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<h1 class="topictitle1">Normal control panel functions</h1>
<div><p>Following are instructions to use function 01 through 49. Functions
21 through 49 are available when you select manual mode.</p>
<div class="section"><p>The instructions you follow for function 01 or function 02 depends
on whether your server uses a keystick. Also, the instructions for function
01 and 02 alternate between servers with a keystick and servers without a
keystick.</p>
<p>To determine how to activate functions 01 and 02 on a control
panel, do the following:</p>
</div>
<ol><li class="stepexpand"><span> <span class="uicontrol">Does the control panel have an electronic keylock (a
keystick)?</span> </span>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">Yes</span> </td>
<td valign="top">Go to the next step.</td>
</tr>
<tr><td valign="top"> <span class="uicontrol">No</span> </td>
<td valign="top">The system displays the IPL key mode (M or N only). The IPL key modes,
Auto and Secure, are not supported. Follow function 01 and 02 procedures for
<span class="uicontrol">system without a keystick</span>.</td>
</tr>
</tbody>
</table>
</div>
</li>
<li class="stepexpand"><span>Insert the keystick.</span> <p>Press the Mode-selection button
to select the IPL mode. Follow function 01 and 02 procedures for <span class="uicontrol">systems
with a keystick</span>.</p>
</li>
</ol>
<div class="section"><div class="note"><span class="notetitle">Note:</span> The function that is displayed is not activated until you press
Enter on the control panel.</div>
<p>To select a function number, press the
Increment (^) or Decrement (V) button on the control panel. To activate the
function, press Enter on the control panel while the system displays the required
function number.</p>
<p><strong>Function 01-Display Selected IPL Type and IPL Speed
(on Systems with a Keystick)</strong></p>
<p>This function allows you to display
the selected type and speed for the next IPL.</p>
<ol><li>Display IPL types (A, B, C, or D).</li>
<li>Display IPL speed (F, S, SE, V=F, or V=S).</li>
</ol>
<p>When selected, function 01 displays the currently selected IPL type
and IPL speed values (where each ( <samp class="codeph">_</samp>) represents 1 character):</p>
<p>The
following table shows a function 01 example with a keystick.</p>
<p><strong>Function
01 on systems with a keystick</strong> </p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e91">Function/data </th>
<th valign="top" id="d0e93">Action or description </th>
</tr>
</thead>
<tbody><tr><td valign="top" headers="d0e91 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e93 ">Use the Increment or Decrement buttons to scroll to function 01.</td>
</tr>
<tr><td valign="top" headers="d0e91 "> <pre>0 1 _ _ A _ _ _ _ _ V = F _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e93 ">Valid IPL types are A, B, C, and D. <p>Valid IPL speed displays are
<samp class="codeph">F, S, SE, V=F, or V=S</samp>.</p>
</td>
</tr>
<tr><td valign="top" headers="d0e91 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e93 ">Use the Increment or Decrement buttons to scroll through the control
panel functions.</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Function 01-Display Selected IPL Type, Logical Key Mode, and
IPL Speed (on Systems without a Keystick)</strong></p>
<p>This function allows you
to display the selected IPL type, logical key mode, and speed for the next
IPL.</p>
<ol><li>Display IPL types (A, B, C, or D).</li>
<li>Display the valid logical key modes (M or N).</li>
<li>Display IPL speed (F, S, SE, V=F, or V=S).</li>
</ol>
<p>The following table shows a function 01 example on systems without
a keystick.</p>
<p><strong>Function 01 on systems without a keystick</strong> </p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e149">Function/data</th>
<th valign="top" id="d0e151">Action or description</th>
</tr>
</thead>
<tbody><tr><td valign="top" headers="d0e149 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e151 ">Use the Increment or Decrement buttons to scroll to function 01.</td>
</tr>
<tr><td valign="top" headers="d0e149 "> <pre>0 1 _ _ A _ _ M _ _ V = F _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e151 ">Valid IPL types are A, B, C, and D. <p>Valid logical key modes are
M and N.</p>
<p>Valid IPL speed displays are <samp class="codeph">F, S, SE, V=F, or V=S.</samp></p>
</td>
</tr>
