HP Carrier-grade cc3300 UserÆs Guide and Technical UserÆs Gu - Page 29
PCI I/O Riser Cards
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HP cc3300 Carrier Grade Server Product Guide PCI I/O Riser Cards The server can support two riser cards, a 5 Volt full height riser card, and a 3.3 Volt half-height riser card or two 3.3 volt half-height riser cards. Features of the 5 Volt riser card include: • Support for three 33 MHz 5 Volt 64-bit PCI add-in cards • Provides 5 Volt to 3.3 Volt signal level translation The 5 Volt riser card contains voltage level translation, converting the 5 Volt PCI add-in card signals to conform to the server board, which has 3.3 Volt signaling levels. The card supports up to 50 W total with a limit of 25 Watts per slot. Figure 6 illustrates the 5 Volt riser card. Figure 6. 5 Volt Riser Card The 3.3 Volt riser card supports three 3.3 Volt 64-bit slots at 66 MHz. The card supports up to 30 W total power consumption. Figure 7 illustrates the 3.3 Volt riser card. Figure 7. 3.3 Volt Riser Card Chassis Description 29