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Supported AT-Compatible Accessory Boards
Model 40fk, 42Ss,and 433ssystem units that run Domain/OS support the follow-
ing AT-compatible aeeeasoryboards
A-ADD-PCC Domain DOS Co-processor
A-ADD+PE Serial/Parallel Interfaa
A-MT-ATR
Apollo
Token Ring
. A-NET-Ill? IBM Token Ring
KIT'-ATBUS-CENT Centronics Interface
A-ADD-SCAT X.2.5Serial Interfam
Physical Configurations
Model 40% 425s,and 433s systems mnsist of three physical units the system
unit, the monitor, and the keyboard. This section describes each of the major
units and lists the components present in the system unit.
System Units
l%e system unit is available in three versions
Standd
Model 4(Kk,42Ss,and 433ssystems have the followingcompo-
nents
Power supply
Motherboard with two DIO-11 slots
CPU board with attached emulator board and memory modules
Graphics controller or interface board
Mass storage deviees
Fans
An optional HP-IB interface board may also be included.
DIO-11 systems have an additional 3-slot DIO-11 backplane.
ISA Model 400ssystems have an additional 4-slot ISA backplane that in-
etudea support for the Apollo Token Ring network hoard.
1-1o
Product
Information
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