Sun Microsystems SPARCcenter 2000 Manual page 19

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