Control Data 3170 Installation Handbook page 76

Computer systems, msos version 5
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CIO
MST
MST
DECK/
(parameters)
(parameters)
p1.p2
2.3.34 3234 CONTROLLER OPTION (MS3234)
Definition:
The MS3234 controller option specifies whether a 3234 Mass Storage
Controller is in the system.
Option:
MS3234
MS3234
EQU
EQU
o
1
3234 not present
3234 is present
Dependency:
The 3234 controller is used with the 853 and 854 disk drives and the 813
and 814 disk files.
It
need not be changed from the release value.
Release value:
MS3234 equals 1 on the MSOS COSY tape and the MSOS binary source
tape.
Decks and COSY numbers:
DELETE/
15
DRIVMS
DECK/
p1, p2
2.3.35 3553 CONTROLLER OPTION (MS3553)
Definition:
The MS3553 option specifies whether a 3553 Mass Storage Controller is
included in the system.
Option:
MS3553
MS3553
EQU
EQU
o
1
3553 not present
3553 is present
Dependency:
The MS3553 option must be set to 1 if other than a 1:1 interlace is used
with 841 drives.
It
may remain equal to 1 even though no 841 drives are available.
Release value:
MS3553 equals 1 on the MSOS COSY tape and the MSOS binary source
tape.
Decks and COSY numbers:
DRIVMS
DELETE/
DECK/
14
p1, p2
2.3.36 MASS STORAGE BIAS OPTION (MSBIAS)
Definition:
The MSBIAS option selects the number of sectors between the end of seek
interrupt and the actual sector desired for data transfer.
This option provides the
capability to iss ue a data transfer within a seek interrupt subroutine
without miss ing
a revolution of the disk.
60410800 D
II-2-35
I

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