98561-66513 Processor Board; General Description - HP 9000 Series 310 Service Information Manual

98561-66513 Processor Board
General Description
The 98561-66513 processor board has the following features:
• MC6840 System Timer.
• 10 MHz MC68010 Inicroprocessor.
• Boot ROM.
• Eight Self-Test LEDs
• 1 M-byte of RAM:.
• MCA2800ALS RAM Controller.
• Memory Managernent Unit.
• HP-IB Interface.
• RS-232 Interface.
• HP-HIL Keyboard Electronics with battery backed-up Real Time Clock.
• Miscellaneous other components needed by HP Operating Systems (HP-UX, Pascal, BA-
SIC).
Figure 3-10 is a block diagram of the 985()1-66513 processor board. Refer to this diagram for
functional descriptions.
BlA(J1:0)
I
TA(22:2)
- -
- - - - - - - - 0
PA(2J:1)
PD(J1:0)
CACHE_ TLB
MMU
CPU
PROC_ CONTROL
IIPO(J1:0)
10(15:0)
L
L ---
DIO_INT
1IPO(4:0)
TT
WALJ([NII
WMU
~ONTROL
1
W015
PROC CONTROL
r-f--
CACHE CONTROL
C1
~
PROC CONTROl.
1
J~
BlA(2J:21),BlA1J
100
I
CONTROL
DlO CONTROL
os ..
,oorr--
ROM
~.
Figure 3-10. 98561-66513 Processor Board Block Diagram
Functional Description 55