10-4
SPARCserver 1000 System Service Manual—June 1996
10
10.4 System Board Block Diagram
Figure 10-2 is a block diagram of the system board. The SPARC modules,
SIMMs, and optional SBus cards are removable and can be replaced or moved
to another SPARCserver 1000 system board.
Figure 10-2 System Board Block Diagram
Components shown in solid outlines are not field replaceable; if diagnostics
report that a non-removable component failed, replace the entire system board.
DRAM
group
I/O
Cache
(IOC)
Memory
control
(MQH)
SBus
Intf.
(SBI)
Bus
watcher
(BW)
BIC
and
BARB
Data
Addr
SBus
SPARC module
SPARC module
LEDS
JTAG Control
SRAM
UARTs
EPROM
BBC2
BootBus
CPU
Cache
control
XBus
XBus
CPU
High
speed
cache
plus
parity
Cache
control
High
speed
cache
plus
parity
TODC/NVRAM
Bus
watcher
(BW)
DRAM
group
Slot 3
On-board
ethernet
and SCSI
Slot 2
Slot 1
Page
table
Data
Addr
XBus
Содержание SunSwift SPARCserver 1000
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Страница 39: ...Part2 Troubleshooting ...
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Страница 77: ...Part3 PreparingforService ...
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Страница 89: ...Part4 SubassemblyRemovaland Replacement ...
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Страница 125: ...Part5 SystemBoard ...
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Страница 153: ...Part6 IllustratedPartsBreakdown ...
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Страница 163: ...Part7 Appendixes Glossary Index ...
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