That's a very old version, take a look on images of that generation that have built-in the drivers, to extract the file, but generally drivers are built for the image... that's a kernel used in 2010 on DM800HD, check my DE-OpenBlackHole 1.4 Praline version... but you have low chances to find it.

TS
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DM8000, DM800se, DM500HD, DM800HD, DM7025, DM7020s, DM7000, DM500s
VU+ Solo, VU+ Uno, VU+ Duo, Kathrein UFS910
Tivusat, TNTSat, Fransat, SSR/TSR, BBC1-2-3/ITV
DE-OpenBlackHole 1.4 image : http://www.openblackhole.com/