User`s guide

Contents

INDEX

FIGURES

1–1 System Front View 1–4

1–2 System Rear View 1–5

1–3 System Architecture 1–6

1–4 XMI 1–7

1–5 H7242 Inhibit Cable 1–8

1–6 Booting from an Ethernet-Based CD Server 1–9

1–7 DWMBB Adapter Block Diagram 1–10

1–8 Console and Terminal Connectors 1–11

1–9 Power System (Rear View) 1–12

1–10 Airﬂow Pattern 1–14

1–11 System Options 1–15

2–1 XMI System Block Diagram 2–2

2–2 XMI Node Block Diagram Showing the XMI Corner 2–4

2–3 XMI Memory and I/O Address Space 2–12

2–4 Address Association 2–13

2–5 XMI I/O Space Address Allocation 2–14

2–6 XMI Arbitration Block Diagram 2–20

2–7 Command Cycle Format for a Data Transaction 2–23

2–8 Command Cycle Format for an Interrupt Transaction 2–23

2–9 Mask Field Bit Assignments 2–25

2–10 XMI Address Interpretation 2–27

2–11 Node Speciﬁer Field 2–28

2–12 Read Command 2–34

2–13 Interlock Read Command 2–35

2–14 Interlock Granularity/Region 2–36

2–15 Ownership Read Command 2–37

2–16 Write Mask Command 2–38

2–17 Unlock Write Mask Command 2–40

2–18 Disown Write Mask Command 2–41

2–19 Tag Bad Data Command 2–42

2–20 Interrupt Command 2–43

2–21 Identify Command 2–44

2–22 Identify Response 2–44

2–23 Implied Vector Interrupt Command 2–45

2–24 Read Transaction 2–46

2–25 Interlock Read Transaction to a Locked Location 2–47

2–26 Multiple Quadword Reads Command Cycle 2–48

2–27 Four Longword Reads 2–48

2–28 Read Quadwords with HOLD 2–48

2–29 Hexword Read with Single Correctable Read Error 2–49