IMS 5000 Series Manual page 124

IMS SYSTEM VERSIONS
BOARDS USED
System
CElL
m.
Mm.2u.
A 451
44x
465
B
645 631 465
C 645
480 465
0
971 465
BOARD PESCRIPTIONS
-
'-.
CPU-A
CPU-B
CPU-IO
64K DRAM
256K DRAM
SPIO-A
SPIO-B
4SIO
MPU
MPU
FDC
WDC
IMS International
8000 Hardware Manual/7.01.83/page 122
Number
451
645
971
465
961
444
631
480
740
861
931
820
pescription
Z-80 Processor Board
Z- 80 Processor Board
Z-80 Processor Board
Memory
Memory
Input/Output (2 serial ports,
1 parallel port)
Input/Output
(2
serial parts,
1 parallel port)
Input/Output
(4
serial ports)
Multiprocessor Unit
Multiprocessor UOlt
Floppy Disk Drive Controller
WlOchester Drive Controller
/