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VRM and NMI lights lit usually indicate an issue with CPU #2's VRM which can be replaced. Also check 5 lights on back middle of system. If VRM light is lit here remove CPU 2 and VRM and reboot system. If system boots, this was the issue...
pls you have to identify which area is short circuit, there for remove the 4 pin plug and power on. of power on ,it is telling your cpu section (VRM Circuit is short) it may faulty cap or transistor , bit I found more than 80% is shorted north bridge.
it was not fixed. but you have to test all coils to identify which section mos fets are short, remove the cpu to isolate north bridge , check vrm circuit,
Yes, some systems (newer PowerEdge Servers, generally 6/7th Generation and above) have onboard VRMs.
1600sc is a 6th gen PowerEdge (with Simple Computing). I can checked and be absolute certain from within Dell. I'm on VAC until Saturday.
In the meantime, check the PRC model and revision and ensure that they match. Given that a single PRC POST/Boots, try upgrading (if not already) the system BIOS to latest revision.
If the PRC model/revision does match and you have the latest BIOS version, also if the VRMs are not needed, then from the Troubleshooting you have already done, we may conclude that the PRC 2 slot is faulty.
I will confirm the VRM query on Saturday.
PowerEdge 1600SC, BIOS A12 Update Package for Microsoft Windows - http://ftp.us.dell.com/bios/PE1600SC-BIOS-WIN-A12.exe
PowerEdge 1600SC, BIOS A12 Floppy Update Package - http://ftp.us.dell.com/bios/PE1600SC-BIOSA12.exe
Mike
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