User guide

6–20 Refresh Timing Register: 0x180000220 ............ 6–29
6–21 Block Diagram of the DECchip 21071-BA .......... 6–30
7–1 PCI Host Bridge .............................. 7–1
7–2 DECchip 21071-DA Block Diagram ............... 7–2
7–3 Diagnostic Control/Status Register: 0x1A0000000 .... 7–10
7–4 PCI Error Address Register: 0x1A0000020 . . . ...... 7–14
7–5 System Bus Error Address Register: 0x1A0000040 . . . 7–14
7–6 Translated Base Registers 1, 2: 0x1A00000C0,
0x1A00000E0 . ............................... 7–15
7–7 PCI Base Registers 1 and 2: 0x1A0000100,
0x1A0000120 . ............................... 7–16
7–8 PCI Mask Registers 1 and 2: 0x1A0000140,
0x1A0000160 . ............................... 7–17
7–9 Host Address Extension Register 0: 0x1A0000180.... 7–18
7–10 Host Address Extension Register 1: 0x1A00001A0 . . . 7–18
7–11 Host Address Extension Register 2: 0x1A00001C0 . . . 7–19
7–12 PCI Master Latency Timer Register: 0x1A00001E0. . . 7–20
7–13 TLB Tag Registers 0 Through 7: 0x1A0000200 to
0x1A00002E0 . ............................... 7–21
7–14 TLB Data Registers 0 Through 7: 0x1A0000300 to
0x1A00003E0 . ............................... 7–21
8–1 PCI Bus and Interfaces to the I/O Subsystem . ...... 8–2
8–2 PCI Configuration Registers .................... 8–4
8–3 DECchip 21040-AA CSR9 (ENET ROM Register) .... 8–6
8–4 PCI Configuration Block ....................... 8–8
9–1 Nbus and Nbus Resources ...................... 9–1
9–2 SIO Configuration Block ....................... 9–3
9–3 Module Display Control Register . . ............... 9–6
9–4 Display Character Set . . ....................... 9–6
9–5 Module Configuration Register................... 9–7
9–6 Memory Configuration Registers 0-3 .............. 9–9
9–7 Memory Identification Register . . . ............... 9–10
9–8 Reset Reason Registers . ....................... 9–13
9–9 Module Control Register 1 ...................... 9–15
9–10 Bcache Configuration Register ................... 9–16
9–11 Flash ROM Layout/Addressing . . . ............... 9–18
9–12 TOY Clock Command Register ................... 9–24
9–13 82C54 Control Byte ........................... 9–26
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