<tr><td valign="top" headers="d0e149 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e151 ">Use the Increment or Decrement buttons to scroll through the control
panel functions.</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Function 02 with a keystick - Select IPL Type and IPL Speed
Override (on Systems with a Keystick)</strong></p>
<p>Before you can use function
02, you must have the system in Manual mode. You can make selection changes
to IPL types with the system powered on or off. However, to select the IPL
speed override, you must power off the system.</p>
<p>The following table shows
the sequence used to select the IPL type on iSeries™ servers that are powered on.</p>
<p><strong>Function
02 selects IPL type on powered-on systems with a keystick</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e204">Function/data</th>
<th valign="top" id="d0e206">Action or description</th>
</tr>
</thead>
<tbody><tr><td valign="top" headers="d0e204 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e206 ">Use the Increment or Decrement buttons to scroll to function 02.</td>
</tr>
<tr><td valign="top" headers="d0e204 "> <pre>0 2 _ _ A &lt; _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e206 ">Press Enter to start function 02. The current IPL type is displayed
with a pointer.</td>
</tr>
<tr><td valign="top" headers="d0e204 "> <pre>0 2 _ _ B &lt; _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e206 ">Use the Increment or Decrement buttons to scroll through the IPL types.</td>
</tr>
<tr><td valign="top" headers="d0e204 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e206 ">Press Enter to select the IPL type and exit function 02.</td>
</tr>
<tr><td valign="top" headers="d0e204 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e206 ">Use the Increment or Decrement buttons to scroll through the control
panel functions.</td>
</tr>
</tbody>
</table>
</div>
<p>The following table shows the sequence used to select the IPL type
and IPL speed on iSeries 400<sup>®</sup> systems
that are powered off.</p>
<p><strong>Function 02 selects IPL type and IPL speed
on powered-off systems with a keystick </strong> </p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e267">Function/Data</th>
<th valign="top" id="d0e269">Action or Description</th>
</tr>
</thead>
<tbody><tr><td valign="top" headers="d0e267 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e269 ">Use Increment or Decrement buttons to scroll to function 02.</td>
</tr>
<tr><td valign="top" headers="d0e267 "> <pre>0 2 _ _ A &lt; _ _ _ _ _ _ V _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e269 ">Press Enter to start function 02: <ul><li>The current IPL type is displayed with pointer.</li>
<li>The current IPL speed is displayed.</li>
</ul>
</td>
</tr>
<tr><td valign="top" headers="d0e267 "> <pre>0 2 _ _ B &lt; _ _ _ _ _ _ V _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e269 ">Use the Increment or Decrement buttons to scroll through the IPL types
and speeds.</td>
</tr>
<tr><td valign="top" headers="d0e267 "> <pre>0 2 _ _ B _ _ _ _ _ _ _ V _ &lt; _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e269 ">Press Enter to select the IPL type. <ul><li>The current IPL type is displayed.</li>
<li>The current IPL speed is displayed with a pointer.</li>
</ul>
</td>
</tr>
<tr><td valign="top" headers="d0e267 "> <pre>0 2 _ _ B _ _ _ _ _ _ _ S _ &lt; _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e269 ">Use the Increment or Decrement buttons to scroll through the IPL speeds.</td>
</tr>
<tr><td valign="top" headers="d0e267 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e269 ">Press Enter to select the IPL speed and exit function 02.</td>
</tr>
<tr><td valign="top" headers="d0e267 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e269 ">Use the Increment or Decrement buttons to scroll through the control
panel functions.</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Function 02 without a keystick-Select IPL Type, IPL Speed Override,
and Logical Key Mode (on Systems without a Keystick.)</strong></p>
<p>You can use
function 02 in either normal mode or manual mode. With the system either powered
on or off, this function allows you to select the IPL type and logical key
mode. Before you can select the IPL speed override, you must power off the
system.</p>
<p><strong>Powered-on systems</strong></p>
<p>For powered-on systems without
a keystick, function 02 is used to select the IPL mode and logical key mode.
