Compaq 320 User Manual
Page 14
1-6
AlphaServer GS80/160/320 Site Preparation
Figure 1–4 shows a block diagram of a GS320 with four system boxes. A
hierarchical switch makes the interconnect between the QBBs in the four
system boxes through their global ports.
Figure 1–4 GS320 Block Diagram
Storage
PCI Box
CPU
MEM
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
I/O
Storage
System Box 3
System Box 4
Storage
PCI Box
CPU
MEM
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
I/O
Storage
PCI Box
CPU
MEM
I/O
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
CPU
MEM
I/O
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
PCI Box
Storage
PCI Box
CPU
MEM
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
I/O
Storage
Standard
I/O SCM
PCI Box
System Box 1
System Box 2
Hierarchical
Switch
Storage
PCI Box
CPU
MEM
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
I/O
Storage
PCI Box
CPU
MEM
I/O
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
CPU
MEM
I/O
GP
CPU
CPU
CPU
Switch
MEM
MEM
MEM
System
Management
Console
Modem
PK1294