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About the Network Server Diagnostic Utility

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Contents

Ą Introduction
Ą Creating or copying the Network Server Diagnostic Utility disk
Ą Verifying the Network Server Hardware Configuration
Ą Starting Up the Network Server Diagnostic Utility
Ą Changing Default Test Preferences
Ą Running All Diagnostic Utility Tests
Ą Displaying Hardware Configuration Information
Ą Displaying Power-On Self Test (POST) Results
Ą Testing on board Memory
Ą Testing the LCD
Ą Testing the SCSI Controllers
Ą Testing the PCI Bridges, VGA Controller & RAM, NVRAM,
   Serial ports, and Serial Ports with loopback connected
Ą Displaying the Error Summary Report
Ą Exiting the Diagnostic Utility and Restarting the Network Server

Introduction

The Network Server Diagnostic Utility allows you to verify basic capabilities 
of the Network Server 500 and Network Server 700. You can use this 
diagnostic utility when you are unable to load and run your operating 
system. You may want to print this document and keep it with your other 
manuals for future reference.

Both Network Server ships from the factory without an operating system or 
other software. Before or after installing the AIX¨ operating system, you can 
use the Network Server Diagnostic Utility to confirm the hardware 
configuration and to run basic tests. This document describes how to use the 
diagnostic utility. 

The Network Server Diagnostic Utility comes on a floppy disk. To keep this 
disk readily available, you may want to store it in the plastic envelope that is 
secured to the side of the server cabinet. 

For the latest version of the Network Server Diagnostic Utility software and 
documentation, click the Network Server button at the World Wide Web site 
http:/www.solutions.apple.com. 

Creating or Copying the Network Server Diagnostic Utility Disk

If you create a backup copy of the diagnostic utility, either by copying from 
another disk or by downloading it from the network, use a high-density, 1.4 
MB floppy disk formatted on a Mac OS computer. Copy the updated software 
to the disk and give the program file this name:

    diags

Verifying the Network Server Hardware Configuration

If you have just unpacked your Network Server and have set it up, you can  
run the Network Service Diagnostic Utility to establish that the basic 
hardware is functional. Check the server's front display panel (LCD) for 
information on server startup and to determine whether the server's Power-
On Self Test (POST) identified a problem. You may also determine certain 
basic information about the configuration of your Network Server by 
reviewing the front panel display status before the operating system starts 
up.  

To verify that SCSI devices have been properly attached, use the commands 
scsi-probe1 and scsi-probe2 described in the manual Setting Up the Network Server.

Starting Up the Network Server Diagnostic Utility

Before using the diagnostic utility, you need to set up server hardware 
according to the instructions in the manual Setting Up the Network Server. 
Your Network Server comes already setup to use the VGA monitor and ADB 
keyboard. If you want to run diagnostics using a serial terminal, see the 
instructions in Setting Up the Network Server. 

There are two options for starting up the diagnostic utility. The preferred 
option is to place the server in service mode. The other option, which you can 
use if the boot path names stored in NVRAM are corrupted, is to boot from 
Open Firmware .

To boot the Network Server Diagnostic Utility from service mode:

1. If AIX is running, enter this command:

    shutdown -r

2.  After the system completely shuts down, turn the front key to the left 
(service) position.

3.  Insert the Network Server Diagnostic Utility disk and press the reset 
button. 

The Network Server Utility starts up, displaying the hardware configuration 
and the Level One menu and prompt.

To boot the Network Server Diagnostic Utility from Open Firmware:

1. If AIX is running, enter this command:

    shutdown -r

2. While the system is resetting, or powering on, hold down these keys:

  Command-Option-O-F

Continue holding down these keys until the 0> prompt appears. If AIX is 
installed on your system and has run before, a Security> prompt appears. 

3. Enter this command: 

    login

The system displays ok followed by the 0> prompt. 

4.  If AIX is installed, the OF Password> prompt appears. Enter the AIX root 
password.

5. Insert the Network Server Diagnostic Utility disk. 

6. Enter this command to boot the diagnostic utility:

    boot fd:diags

The Network Server Utility starts up, then displays the server hardware 
configuration:

Installed Hardware Configuration for Network Server 500/700 Version 1.1 8/28/96 
 > Power-on Self Test	= 00001000
 > 604 Processor			  	= 176 Mhz
  > L1 Cache  			  			= 32K.  
 > L2 Cache SIMM 			  = 512K. 		
 > Memory installed		 = 32Mbytes
 > Slot 1A				        = 8Mbytes
 > Slot 1B				        = 8Mbytes
 > Slot 2A				        = 8Mbytes
 > Slot 2B				        = 8Mbytes
 > Slot 3A				        = 0
 > Slot 3B				        = 0
 > Slot 4A				        = 0
 > Slot 4B				        = 0
 > Drive Fan 			      = On
 > Processor Fan 			  = On
 > Left Power Supply  = On
 > Right Power Supply = None
 > Thermal Sensor 1 		= Safe Threshold
 > Thermal Sensor 2 		= Safe Threshold
 > Installed PCI Slots= 1
 > Empty PCI Slots    = 2 3 4 5 6

After the hardware configuration information, this menu appears:

1.  Show Hardware Configuration.
2.  Show the Power-On Self Test results.
3.  Run complete system test [ 1 ] times.
4.  Show Error Summary.
5.  Restart the Network Server.
6.  Change preferences.
7.  Other options.
?   Help on Level One Menu.

