ok, things just got wierd.

I went back one more page, and dbcc paged the contents:

.. valid data omitted ...

000000B6B9AC9E00: a9db97db 4008ae4b 97f0ffb9 a327c7e1 8ee50f2b ©Û?Û@.®K?ðÿ¹£'Çá?å.+

000000B6B9AC9E14: 6c6b5949 b9812ed2 147d00c1 22000000 00000000 lkYI¹..Ò.}.Á".......

000000B6B9AC9E28: 23000000 00000000 00000000 00000000 43006c00 #...............C.l.

000000B6B9AC9E3C: 75007300 74006500 72002000 50006100 72007400 u.s.t.e.r. .P.a.r.t.

000000B6B9AC9E50: 69007400 69006f00 6e000000 00000000 00000000 i.t.i.o.n...........

000000B6B9AC9E64: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9E78: 00000000 00000000 16e3c9e3 5c0bb84d 817df92d .........ãÉã\.¸M.}ù-

000000B6B9AC9E8C: f00215ae 1617f00d 31dc904b 83abb8c1 53ba83f6 ð..®..ð.1Ü.K?«¸ÁSº?ö

000000B6B9AC9EA0: 24000000 00000000 21000400 00000000 00000000 $.......!...........

000000B6B9AC9EB4: 00000000 4d006900 63007200 6f007300 6f006600 ....M.i.c.r.o.s.o.f.

000000B6B9AC9EC8: 74002000 72006500 73006500 72007600 65006400 t. .r.e.s.e.r.v.e.d.

000000B6B9AC9EDC: 20007000 61007200 74006900 74006900 6f006e00 .p.a.r.t.i.t.i.o.n.

000000B6B9AC9EF0: 00000000 00000000 00000000 00000000 a2a0d0eb ................¢ Ðë

000000B6B9AC9F04: e5b93344 87c068b6 b72699c7 f5004ff4 6ab4cf44 å¹3D?Àh¶·&.Çõ.Oôj´ÏD

000000B6B9AC9F18: b4924435 539c4558 00080400 00000000 1edb55b4 ´?D5S?EX.........ÛU´

000000B6B9AC9F2C: 01000000 00000000 00000000 42006100 73006900 ............B.a.s.i.

000000B6B9AC9F40: 63002000 64006100 74006100 20007000 61007200 c. .d.a.t.a. .p.a.r.

000000B6B9AC9F54: 74006900 74006900 6f006e00 00000000 00000000 t.i.t.i.o.n.........

000000B6B9AC9F68: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9F7C: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9F90: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9FA4: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9FB8: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9FCC: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9FE0: 00000000 00000000 00000000 00000000 00000000 ....................

000000B6B9AC9FF4: 00000000 00000000 00000000 ............

"Microsoft reserved partition", "basic data partition", that looks like low level disk MBR or GPT data...

Has anyone ever seen this before?