If you are setting up a HTPC with two or more cards/devices to be used simultaneously with Media Center (MCE 2005 or Vista/W7),
DNTV Live! or DNTV Scheduler Pro, you might benefit from reading the following:
Tips
Note that Media Center 7 officially supports only 4 tuners ( Previous versions only 2), so if you have more than four tuners, only four will be operating.
The following examples provide a snapshot of the Device Manager - under the Sound, video and game controllers for various
situations:
Quad DVB-T PCI-Express card

TinyTwin (Dual USB) DVB-T Receiver

Dual Digital PCI-Express card

One TinyUSB 2 Receiver and one DVICO Lite PCI Card

Two DNTV Live! Pro PCI Cards
Two DVICO Plus PCI Cards

DNTV Live! + DVICO Full (T1) PCI Cards

DNTV Live! + DNTV Live! LP (low profile) Cards

Three DNTV Live! PCI Cards

Four DNTV Live! LP (low profile) Cards
In more recent times, drivers development has improved considerably whereby one device entry is required for multiple tuners making installation very easy.
The following examples Indicate what you should see in the Device Manager for some our more recent products.
Dual Hybrid PCI-Express S2 Card

Hybrid LP S2 Card
