Newest Pump hardware--Two different types
MK9 Type A (shipped with NX2/NXA, POSSIBLY vanilla Fiesta)
MK9 Type B (shipped with Fiesta EX)
uses the same jamma i/o parts as the MK6
Of one of the variations, the specs are:
Mobo - GIGABYTE GA-945GZM-s2
VGA - GeForce 7200GF (512mb ram)
CPU - Anyone up to 1.6ghz
src: http://z14.invisionfree.com/PumpBR/ar/t26618.htm
Please verify.

Other variations:
Motherboard: Gigabyte GA-945GCM-S2L (MK9v1) or Asrock G41M-S3 (MK9v2)
Graphics card: Geforce 8400GS (MK9v1) or Geforce 9300GS (MK9v2) or Nvidia GT210

Src: http://www.ph-online.net/cgi-bin/ib3/ikonboard.cgi?s=82a290ebac2eebdc42facb0a38f906ca;act=ST;f=18;t=12641