This is my recently reconfigured rack of 5830s. When I'm done with the others, I'll post them as well.
https://lh5.googleusercontent.com/-FK9VQ3OkDXo/T7SBSNrX82I/AAAAAAAACCw/E6raKULPFn8/s751/IMAG0052.jpg
I spy with my little eye... a Lenovo 60 watt AC adapter. https://lh5.googleusercontent.com/-FK9VQ3OkDXo/T7SBSNrX82I/AAAAAAAACCw/E6raKULPFn8/s751/IMAG0052.jpg
It looks to me like it's an "old" 16.6V (or whatever it was) with the yellow plug. So it might still be IBM, not lenovo
