xiv SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
B. Components B–1
B.1 CPU Memory Board Unit B–4
B.2 CPU Module B–5
B.3 Memory B–7
B.4 I/O Unit B–8
B.5 Hard Disk Drive B–10
B.6 PCI Cassette B–10
B.7 IOU Onboard Device Card B–12
B.8 Link Card (External I/O Expansion Unit Connection Card) B–13
B.9 Crossbar Unit B–14
B.10 Clock Control Unit B–16
B.11 XSCF Unit B–17
B.12 CD-RW/DVD-RW Drive Unit B–19
B.13 Tape Drive Unit B–20
B.14 Operator Panel B–21
B.15 Sensor Unit B–23
B.16 Power Supply Unit B–24
B.17 AC Section B–25
B.18 FAN Unit B–30
B.19 Power Cabinet B–32
B.20 Rack-mountable Dual Power Feed B–34
B.21 Backplane B–35
B.22 DDC B–37
B.23 PSU Backplane B–38
B.24 FAN Backplane B–39
B.25 Media Backplane B–42
B.26 Switch Backplane B–43
C. External Interface Specifications C–1