Specifications

providing higher bandwidth, the crossbar fabric consisting of the Crossbar ASIC and high-speed links

have been redesigned for the sx2000 to provide greater availability and reliability.

See the HP sx2000 chipset technical white paper for more information on the benefits provided by

new Crossbar ASIC and links.

I/O subsystem

Each HP 9000 rp7440 and rp8440 Server contains an embedded high-performance I/O subsystem.

In addition, the HP 9000 rp8440 Server can optionally connect to external I/O resources located in

the HP SEU-2 through a high-performance I/O cable link. The components within the I/O subsystem

are the I/O controllers, internal peripheral bay, and multifunction core I/O. Basic block diagrams for

the HP 9000 rp7440 and rp8440 Server I/O subsystems are shown in Figures 8 and 9.

Figure 8. Basic block diagram of the HP 9000 rp7440 Server I/O subsystem

all hot-plug

Peripheral bay

7/8 PCI-X I/O slots

I/O controller 1

I/O controller 0

LAN/

SCSI

LAN/

SCSI

MP/

SCSI

7 available PCI-X I/O slots

LAN/

SCSI

LAN/

SCSI

MP/

SCSI

Core I/OI/O bay

Optional:

slim line DVD