HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 35
Expansion Card Slots, Peripheral Component Interconnect (PCI) Slots
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NOTE System Board Expansion Card Slots Expansion Card Slots The x4000 expansion card slots are described in the following sections: • "Peripheral Component Interconnect (PCI) Slots" on page 35 • "Accelerated Graphics Port (AGP) Slot" on page 36 • "System Memory and Processors" on page 37 Peripheral Component Interconnect (PCI) Slots The x4000 system board has five PCI slots available: • Three 5 V, 33 MHz, 32-bit slots • Two 3.3 V, 66 MHz, 64-bit slots Cards requiring 5 V must go in the 32-bit slots. Cards requiring 3.3 V must go in the 64-bit slots. Universal cards, which use either voltage, can be placed in either slot, but can only function at 66 MHz in the 64-bit slots. The total power consumption across all used PCI slots depends on what type of AGP graphics card is installed. When there is an AGP Pro 50 card, the maximum is 80W total across all PCI slots. When there is an AGP Pro 110 card, the maximum is 45W. The power consumption must comply with the electrical specifications of the PCI 2.2 specification. Table 7-1 on page 94 describes the PCI 33 MHz, 32-bit connector. Table 7-2 on page 97 describes the PCI 66 MHz, 64-bit connector. Chapter 2 35
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