IBM System/370 145 Manual page 178

Table 40.05.6. (continued)
1401/1440/1460
• 1301 Disk storage (only one
access arm)
1311 Disk storage Drive
Models 11 and 12
Model 145 I/O Device
• Any direct access device
supported by OSBDAM.
1405 Disk storage Models 1 and 2
Up to five 1311 drives and
If two or more System/370
direct access devices are
required to emu1ate one 1400
disk device, all Model 145
one 1301 module or one 1q05
Modell or 2
can~e
emulated. All features are
supported except Write Disk
Check (treated as a no-op).
write verification can be
requested in the
os
job
control statement for the
emulated disk device.
disk devices used to emulate
that device must be of the same
type.
Table 40 .. 05.1. 1Q01/1440/1Q60 I/O devices and features not supported
by the Model 1Q5 OS 1401/1Q40/1460 Emulator program
1400 I/O Device 1400 Feature
1404 Printer 1401 Model G
1444 Card Punch Binary Transfer
1445 printer column Binary
1011 Paper Tape Reader Translate (1460)
1012 Tape Punch
Optical readers
Magnetic character readers
1340 Hypertape Drive
Teleprocessing devices
Table 40.05.8. Model 145 direct access device requirements for emUlation
of 1401/1440/1460 disk devices using OS with and without
the Track OVerflow (T.O.) feature.
1401/1440/1460
Disk Device
1405 Modell
1405 Model 2
1311 (Sector mode)
1311 (Track mode
or both track and
sector mode)
1301 (Sector mode)
1301 (Track mode
or both track and
sector mode)
168
Model 145 Disk Drives
Number of Cylinders Required per 1400 Device
With T.O.
without T.O.
2311 2314 3330 2311 2314 3330
316 82
41
334 84 48
632 163 93 667 167 96
64
11
9
100 17 10
81 22 12 100 25 13
634 161 92 1000 167 105
144 188 108 1000 250 132
A Guide to the IBM System/370 Model 145