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SECTION
IV
Configuring Within IOM
subsystem
Buffer Area in Memory for
Subsystem
IL
L
W7} _
23—1:
l"
{T
I!
I:
WhatGCOS
'*
,'
W
'
I
sees
<:"—r
{:
: :
: g
.I
I a
| l
l l
'
I"
all
ll
(1)
IOC
:IOC , 'LIQQJ
.._I9§1 I
"'U |
ll
..
':
H
I
.
————J>-
:}
I:
ll
Required
J'l
' ,
I ' Optional
IOM
Logical
_*i :
i I
: :>Logical
Channel/
5 I
l
I
"—7 l Channels/
Path
| g
: :
g g Paths (2)
pl
Physical Channel for
MSP or MTP
(l) IOC=I/O command
(2) In MSP case the
holding place.
Combination
useful normal maximum
of IOCs forms a command stack
MTP
number of optional
or queue
or
logical channels is 3,
MSP
but up to 7 might be
useful
(2) In MTP (1x8) useful
normal maximum number of
optional logical channels is
one
-._ _._i
Tape or Disk Units
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