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Appendix C Functional Description C-3
FIGURE C-1 Ultra 60 System Unit Functional Block Diagram
UPA_AD2
K9+
72
PSYCHO+
66-MHz/64-bit PCI bus
PCI 66
Slot 1
UPA_AD3
64
Control
Cheerio
SuperIO
Audio
8
EBus2
XCVR
10/100 Ethernet
Symbios
33-MHz/64-bit PCI bus
Keyboard/mouse/parallel/diskette
Serial
Ports
Serial
ports
Audio
module
Marvin
ASIC
ASIC
ASIC
controller
ASIC
ASIC
NVRAM/
CPU
module
1
PCI
slot 2
PCI
slot 3
PCI
slot 4
TOD
1-Mbyte
Flash
PROM
UPA graphics
slots 0, 1
576
CPU
module
0
UPA_AD0
UPA_DATA0
144
Memory
UPA_AD1
UPA_DATA
144
Memory data
UPA_DATA2
Memory address/control
Clock control
RISC
ASIC
UPA_DATA3
1
SCSI bus
(External)
SCSI bus
(Internal)