IODEV parameter: Difference between revisions

From m204wiki
Jump to navigation Jump to search
Line 25: Line 25:
<tr><th align="right"><var>19</var></th><td>VTAM or TCP/IP (Horizon SQL thread)</td></tr>
<tr><th align="right"><var>19</var></th><td>VTAM or TCP/IP (Horizon SQL thread)</td></tr>
<tr><th align="right"><var>23</var></th><td>Host Language IFAM thread</td></tr>
<tr><th align="right"><var>23</var></th><td>Host Language IFAM thread</td></tr>
<tr><th align="right"><var>25</var></th><td>[[Fast/Unload Soul Interface|FUSI]] thread, new in version 7.6 of Model 204.  These are created implicitly; as many threads are created as is the value of the <var>[[FUNTSKN parameter|FUNTSKN]]</var> parameter.  There is no reason to attempt to define these threads explicitly, although there may be, in future versions of Model 204.</td></tr>
<tr><th align="right"><var>25</var></th><td>[[Fast/Unload Soul Interface|FUSI]] thread, new in version 7.6 of Model 204.  These are created implicitly; as many threads are created as is the value of the <var>[[FUNTSKN parameter|FUNTSKN]]</var> parameter.  There is no reason to attempt to define these threads explicitly.</td></tr>
<tr><th align="right"><var>27</var></th><td>VTAM (Horizon thread)</td></tr>
<tr><th align="right"><var>27</var></th><td>VTAM (Horizon thread)</td></tr>
<tr><th align="right"><var>29</var></th><td>Remote User Language thread (line-at-a-time)</td></tr>
<tr><th align="right"><var>29</var></th><td>Remote User Language thread (line-at-a-time)</td></tr>

Revision as of 17:17, 17 January 2017

Type of I/O device

Summary

Default value
1
Parameter type
User
Where set
On user's parameter line
Related products
All
Introduced
Model 204 V2.1 or earlier

Description

The input/output device type

Valid settings of IODEV are:

IODEVAccess method/device type
1CCAIN/CCAPRINT (User 0 only)
3BSAM
7SNA Communications Server 3270
11Remote User Language thread (full screen)
19VTAM or TCP/IP (Horizon SQL thread)
23Host Language IFAM thread
25FUSI thread, new in version 7.6 of Model 204. These are created implicitly; as many threads are created as is the value of the FUNTSKN parameter. There is no reason to attempt to define these threads explicitly.
27VTAM (Horizon thread)
29Remote User Language thread (line-at-a-time)
37SNA Communications Server 3767 and NTO (z/OS)

Note: Value 37 is no longer supported as of Model 204 version 7.7.

39IUCV User Language thread (line-at-a-time)
41IUCV User Language thread (full screen)
43IUCV Host Language Interface thread
45CMS line-at-a-time console. This z/VM device setting is an ALTIODEV value; is cannot be specified on the user's parameter line.
47CMS full screen console. This z/VM device setting is an ALTIODEV value; is cannot be specified on the user's parameter line.
49VTAM or TCP/IP Horizon Remote Command Line (RCL) thread.
51SNA Communications Server (Parallel Query Option/204 thread)

Note: In addition to the above table of valid settings of the IODEV parameter, the value of IODEV on some Model 204 threads can be set as a result of other parameters:

ParameterRecommendedMeaning
SDAEMDEV15IODEV number for Sdaemons
TNDEV21IODEV number for TNSERV threads