DEC 4000 600 series, Руководство пользователя, Страница: 179 / 242

Subsystems and Components
Figure 7–1 DEC 4000 AXP System Architecture
Front
End
Unit
Power
System
Contr
DC5 DC3
CPU 1
CPU 0
Operator
Control
Panel
C o n s o l e
T e r m i n a l
TM
d i i g t a l
SCHOLAR
Plus
D a t a
T a l k
T e s t
L o o p
O f f
O n
S D R D C D T R S I
Asynchronous Serial Line
(with modem control)
Asynchronous Serial Line
(Console Line)
Ethernet Port 0
Ethernet Port 1
DSSI/SCSI Bus A
SCSI Only Bus E
(Removable Media)
Serial Control Bus
Serial Control Bus
System Bus
Fu
To Outlet
Power Subsystem
I/O
Module
DSSI/SCSI Bus B
DSSI/SCSI Bus C
DSSI/SCSI Bus D
Memory 3
MLO-009365
Fu Option 6
Fu Option 5
Fu Option 4
Fu Option 3
Fu Option 2
Fu Option 1
Memory 2
Memory 1
64, 128 MB
Memory 0
Indicates Optional
Learning More About Your System 7–5