Pleas ID this IBM system....

[Sean Conner]

It was thus said that the Great Jay West via cctalk once stated:
> No modern datacenter that I have seen still uses a raised floor *OTHER
> THAN* about 3 inches for a ground plane. There is a reason for that... the
> old idea of forced cooling under the floor and mixing power & data cables
> there has been found to be a truly bad idea.

  I recall walking through the former IBM main site in Boca Raton [1] in the
late 90s with a few friends.  We were amazed to see labs with six-foot deep
pits---the tiles long gone and all cables removed.  It was quite the sight
to see.

  -spc

[1]	Google street view:

https://www.google.com/maps/@26.3912323,-80.1059743,3a,75y,272.91h,88.2t/data=!3m7!1e1!3m5!1sLqyUfSPPBaTwXUGrMFebxQ!2e0!6s%2F%2Fgeo2.ggpht.com%2Fcbk%3Fpanoid%3DLqyUfSPPBaTwXUGrMFebxQ%26output%3Dthumbnail%26cb_client%3Dmaps_sv.tactile.gps%26thumb%3D2%26w%3D203%26h%3D100%26yaw%3D60.71677%26pitch%3D0%26thumbfov%3D100!7i13312!8i6656

	The building is rated for a class-5 hurricane.  It's quite
	impressive.