HP Integrity Superdome 16-socket Specification page 7

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QuickSpecs

Configuration

I/O Subsystem

Core I/O

HP-UX Core I/O

The core I/O card's primary functions are:

(A6865A)

Other common functions, such as Ultra/Ultra2 SCSI, Fibre Channel, and Gigabit Ethernet, are not included on the core I/O

card. These functions are, of course, supported as normal PCI-X add-in cards.

The unified 100Base-T Core LAN driver code searches to verify whether there is a cable connection on an RJ-45 port or on an

AUI port. If no cable connection is found on the RJ-45 port, there is a busy wait pause of 150 ms when checking for an AUI

connection. By installing the loopback connector (description below) in the RJ-45 port, the driver would think an RJ-45 cable

was connected and would not continue to search for an AUI connection, hence eliminate the 150 ms busy wait state:

Windows Core I/O

(A6865A and optional

VGA/USB A6869A)

Each I/O chassis provides twelve I/O slots. Superdome with Itanium 2 processors or mx2 processor modules supports I/O

chassis with 12 PCI-X 133 capable slots, eight supported via single enhanced (2x) ropes (533 MB/s peak) and four

supported via dual enhanced (4x) ropes (1066 MB/s peak). Please note that if a PCI card is inserted into a PCI-X slot, the

card cannot take advantage of the faster slot.

Each Superdome cabinet supports a maximum of four I/O chassis. The optional I/O expansion cabinet can support up to

six I/O chassis.

A 4-cell Superdome (16-socket) supports up to four I/O chassis for a maximum of 48 PCI-X slots.

An 8-cell Superdome (32-socket) supports up to eight I/O chassis for a maximum of 96 PCI-X slots. Four of these I/O

chassis will reside in an I/O expansion cabinet.

A 16-cell Superdome (64-socket) supports up to sixteen I/O chassis for a maximum of 192 PCI-X slots. Eight of these I/O

chassis will reside in two I/O expansion cabinets (either six chassis in one I/O expansion cabinet and two chassis in the

other, or four chassis in each).

The core I/O in Superdome provides the base set of I/O functions required by every Superdome partition. Each partition

must have at least one core I/O card in order to boot. Multiple core I/O cards may be present within a partition (one core

I/O card is supported per I/O backplane); however, only one may be active at a time. Core I/O will utilize the standard

long card PCI-X form factor but will add a second card cage connection to the I/O backplane for additional non-PCI X

signals (USB and utilities). This secondary connector will not impede the ability to support standard PCI-X cards in the core

slot when a core I/O card is not installed.

Any I/O chassis can support a Core I/O card that is required for each independent partition. A system configured with 16

cells, each with its own I/O chassis and core I/O card could support up to 16 independent partitions. Note that cells can

be configured without I/O chassis attached, but I/O chassis cannot be configured in the system unless attached to a cell.

Partitions (console support) including USB and RS-232 connections

10/100Base-T LAN (general purpose)

Product/

Description

Option Number

A7108A

RJ-45 Loopback Connector

0D1

Factory integration RJ-45 Loopback Connector

For Windows Server 2003, Windows does not support the 10/100 LAN on the A6865A core I/O card, a separate Gigabit

Ethernet card such as the A7061A, A7073A, A9899A or A9900A is required.The use of Graphics/USB card (A6869A) is

optional and not required.

DA - 11717

North America — Version 15 — January 3, 2005

HP Integrity Superdome Servers: 16-socket, 32-

socket, and 64-socket

Page 7

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HP Integrity Superdome 16-socket Specification page 7

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