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REV.A
Multi-function Adapter
(SPFG)
DIAGRAMS AND REFERENCE MATERIALS
TABLE 7-1-7.
MULTI-FUBCTIOR ADAPTER. (SPFG) BOARD JUMPER CONRECTIORS
Jumper
Number
J8
J7
J6
J5
J4
J3
J2
Jl
JI0 J9
Function
*
*
*
*
*
*
A-C A-C
*
*
Primary register set (3FO-3F7) AT:FDC
*
*
*
*
*
*
A-C B-C
*
*
Secondary regis. set (370-377) AT:FDC
*
*
*
*
*
*
B-C A-C
*
*
PC register set (3FO-3F7)
:
FDC
*
*
*
*
*
*
B-C B-C
*
*
Disable FDC register set
*
*
*
*
A-C A-C
*
*
A-C
*
Primary parallel I/F (378-37F) :IRQ 7
*
*
*
*
B-C A-C
*
*
B-C
*
Secondary paral. I/F (278-27F):IRQ
5
*
*
*
*
A-C B-C
*
*
A-C
*
Parallel I/F on video adapter
( 3BC-3BF)
:
IRQ 7
*
*
*
*
B-C B-C
*
*
*
*
Disable parallel I/F
*
*
A-C A-C
*
*
*
*
*
A-C
Primary serial I/F (3F8-3FF)
:
IRQ 4
*
*
B-C A-C
*
*
*
*
*
B-C
Secondary serial I/F (2F8-2FF):IRQ 3
*
*
A-C B-C
*
*
*
*
*
*
Disable serial I/F
*
*
B-C B-C
*
*
*
*
*
*
Disable serial I/F
*
A-C
*
*
*
*
*
*
*
*
AT drive I/F
*
B-C
*
*
*
*
*
*
*
*
EQUITY-3 drive I/F
A-C
*
*
*
*
*
*
*
*
*
Standard configuration
B-C
*
*
*
*
*
*
*
*
*
Test mode of VCO
Factory Settings
(SPFG
Board)
TABLE 7-1-8.
FACTORY
SETTIRGS (SPFG BOARD)
Jumper
Factory
Number
Setting
Function
J1
A-C
>
Primary register
J2
A-C
>
set of AT
J3
A-C
>
Primary
J4
A-C
>
parallel
J10
A-C
>
I/F
IRQ 7
J5
A-C
>
Primary
J6
A-C
>
serial
J9
A-C
>
I/F
:
IRQ 4
J7
A-C
AT drive I/F
J8
A-C
Standard configuration
7-5
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