Contacting HP.......................................................................................................................................17

Before You Contact HP....................................................................................................................17

HP Contact Information..................................................................................................................18

Subscription Service........................................................................................................................18

Documentation Feedback................................................................................................................18

1 Introduction...................................................................................................................19

Server Overview...................................................................................................................................19

Server Dimensions...........................................................................................................................19

Server Components...............................................................................................................................20

Processor..........................................................................................................................................20

Memory...........................................................................................................................................20

PCI Riser..........................................................................................................................................20

Internal Core I/O..............................................................................................................................20

External Core I/O.............................................................................................................................20

Power Supply Unit..........................................................................................................................21

System Board Manageability...........................................................................................................21

Enhanced Server Manageability Using the Integrated Lights Out Management Processor..........21

Hard Drives.....................................................................................................................................21

System Board Components...................................................................................................................21

Processor Sockets.............................................................................................................................22

Processor Bus...................................................................................................................................23

ZX1 I/O and Memory Controller.....................................................................................................23

Memory...........................................................................................................................................23

Memory Architecture.................................................................................................................24

DIMMs..................................................................................................................................24

Chip Spare Functionality......................................................................................................25

Serial Presence Detect...........................................................................................................25

I/O Bus Interface..............................................................................................................................25

Processor Dependent Hardware Controller....................................................................................25

Dual Serial Controller......................................................................................................................26

Field Programmable Gate Array.....................................................................................................26

Baseboard Management Controller.................................................................................................26

SCSI Controller................................................................................................................................27

IDE Interface....................................................................................................................................27

1 Gb System LANs A and B.............................................................................................................27

USB Connectors...............................................................................................................................27

Data Pathing Information................................................................................................................27

2 Controls, Ports, and LEDs............................................................................................29

Front Panel............................................................................................................................................29

Table of Contents