Chapter 1
Overview
The hp AlphaServer ES47/ES80/GS1280 family supports four types of optional I/O
drawers:
1. I/O Master Drawer, containing:
• 10 PCI/PCI-X slots
• One AGP slot
• An N+1 redundant power system
• A CD-RW drive
• Two Ultra3 SCSI hot-plug disk drive bays (the disk drives must be
ordered separately).
2. I/O Expansion Drawer, containing:
• 11 PCI/PCI-X slots
• One AGP slot
• An N+1 redundant power system
3. High-performance I/O Master Drawer, containing:
• Up to seven 133 MHz PCI-X slots
• An N+1 redundant power system
• A CD-RW drive
• Two Ultra3 SCSI hot-plug disk drive bays (the disk drives must be
ordered separately).
4. High-performance I/O Expansion Drawer, containing:
• Up to eight 133 MHz PCI-X slots
• An N+1 redundant power system
An I/O master drawer is a mandatory option for the GS1280.
A separately ordered I/O cable is required to connect each I/O riser in an I/O drawer to
its corresponding connector on a CPU drawer.
This chapter provides an overview of the I/O drawer upgrade. Sections include:
•
System components
• Upgrade kit
• Upgrade steps
Overview 1-1