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well, good news for me ... I received my PT825-8824 and quickly tried it. It looks like things are back up and running! curiously the I2C header does not have as many wires (3 not 4) as my PT826, but I think the missing signal will not make any difference. Apart from that it looks like (as...

^^^ thanks for the perspective on PDB 825 and 826s. I think the final part of the part no (-8824 in my case) indicate the output wiring. There is an SMC link which lists what each one has. In my case I can get hold of PT-825-8824, ie. with the same output wires as the PT-826-8824 I have. I only...

I have just checked one supply, and confirmed that the LED is steady amber when 'bare' (not connected to PDB) I think I am going to try to short pin 6 (not pin 5 as per your image) to GND (on the *underside* fingers - I think your image is wrong there too) and see what happens. I am a bit...

The prices are higher in the UK ... but I am trying to work out if it is worth buying a PDB first, or a PSU. Or if my PDU is broken to the extent of frying PSUs connected to it...

Hmm... My Chassis manual has this to say about the LEDs: So it seems to me that steady amber indicates that the PSUs are in 'standby' (plugged in but not turned on)?

Thanks for the image. I have not been able to find a definitive pinout for the PSUs I have (PWS-920P-SQ); there is a generic ASCII-art one here: Supermicro PSU pinout which states pin 5, not pin6, for /POn: +12V DCG SMPF /POn SDA SCL A0...

Yes, I have already tried this (I wrote above) - no joy. But that only tests (PSU + PDB), it is the PSU on its own I want to try the equivalent test on.

Well, this is my question really ... There are no volts at the output of the PDU when trying to use the SMC PSUs. I cannot remember right now if the BMC LED is active in that setup. What I would like to get confirmation of is whether I can test a PSU, not connected to the PDU, by taking pin ...

Hi Yeah, perhaps I should have said that when I was suspicious of the motherboard (removing DRAM, CPUSs etc) I looked it over for bulging caps. I also cleared the CMOS memory, and replaced the CMOS Battery. I have tried to perform a visual inspection of the PDB (I have removed it from the...

Hi all I am trying to diagnose a power problem on my Supermicro Home server. It's an old build but new-ish to me. I think I am mostly there but would like to check a few points. This is my only home server and I have learned a lot by browsing this and other forums, but I still have a...