even better ..still page 23

http://docs.hp.com/en/J6374-90063/J6374-90063.pdf

In good old days, hw path was a specific path in the hardware that alowed you to find exactly the specific slot where your board was plugged in. And you had the hw path printed next to each slot. There was also slashes and dots that translate to bus adapters and bus converters. You can find something about hw path on hp site

http://docs.hp.com/en/T1335-90001/ch04s01.html

bingo,Thanks