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Preparing for Installation or Service
1-5
1
Figure 1-2
Replacement Part Locations
SBus 0
SBus 1
SBus 2
SBus 3
SBus
I/F
(SBI)
I/O
cache
(IOC)
I/O
cache
(IOC)
Mem.
ctrl.
(MQH)
Mem.
ctrl.
(MQH)
Bus
watcher
(BW))
BIC
&
BARB
Bus
watcher
(BW))
BIC
&
BARB
Bus
watcher
(BW))
Bus
watcher
(BW))
SIMMs
SIMMs
SPARC B
module
SPARC A
module
Boot bus
EPROM
UARTs
SRAM
LEDS
JTAG ctrl
TODC/NVRAM
XBus
XBus
XBus
XDBuses
SuperSPARC
module A
SuperSPARC
module B