NonStop S-Series Server Description Manual (G06.27+)

Contents
HP NonStop S-Series Server Description Manual—520331-004
vii
Figures (continued)
Figures (continued)
Figure 1-15. Tetra 16 Configuration Extends Server Expansion 1-29
Figure 1-16. Adding Fourth Processor Enclosure Completes the Core
Tetrahedron 1-31
Figure 1-17. With Dual SEBs, Core Tetrahedron Supports 20 I/O Enclosures 1-33
Figure 1-18. Processor Enclosures Exceeding Four Are Added to Corners 1-35
Figure 1-19. Eight Processor Enclosures Can Support 36 I/O Enclosures 1-37
Figure 1-20. I/O Modules Contain ServerNet Switches and ServerNet
Adapters 1-39
Figure 1-21. IOAM Enclosures Are Installed in Standard Rack Mount Cabinet 1-41
Figure 1-22. ServerNet Cluster Star Topologies 1-43
Figure 1-23. Eight-Node ServerNet Cluster Using Star Topology 1-45
Figure 1-24. 16-Node ServerNet Cluster Using Split-Star Topology 1-47
Figure 1-25. 24-Node ServerNet Cluster Using Tri-Star Topology 1-49
Figure 1-26. Single-Zone Cluster Using Layered Topology 1-51
Figure 1-27. Multiple Zones of ServerNet Clusters Using Layered Topology 1-53
Figure 2-1. A ServerNet Device Can Be a Processor, Controller, or Bus
Interface 2-3
Figure 2-2. ServerNet ID Identifies ServerNet Devices and Subdevices 2-5
Figure 2-3. A ServerNet Transaction Has Both a Request and a Response
Packet 2-7
Figure 2-4. BTE Handles Local Requests; AVT Handles Incoming Requests 2-9
Figure 2-5. Transfer Initiation Logic Uses BTE Descriptors for Outgoing
Requests 2-11
Figure 2-6. BTE Hardware Handles Responses to Outgoing Requests 2-13
Figure 2-7. Remote Access Logic Uses AVT Table for Managing Incoming
Requests 2-15
Figure 2-8.
AVT Hardware Handles Responses to Incoming Requests 2-17
Figure 3-1.
Two TNS Words Are Equivalent to One RISC Word 3-2
Figure 3-2. A Variety of TNS Data Formats Are Available 3-5
Figure 3-3. Byte-Manipulating Instructions Assume Big-Endian Numbering 3-7
Figure 3-4. Formats for TNS Floating-Point and Extended Floating-Point
Data 3-11
Figure 4-1. Nonprivileged and Privileged Spaces Include Global and Nonglobal
Areas 4-3
Figure 4-2. Process Address Space Includes Regions, Unitary Segments, and
Pages 4-5
Figure 4-3. Four Distinct Addressing Areas Exist in the Process Address
Space 4-7
Figure 4-4. Address Formats Are Slightly Different for Each Addressing Area 4-9