Installation Guide, Third Edition - Server Expansion Unit

Chapter 1
Introduction
Detailed Server Expansion Unit Description
8
Detailed Server Expansion Unit Description
Figure 1-3 Server Expansion Unit Block Diagram
Server SPU
Cell 2 Cell 3
CC CC
SBA 0
LBA 1 LBA 2 LBA 4 LBA 6 LBA 14 LBA 12 LBA 10 LBA 8 LBA 1 LBA 2 LBA 4 LBA 6 LBA 14 LBA 12 LBA 10 LBA 8
PCI-X SLOT 8 PCI-X SLOT 7 PCI-X SLOT 6 PCI-X SLOT 5 PCI-X SLOT 4 PCI-X SLOT 3 PCI-X SLOT 2 PCI-X SLOT 1
PCI-X SLOT 8 PCI-X SLOT 7 PCI-X SLOT 6 PCI-X SLOT 5
PCI-X SLOT 4 PCI-X SLOT 3 PCI-X SLOT 2 PCI-X SLOT 1
3.3VRM 3.3VRM
3.3VSTBY
VRM
2 Stacked Flex
Cables
FLEX Connector FLEX Connector FLEX Connector FLEX Connector
RS485
LBA 0 LBA 1
I/O ConnectorI/O Connector
I/O ConnectorI/O Connector
PCI
SCSI SCSI SCSI
PCI
SCSI SCSI SCSI
SCSI SCSI
SCSI 00
SCSI 01
SCSI 02
SCSI
SCSI
SCSI (HDD)
SCSI (HDD)
SCSI (other)
SCSI (HDD)
SCSI (HDD)
SCSI (other)
SCSI
SCSI
SBA 1
RS485
PCI-X Backplane
SEU System Backplane
Core I/O
Backplane
SEU
Mass Storage
Backplane
SEU
Mass Storage
Backplane
SEU Core
I/O Board 0
SEU Core
I/O Board 1
Single Rope from SBA 1
Single Rope from SBA 0
CC to SBA 1
CC to SBA 0
SBA to CC
SBA to CC
CC to SBA 0
SBA to CC
CC to SBA 1
SBA to CC
Connector
Connector
Connector Connector
Connector Connector
Connector
Connector
Single Rope
from SBA 0
Single Rope
from SBA 1
Rope 0
Rope 1
SCSI 10
SCSI 11
SCSI 12
SCSI 00
SCSI 01
SCSI 02
SCSI 10
SCSI 11
SCSI 12
All internal SCSI is
single-ended 80MB/s
3.3VSTBY
VRM
500MHz PCI-X
Backplane
Clock Circuits
UCLK
Fan Monitor and
Fan Connectors
GPM and
Manageability
Circuits
Front Panel Connector
Temp
Sensor
Intrusion
Connector