I have system 6027R-N3RF4+ with SMC IPMItool,
I was able to check some things, but it took me about 10 minutes to perform the commands!
See also wireshark capture. Like I told before, the device is still answering with invalid IPMI packets!
SMC IPMI Tool V2.4.0(Build 120914) - Super Micro Computer, Inc.
Press Ctrl+D or "exit" to exit
Press "?" or "help" for help
Press TAB for command completion
Press UP and DOWN key for command history
Start Trap Receiver failed
10.8.0.207 X9DRW-3TF+ (S0/G0,195w) 09:05 IPMI>power status
This function is unavailable for this device or slave CMM.
10.8.0.207 X9DRW-3TF+ (S0/G0,195w) 09:09 IPMI>system
This function is unavailable for this device or slave CMM.
Since Power / system command only support on Blade system, you can refer SMC IPMItool support commands on user manual. you can download from https://www.supermicro.com/wdl/utility/SMCIPMItool/