The following table shows an example of the function 02 IPL type and logical
key mode selection sequence for a powered-on system that does not have a keystick.</p>
<p><strong>Function
02 selects IPL type and logical key mode on powered-on systems without a keystick</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e357">Function/data</th>
<th valign="top" id="d0e359">Action or description</th>
</tr>
</thead>
<tbody><tr><td valign="top" headers="d0e357 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e359 ">Use the Increment or Decrement buttons to scroll to function 02.</td>
</tr>
<tr><td valign="top" headers="d0e357 "> <pre>0 2 _ _ A &lt; _ M _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e359 ">Press Enter to start function 02. <ul><li>The current IPL type is displayed with a pointer.</li>
<li>The current logical key mode is displayed.</li>
</ul>
</td>
</tr>
<tr><td valign="top" headers="d0e357 "> <pre>0 2 _ _ B &lt; _ M _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e359 ">Use the Increment or Decrement buttons to scroll through the IPL types.</td>
</tr>
<tr><td valign="top" headers="d0e357 "> <pre>0 2 _ _ B _ _ M &lt; _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e359 ">Press Enter to select the IPL type.</td>
</tr>
<tr><td valign="top" headers="d0e357 "> <pre>0 2 _ _ B _ _ N &lt; _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e359 ">Use the Increment or Decrement buttons to scroll through the logical
key modes.</td>
</tr>
<tr><td valign="top" headers="d0e357 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e359 ">Press Enter to select the logical key mode and exit function 02.</td>
</tr>
<tr><td valign="top" headers="d0e357 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e359 ">Use the Increment or Decrement buttons to scroll through the control
panel functions.</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Powered-off systems</strong></p>
<p>For powered-off systems without
a keystick, function 02 is used to select the IPL type, logical key mode,
and IPL speed indicators. The following table shows an example of the function
02 IPL type, logical key mode, and IPL speed selection sequence for a powered-off
system that does not have a keystick.</p>
<p><strong>Function 02 selects IPL type,
logical key mode, and IPL speed on powered-off systems without a keystick</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e437">Function/data</th>
<th valign="top" id="d0e439">Action or description</th>
</tr>
</thead>
<tbody><tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Use the Increment or Decrement buttons to scroll to function 02.</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ A &lt; _ M _ _ _ _ V _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Press Enter to start function 02. <ul><li>The current IPL type is displayed with a pointer.</li>
<li>The current logical key mode is displayed.</li>
<li>The current IPL speed is displayed.</li>
</ul>
</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ B &lt; _ M _ _ _ _ V _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Use the Increment or Decrement buttons to scroll through the IPL types.</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ B _ _ M &lt; _ _ _ V _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Press Enter to select the IPL type. <ul><li>The current IPL type is displayed.</li>
<li>The current logical key mode is displayed with a pointer.</li>
<li>The current IPL speed is displayed.</li>
</ul>
</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ B _ _ N &lt; _ _ _ V _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Use the Increment or Decrement buttons to scroll through the logical
key modes.</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ B _ _ N _ _ _ _ V _ &lt; _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Press Enter to select the logical key mode. <ul><li>The current IPL type is displayed.</li>
<li>The current logical key mode is displayed.</li>
<li>The current IPL speed is displayed with a pointer.</li>
</ul>
</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ B _ _ N _ _ _ _ S _ &lt; _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Use the Increment or Decrement buttons to scroll through the IPL speeds.</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Press Enter to select the IPL speed and exit function 02.</td>
</tr>
<tr><td valign="top" headers="d0e437 "> <pre>0 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _</pre>
</td>
<td valign="top" headers="d0e439 ">Use the Increment or Decrement buttons to scroll through the control
panel functions.</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Function 03-Start IPL</strong></p>
<p>The system enables function
03 only when the key mode is in manual and the system power is on.</p>
<p>This
function starts an IPL of the selected IPL type when you press the Enter button.
