HP Model 715/50 hp 9000 series 700 model 715 workstations service handbook (a2 - Page 139

System Unit Functional Block Diagram, Model 715/C, 715/33, 715/50, and 715/75

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Figure 6-2 shows the system block diagram for Model 715/C, 715/33, 715/50, and 715/75 systems. Data Cache (64KB) 64 CPU PBUS 32 64 Instruction Cache (64KB) Memory 72 Base PDH Monitor Memory Control I/O Control 32 SGC Bus BMC CRX/HCRX EISA Graphics Interface Graphics Monitor Audio Line Out Line In Headphone Microphone Boot PROMs EEPROM Status Register LAN EISA BUS HP-HIL Serial/Parallel Interface SCSI Interface RTC HIL Devices SIO1 SIO2 Parallel SCSI-2 Bus 8 Keyboard DDS-Format Tape Drive Floppy Drive CD-ROM Drive Winchester Drive Figure 6-2. System Unit Functional Block Diagram Model 715/C, 715/33, 715/50, and 715/75 Diagrams 6-3

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Diagrams
6–3
Figure 6–2 shows the system block diagram for Model 715/C, 715/33, 715/50, and
715/75 systems.
Instruction
Cache (64KB)
Memory
Control
32
64
64
32
PBUS
8
I/O
Control
CPU
EISA BUS
Memory
72
BMC
Data Cache
(64KB)
SGC Bus
Base PDH
Graphics
Boot PROMs
EEPROM
Status
Register
LAN
HP–HIL
Serial/Parallel
Interface
SCSI
Interface
EISA
Interface
Audio
SCSI–2 Bus
RTC
HIL Devices
SIO1
SIO2
Parallel
Line Out
Line In
Headphone
Microphone
Keyboard
DDS–Format Tape Drive
Floppy Drive
CD–ROM Drive
Winchester Drive
Monitor
CRX/HCRX
Graphics
Monitor
Figure 6–2.
System Unit Functional Block Diagram
Model 715/C, 715/33, 715/50, and 715/75