OPSYS parameter: Difference between revisions

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==Description==
==Description==
<p>The operating system under which <var class="product">Model&nbsp;204</var> is running </p>
<p>
<p>Valid settings of OPSYS are: </p>
This parameter reports the operating system under which <var class="product">Model&nbsp;204</var> is running. </p>
<p>
Valid settings of <var>OPSYS</var> are: </p>
 
<table>
<table>
<tr><th>Setting</th><th>Meaning</th></tr>
<tr class="head"><th>Setting</th><th>Meaning</th></tr>
<tr><th align="right"><var>X'800000' </var></th><td>Obsolete bit; ignore.</td></tr>
 
<tr><th align="right"><var>X'400000'</var></th><td>z/OS (any version). Bit is set whenever environment is z/OS.</td></tr>
<tr><th align="right"><var>X'800000' </var></th>
<tr><th align="right"><var>X'200000'</var></th><td>IUCV communication available and in use.</td></tr>
<td>Obsolete bit; ignore.</td></tr>
<tr><th align="right"><var>X'100000'</var></th><td>z/OS supports real 64-bit storage.</td></tr>
 
<tr><th align="right"><var>X'020000'</var></th><td>64-bit virtual storage is supported.</td></tr>
<tr><th align="right"><var>X'400000'</var></th>
<tr><th align="right"><var>X'008000'</var></th><td>z/VSE operating system</td></tr>
<td>z/OS (any version). Bit is set whenever environment is z/OS.</td></tr>
<tr><th align="right"><var>X'004000'</var></th><td>z/VSE 370 support</td></tr>
 
<tr><th align="right"><var>X'002000'</var></th><td>z/VSE 31-bit addressing supported</td></tr>
<tr><th align="right"><var>X'200000'</var></th>
<tr><th align="right"><var>X'001000'</var></th><td>z/VM (any version). Bit is set whenever environment is z/VM. z/VM Release 7 or earlier, if not combined with X'000400'.</td></tr>
<td>IUCV communication available and in use.</td></tr>
<tr><th align="right"><var>X'000800' </var></th><td>z/OS/ESA (z/OS SP2 or later). This option can be summed with X'400000'.</td></tr>
 
<tr><th align="right"><var>X'100000'</var></th>
<td>z/OS supports real 64-bit storage.</td></tr>
 
<tr><th align="right"><var>X'020000'</var></th>
<td>64-bit virtual storage is supported.</td></tr>
 
<tr><th align="right"><var>X'008000'</var></th>
<td>z/VSE operating system</td></tr>
 
<tr><th align="right"><var>X'004000'</var></th>
<td>z/VSE 370 support</td></tr>
 
<tr><th align="right"><var>X'002000'</var></th>
<td>z/VSE 31-bit addressing supported</td></tr>
 
<tr><th align="right"><var>X'001000'</var></th>
<td>z/VM (any version). Bit is set whenever environment is z/VM. z/VM Release 7 or earlier, if not combined with X'000400'.</td></tr>
 
<tr><th align="right"><var>X'000800' </var></th>
<td>z/OS/ESA (z/OS SP2 or later). This option can be summed with X'400000'.</td></tr>
 
<tr><th align="right"><var>X'000400'</var></th><td>z/VM/ESA (CMS Release 8 or later). This option can be summed with X'001000'.</td></tr>
<tr><th align="right"><var>X'000400'</var></th><td>z/VM/ESA (CMS Release 8 or later). This option can be summed with X'001000'.</td></tr>
<tr><th align="right"><var>X'000200'</var></th><td>Fujitsu FACOM OSIV, F4 Edition, 40 OS.</td></tr>
 
<tr><th align="right"><var>X'000100'</var></th><td>Large data sets are supported.</td></tr>
<tr><th align="right"><var>X'000200'</var></th>
<tr><th align="right"><var>X'000080'</var></th><td>Maintains the Breaking Event Address Register (BEAR), making its stored value available to <var class="product">Model&nbsp;204</var> debugging code. The BEAR, available on z9 or higher systems, stores the address of a breaking event in CPU sequential processing, such as a branch.</td></tr>
<td>Fujitsu FACOM OSIV, F4 Edition, 40 OS.</td></tr>
<tr><th align="right"><var>X'000040'</var></th><td>EAV volumes supported.</td></tr>
 
<tr><th align="right"><var>X'000020'</var></th><td>1 MB pages are supported.</td></tr>
<tr><th align="right"><var>X'000100'</var></th>
<tr><th align="right"><var>X'000008'</var></th><td>I/O from 64-bit virtual storage areas is supported.</td></tr>
<td>[[DEFINE DATASET command#LARGE data sets|Large data sets]] are supported.</td></tr>
 
<tr><th align="right"><var>X'000080'</var></th>
<td>Maintains the Breaking Event Address Register (BEAR), making its stored value available to <var class="product">Model&nbsp;204</var> debugging code. The BEAR, available on z9 or higher systems, stores the address of a breaking event in CPU sequential processing, such as a branch.</td></tr>
 
<tr><th align="right"><var>X'000040'</var></th>
<td>EAV volumes supported.</td></tr>
 
<tr><th align="right"><var>X'000020'</var></th>
<td>[[Performance monitoring and tuning#1MB virtual pages|1 MB pages]] are supported.</td></tr>
 
<tr><th align="right"><var>X'000008'</var></th>
<td>I/O from 64-bit virtual storage areas is supported.</td></tr>
 
<tr><th align="right"><var>X'000004'</var></th>
<td>I/O from 64-bit virtual storage areas is supported for FBA devices.</td></tr>
 
<tr><th align="right"><var>X'000002'</var></th>
<td>[[ZHPF_command|zHPF]] is supported.</td></tr>
</table>
</table>
[[Category:System parameters]]
[[Category:System parameters]]
[[Category:Parameters]]
[[Category:Parameters]]

Latest revision as of 13:43, 13 March 2017

Operating system

Summary

Default value
None
Parameter type
System
Where set
View-only
Related products
All
Introduced
Model 204 V2.1 or earlier

Description

This parameter reports the operating system under which Model 204 is running.

Valid settings of OPSYS are:

SettingMeaning
X'800000' Obsolete bit; ignore.
X'400000' z/OS (any version). Bit is set whenever environment is z/OS.
X'200000' IUCV communication available and in use.
X'100000' z/OS supports real 64-bit storage.
X'020000' 64-bit virtual storage is supported.
X'008000' z/VSE operating system
X'004000' z/VSE 370 support
X'002000' z/VSE 31-bit addressing supported
X'001000' z/VM (any version). Bit is set whenever environment is z/VM. z/VM Release 7 or earlier, if not combined with X'000400'.
X'000800' z/OS/ESA (z/OS SP2 or later). This option can be summed with X'400000'.
X'000400'z/VM/ESA (CMS Release 8 or later). This option can be summed with X'001000'.
X'000200' Fujitsu FACOM OSIV, F4 Edition, 40 OS.
X'000100' Large data sets are supported.
X'000080' Maintains the Breaking Event Address Register (BEAR), making its stored value available to Model 204 debugging code. The BEAR, available on z9 or higher systems, stores the address of a breaking event in CPU sequential processing, such as a branch.
X'000040' EAV volumes supported.
X'000020' 1 MB pages are supported.
X'000008' I/O from 64-bit virtual storage areas is supported.
X'000004' I/O from 64-bit virtual storage areas is supported for FBA devices.
X'000002' zHPF is supported.
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