The system will load all the Licensed Internal Code.</p>
<div class="attention"><span class="attentiontitle">Attention:</span> The
system does not perform a system shutdown before the IPL. The use of this
function can cause loss of data.</div>
<p><strong>Function 04-Lamp Test</strong></p>
<p>This
function shows whether any control panel indicators are burned out and whether
characters that are displayed on the control panel <var class="varname">Function/Data</var> display
are valid. When you activate this test, all the control panel lights and indicators
flash on and off.</p>
<p>The lamp test continues on the system control panel
until you perform another control panel function or a power procedure. The
lamp test for the expansion unit control panel is active for 25 seconds and
does not flash.</p>
<p>Use this procedure to verify that the lights on the
system control panel are working correctly. If you cannot complete these steps,
contact your service provider.</p>
<ol><li>Power on the system.</li>
<li>Press the Increment (^) or Decrement (V) buttons on the control panel
to display Function 04. <p>Press Enter on the control panel.</p>
</li>
<li>Do all of the lights and indicators on the system control panel flash
on and off?
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">Yes</span> </td>
<td valign="top">Proceed to the next step.</td>
</tr>
<tr><td valign="top"> <span class="uicontrol">No</span> </td>
<td valign="top">Need to exchange the control panel or the replaceable unit that contains
the control panel function (system unit backplane (MB1) or tower card (CB1)).
Contact your service provider.</td>
</tr>
</tbody>
</table>
</div>
</li>
<li>Do all the control panel lights on the expansion unit come on?
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">Yes</span> </td>
<td valign="top">End.</td>
</tr>
<tr><td valign="top"> <span class="uicontrol">No</span> </td>
<td valign="top">Exchange the control panel on the expansion unit.</td>
</tr>
</tbody>
</table>
</div>
</li>
</ol>
<p>The lights on the system control panel are working correctly.</p>
<p><strong>Function
05-SPCN SRC</strong></p>
<p>Function 05 displays information about power faults
and provides informational reference codes during disk-unit concurrent maintenance
procedures. The format for this function is as follows:</p>
<p><strong>SPCN SRC
formats</strong></p>
<br /><img src="rbafh500.gif" alt="This image shows the format for Function 05. In this format: RR= The frame number where the failing unit is installed; U = the SPCN port to which the failing unit is connected; rrr= Unit reference code (URC)." /><br /><p><strong>Function 07</strong></p>
<p>Function
07 is only used during service by authorized IBM<sup>®</sup> service representatives.</p>
<p><strong>Function
08-Fast Power Off</strong></p>
<p>Function 08 is enabled only when the key mode
is in manual mode and the system power is on.</p>
<p>Use this function when
the system is suspended and you cannot perform a power down.</p>
<p>The first
time that you select function 08 and press Enter, the system displays an attention
SRC, 11 A1xx 8008. This SRC indicates that you selected function 08. The second
time that you select function 08 and press Enter, you confirm the request
to power off. To perform a fast power off, see <a href="../rzal2/rzal2stop.htm">Stop
the system</a> in the Basic system operations topic.</p>
<div class="attention"><span class="attentiontitle">Attention:</span> No
system shutdown is performed before the IPL. The use of this function can
cause loss of data.</div>
<div class="attention"><span class="attentiontitle">Attention:</span> If the system password was
changed at the most recent IPL, performing a fast power off might cause that
new password information to be lost.</div>
<p><strong>Functions 09 to 10-Reserved</strong></p>
<p>These
functions are reserved for future control panel operations.</p>
<p><strong>Functions
11 to 19 - System Reference Code (SRC)</strong></p>
<p>Functions 11 though 19, if
enabled, represent the words of the SRC.</p>
<p>You must record SRC information
for error reporting and contact your service provider.</p>
<p><strong>Function 20-System
Type, Model, Feature Code, Hardware Level, and IPL Path Description</strong></p>
<p>This
function displays the machine type, model, processor feature code, hardware
level, and IPL path description in the following format:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <p> <samp class="codeph">t m m m c c c c _ _ _ _ _ _ _ _</samp> </p>
<p> <samp class="codeph">h
h h h _ _ _ _ i i i i i i i i</samp> </p>
</td>
</tr>
</tbody>
</table>
</div>
