HP 520 5/XX, 525 5/XX manual Other PCI Accessory Devices

3System Board (P/Ns D3657-63001 and D3661-63001) Devices on the PCI Bus

with two connectors. For desktop models, the primary channel cable is fitted with two connectors, and the secondary channel cable is fitted with one connector.

With EIDE, it is possible to have a fast device, such as a hard disk drive, and a slow device, such as a CD-ROM drive, on the same channel without affecting the performance of the fast device. However, in general, the primary channel cable is recommended for hard disk drives, and the secondary channel cable for CD-ROM drives. Indeed, if a CD-ROM is placed on the same channel as a hard disk drive, problems could be experienced activating the 32-bit access drivers.

Other PCI Accessory Devices

PCI expansion cards (accessory boards) are used for high-speed peripheral accessories. Up to three PCI cards can be installed in minitower models, and up to two PCI cards can be installed in desktop models.

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