BMC 30 Ultimax 3 486 ISA board, will not boot no beeps- power supply seems OK
I suspect mainboard is in trouble any ideas please
BMC 30 Ultimax 3 486 ISA board, will not boot no beeps- power supply seems OK
I suspect mainboard is in trouble any ideas please
Is it possible to get this board repaired and by who ?
Is there a replacement/Upgrade board available for this machine
...try removing RAM module(s) and reinserting cards etc
Hi,
in this case there is best to upgrade CPU rack. Install passive backplane, new CPU, Graphic card, SSD HDD and install the latest 2.37 patched software. I made it many many times, after this it will run for many years.
Hi Thank you for the reply, Is there a particular board / CPU that is good for this conversion also what graphics card will work for the Hurco, will this fit the original aluminum case or will I need a new chassis ?
and I am hoping my other control cards will fit the backplane
I guess I will need to contact Hurco regarding the software upgrade, thanks in advance
Maybe it is ram or cpu or vga.
Listen that beeps. And look in youtube that they mean.
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Tested Ram and VGA all OK so it only leaves CPU or Board (no Beeps) I need to get another CPU so I can test
Have you Taken the CPU out can cleaned the terminal that connect to the backplane? then try re seating the board. This sometimes works for a short time but usually means the backplane is on it's way out. The CPU will usually start failing by forgetting bios settings or intermittently booting for a while and then completely die. Does the screen give you anything at all when you boot it up or does it just say "no sync"?
...oxidation is the enemy with any electrical contacts in older machines. Try moving all/any dip switches plugs, pots, pin jumpers or card slots and remove CPU etc. Use contact cleaner if, possible should try a known working Power Supply because assuming something is ok....is the mother of all screw ups
DJ
Try measure dc power on pc. In my case was 4.6 V were must be 5
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