User`s guide

3.5.3 Time-of-Year Clock . ................................ 3–11
3.5.4 Utility Bus Memory Device . . ........................ 3–12
3.5.5 ISA Expansion Slots ............................... 3–12
3.6 Interrupts . . ........................................ 3–13
3.7 System Clocks ....................................... 3–16
3.8 Reset and Initialization ................................ 3–19
3.9 Serial ROM . ........................................ 3–21
3.10 dc Power Distribution . ................................ 3–22
3.11 System Software ..................................... 3–24
3.11.1 Serial ROM Code . . ................................ 3–24
3.11.2 Mini-Debugger Code ............................... 3–24
3.11.3 Debug Monitor ROM Code . . . ........................ 3–25
3.11.4 Operating Systems . ................................ 3–25
4 System Address Mapping
4.1 Physical Memory Regions .............................. 4–1
4.2 21164 Address Mapping to PCI Space ..................... 4–4
4.2.1 Cacheable Memory Space (00.0000.0000 Through
00.3FFF.FFFF) .................................... 4–5
4.2.2 PCI Sparse Memory Space (80.0000.0000 Through
85.7FFF.FFFF) .................................... 4–5
4.2.3 Hardware Extension Registers (HAE) . . ................ 4–9
4.2.4 PCI Sparse I/O Space (85.8000.0000 Through
85.FFFF.FFFF) . . . ................................ 4–10
4.2.5 PCI Dense Memory Space (86.0000.0000 Through
86.FFFF.FFFF) . . . ................................ 4–13
4.2.6 PCI Configuration Space (87.0000.0000 Through
87.1FFF.FFFF) .................................... 4–14
4.2.7 PCI Interrupt Acknowledge/Special Cycle Space
(87.2000.0000 Through 87.3FFF.FFFF) . ................ 4–19
4.2.8 EB164 Hardware-Specific and Miscellaneous Register Space
(87.4000.0000 Through 87.6FFF.FFFF) . ................ 4–19
4.2.9 PCI-to-Physical Memory Addressing . . . ................ 4–20
5 Power and Environmental Requirements
5.1 Power Requirements . . ................................ 5–1
5.2 Environmental Requirements . . . ........................ 5–2
5.3 Physical Board Parameters ............................. 5–2
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