<p>Values for <var class="varname">t</var> indicate the machine type:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">1</span> </td>
<td valign="top">9401</td>
</tr>
<tr><td valign="top"> <span class="uicontrol">2</span> </td>
<td valign="top">9402</td>
</tr>
<tr><td valign="top"> <span class="uicontrol">4</span> </td>
<td valign="top">9404</td>
</tr>
<tr><td valign="top"> <span class="uicontrol">6</span> </td>
<td valign="top">9406</td>
</tr>
</tbody>
</table>
</div>
<p>Values for <var class="varname">m</var> indicate the model:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">mmm</span> </td>
<td valign="top">Model number (for example, 820)</td>
</tr>
</tbody>
</table>
</div>
<p>Values for <var class="varname">c</var> indicate the system processor
feature code:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">cccc</span> </td>
<td valign="top">Processor feature code (for example, 23A4)</td>
</tr>
</tbody>
</table>
</div>
<p>Values for <var class="varname">hhhh</var> indicate the system processor
hardware level:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">hhhh</span> </td>
<td valign="top">Processor hardware level (for example, 1025)</td>
</tr>
</tbody>
</table>
</div>
<p>Values for <var class="varname">iiiiiiii</var> indicate the description
of the system power on or restart path:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><tbody><tr><td valign="top"> <span class="uicontrol">iiiiiiii</span> </td>
<td valign="top">The restart path description (for example, 00000001 indicates that
the system was powered on by using the white button on the control panel).</td>
</tr>
</tbody>
</table>
</div>
<p>You should record this information with the SRC.</p>
<p><strong>Function
21-Make DST Available</strong></p>
<p>This function makes DST available on the system
console display. The <var class="varname">Use Dedicated Service Tools (DST)</var> display
appears on the primary or alternative console.</p>
<p>To exit DST and return
to the operating system, select the <var class="varname">Resume operating system display</var> option
on the <var class="varname">Use Dedicated Service Tools (DST)</var> display.</p>
<p><strong>Function
22-Dump Main Storage</strong></p>
<p>This function dumps main storage and processor
data to the disk.</p>
<div class="note"><span class="notetitle">Note:</span> Before to pressing function 22, determine whether
function 34 is available ( <samp class="codeph">00</samp> shows in the panel after you
select function 34). If it is available, then the system is attempting to
run a main storage dump IPL. Using function 34 attempts to try the IPL again,
such that the original dump is not lost. If function 34 is not enabled, ( <samp class="codeph">&gt;FF</samp> shows
in the panel after you select function 34), go back and start function 22.</div>
<p>The
first time that you select function 22 and press Enter, the system displays
attention SRC 11 A1xx 3022. This indicates that you selected function 22.
To dump main storage and system processor data to the disk, you must select
function 22 again and press Enter.</p>
<p>Use this function only when a main
storage dump is necessary, for example, after a suspended (system hang) condition
or after an operating system failure.</p>
<div class="attention"><span class="attentiontitle">Attention:</span> No system
shutdown is performed before the main storage dump. The use of this function
can cause loss of data.</div>
<p><strong>Functions 25 and 26-Service Switches 1
and 2</strong></p>
<p>In function 25, the service representative switch 1 is set.
Function 25 is the first step necessary to set the service function range
(50 to 99).</p>
<p>In function 26, the service representative switch 2 is set.
Function 26 is the second step necessary to set the service function range
(50 to 99).</p>
<p><strong>Function 33-Reorder SPCN Addressing</strong></p>
<p>This function
puts the rack addresses in the correct order to show their position in the
system power control network (SPCN). Use it when you have added racks to or
removed them from the system.</p>
<p><strong>Function 34-Retry MSD IPL</strong></p>
<p>Function
34 is enabled only for main storage dump IPLs. You can use it when the system
is hung during the (MSD) IPL to try the IPL again without losing the original
dump information.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzatmcpfdc.htm" title="This information describes each control panel function, the uses and procedures for each function, and when you must use each function.">Instructions and descriptions for control panel functions</a></div>
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