Marwan El Mozayen Posted November 1 Report Share Posted November 1 (edited) Hello, we had to replace our FC5011 mainboard cause the Power supply blew off and damaged the Ricoh FB5U board. Thanks heaven the harddisk was not affected. We found an identical Ricoh FB5U Mainboard and got a new ATX 400 W power unit that is working at 110-230V. Now my problem, the 20 pin mainboard power connector is clear, but where is the CPU power connector? I can't find one. I don't have the broken board here cause we've sent it to a special company that fixes industrial mainboards. But according our photos they are identical. I checked other Ricoh FB5U boards they do have an obvious CPU 4 pin power connector. Is the FB5U of the Frontier maybe without a CPU Power connector? We are a bit desperate cause we need our maschine back to work so any help is apreciated! Thank you! Edited November 1 by Marwan El Mozayen Quote Link to comment Share on other sites More sharing options...
Minilab service Posted November 1 Report Share Posted November 1 (edited) Ricoh FB5U doesn't have processor power connector. There is enough one power supply ( 20 pin connector ) . FB5U used on Noritsu QSS3001 and there only one connector. Newer Ricoh motherboard ( FB6 ) , which used on FC7011 has two connectors - 20 pin power supply and separate 4 pin power supply for processor. Check your other motherboard. Might there is FB6 ( not FB5 ) Edited November 1 by Minilab service Quote Link to comment Share on other sites More sharing options...
Marwan El Mozayen Posted November 1 Author Report Share Posted November 1 2 hours ago, Minilab service said: Ricoh FB5U doesn't have processor power connector. There is enough one power supply ( 20 pin connector ) . FB5U used on Noritsu QSS3001 and there only one connector. Newer Ricoh motherboard ( FB6 ) , which used on FC7011 has two connectors - 20 pin power supply and separate 4 pin power supply for processor. Check your other motherboard. Might there is FB6 ( not FB5 ) Thank you for your feedback, this is very helpful- I found a photo of the old motherboard. It is a FB5U Now when I connect all the components the FC5011 starts but I don't get something on the computer screen. Is there a specific trick or should I assume the 2nd motherboard is damaged too? I already changed the BIOS battery to a fresh one. Could it be the power unit? The unit before had a switch to be changed from 110V to 220V the new one does this automatically. Quote Link to comment Share on other sites More sharing options...
Minilab service Posted November 1 Report Share Posted November 1 On your photo is part of FB5U motherboard. Do not see 4 pin power connector. Motherboard should start even without BIOS battery. To start this motherboard is enough : Working motherboard One working and good connected RAM module Working and good connected processor Power supply ( 20 pin connector ) . On monitor should see computer boot. Should be able access BIOS settings. Test RAM module on other old computer. Leave only one RAM module. Disconnect CD, HD and other what are not necessary. Connect power supply to 220V. Computer can test without minilab. When see, that it works then you can return it. For tests do not use original HD. Clone it, or using Acronis make HD image. Ricoh FB5U was used on Noritsu QSS3000 and QSS3001 . Many these minilabs scraped. The most computers upgraded ( it is easy to do on Noritsu ) . I think you easy can find fully working FB5U motherboard. I have few of them. Quote Link to comment Share on other sites More sharing options...
Marwan El Mozayen Posted November 1 Author Report Share Posted November 1 (edited) 3 hours ago, Minilab service said: I have few of them. Thank you for your detailed advice I will try all of this. Just to be on safe side can I purchase a working motherboard from you? At least as a backup? Best regards Edited November 1 by Marwan El Mozayen Quote Link to comment Share on other sites More sharing options...
Minilab service Posted November 2 Report Share Posted November 2 If will not find working motherboard locally you can buy it from me. Quote Link to comment Share on other sites More sharing options...
Marwan El Mozayen Posted November 3 Author Report Share Posted November 3 13 hours ago, Minilab service said: If will not find working motherboard locally you can buy it from me. That's great! I've sent you a message. BR Quote Link to comment Share on other sites More sharing options...
Marwan El Mozayen Posted November 5 Author Report Share Posted November 5 On 11/2/2023 at 7:47 PM, Minilab service said: If will not find working motherboard locally you can buy it from me. It seems the motherboard is not working. How can I get in Contact with you? Best regards Quote Link to comment Share on other sites More sharing options...
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