem board can be disabled if your onboard clock for the A500+ still works. Most of the A500+ motherboards suffer from a corroded battery which should be removed as soon as possible to prevent damage to the motherboard (If it hasn't already leaked, it will!!.

     The onboard motherboard clock of the A500+ will need to be disabled in order for the Amiga to recognise the RTC on the chipmem board. In order to to do this you will need to place a solder blob over the jumper JP9 as shown below

    Price  $29 USD  (Battery not included)

 

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