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REV.A
Factory Settings (Main ARTA Board)
DIAGRAMS
AN»
REFERENCE MATERIALS
TABLE 7-1-2.
FACIDRY SETTINGS
(MAlB
ARTA
BOARD)
Jumper
Factory
Number
Setting
Function
J1
]"-C
J2
A-C.
>
Input CPU clock as
J3
B-C
>
NPX clock
J4
A-C)
2 wait cycles for EPROM access
J5
]"-C
>
4 vlait cycles for external
J6
A-C
>
16-bit device access
System Memory (ART-RH)
TABLE 7-1-3.
SYSTEM MEMORY (ART-RH)
BOARD
JUMPER CONNECTIONS
Jumper
Number
J7
J6
J5
J4
J3
J2
J1
Function
*
*
*
*
A-C A-G A-C
640KB Memory
*
*
*
*
A-C A-C B-C
512KB Memory
*
*
*
*
A-C B-C A-C
*
*
*
*
A-C B-C B-C
256KB Memory
*
*
*
*
B-C A-C A-C
*
*
*
*
B-C A-C B-C
*
*
*
*
B-C B-C A-C
*
*
*
*
B-C B-C B-C
OOOKB (disable all RAM)
*
*
A-C A-C
*
*
*
27128
*
*
A-C B-C
*
*
*
*
*
B-C A-C
*
*
*
*
*
B-C B-C
*
*
*
27256 EPROM size
A-C A-C
*
*
*
*
*
Select ROM pair 24].. and 24B
A-C B-C
*
*
*
*
*
B-C A-C
*
*
*
*
*
B-C B-C
*
*
*
*
*
Select ROM pair 23A and 23B
Legend:
+
=
Not Applicable
Inhibited
7-3
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