Level One>

To run a Level One command, type the number that appears next to the 
command you want, then press RETURN. If the command includes a number 
in brackets, such as "Run complete system test [1] times," the bracketed 
number indicates the default. You can enter a different value by typing a 
different number after the command. For example, this runs the complete 
system test five times:

Level One>3 5

To display additional information about the commands, enter a ?.

Changing Default Test Preferences

These are the default Diagnostic Utility test preferences: 

Ą Run the selected test one time
Ą Stop testing when a failure is found
Ą Record each failure occurrence

To change these preferences, enter 6 at the Level 1> prompt. The Preferences 
Menu appears, enabling you to adjust the defaults:

Current preferences are:
   Test will repeat: 1
   Stop tests when a failure is found.
   Record each failure occurrence.

 Preferences Menu.

0.  Return to Level One menuÉ
*.  Return to top level menuÉ
1.  Continue testing when a failure is found.
2.  Stop testing when a failure is found.
3   Repeat the last operation that failed.
4.  Repeat the last test that failed.
5.  Record each failure occurrence.
6.  Do not record each failure occurrence.
7.  Clear errors from the error log.
8.  Change times to run each test. Please enter a number.
9.  Set default preferences.
10. Show current preferences.
?   Help with this menu.

 Preferences>

If you want to change the number of times each test runs, enter 8, followed 
by the number of test repetitions. For example, to automatically run each 
test three times:

 Preferences>8 3

Running All Diagnostic Utility Tests

To run all available tests, enter 3 at the Level One> prompt, followed by a 
number indicating how many times you want to run the test suite. For 
example, to run all tests twice:

Level One>3 2

Displaying Hardware Configuration Information

Server hardware configuration information displays at the time the 
Diagnostic Utility starts up. You can display configuration information any 
time by entering 1 at the Level One> prompt.

Displaying Power-On Self Test (POST) Results

Power-On Self Test (POST) software is stored in ROM (which is contained on a 
SIMM) and executes a number of tests every time the Network Server is 
started up. When the POST software detects a problem, the problem 
description is encoded and stored into a special memory location in non-
volatile RAM (NVRAM) where it is available for reference by Open Firmware, 
the Network Server Diagnostic Utility, and the operating system. The POST 
software also displays a description of the problem found on the front panel 
liquid crystal display (LCD). However, because a number of messages are 
displayed in sequence on the LCD, you may not be able to observe the error 
message unless the server halts. 

To display Power-On Self Test results reported by ROM, enter 2 at the Level 
One> prompt. These are the possible results:

POST Results				Interpretation						              	   LCD Shows

 0x80000000		   Reserved					
 
 0x40000000		   DIMM Slot 1A Memory Test Failure	     RAM DIMM 1A Failed
									                                             at Address xxxxxxxx
 0x20000000		   DIMM Slot 1B Memory Test Failure	     RAM DIMM 1B Failed
									                                             at Address xxxxxxxx
 0x10000000		   DIMM Slot 2A Memory Test Failure	     RAM DIMM 2A Failed
								                                              at Address xxxxxxxx
 0x08000000		   DIMM Slot 2B Memory Test Failure	     RAM DIMM 2B Failed
									                                             at Address xxxxxxxx
 0x04000000	   	DIMM Slot 3A Memory Test Failure      RAM DIMM 3A Failed
									                                             at Address xxxxxxxx
 0x02000000		   DIMM Slot 3B Memory Test Failure	     RAM DIMM 3B Failed
									                                             at Address xxxxxxxx
 0x01000000	   	DIMM Slot 4A Memory Test Failure	     RAM DIMM 4A Failed
									                                             at Address xxxxxxxx
 0x00800000		   DIMM Slot 4B Memory Test Failure	     RAM DIMM 4B Failed
									                                             at Address xxxxxxxx
 0x00400000		   Reserved
 0x00200000		   Reserved
 0x00100000	   	Reserved

 0x00080000		   Non-Quad CAS DRAM 			                 RAM DIMM 4B Failed
			             ECC Memory?) Found		             	    at Address ECCBEBAD 	
 0x00040000		   POST Skipped due to over temperature	 Temperature Too Hot! or
									                                             Temperature Warning!
 0x00020000		   POST Skipped because user pressed 	   No Message
			             reset button twice on server restart	
 0x00010000		   All memory (RAM) has parity		         xxxx MB Parity RAM
 0x00008000		   Failed Slave Processor		             	Processor Card Failed
 0x00004000		   Failed Master Processor	            		Processor Card Failed
 0x00002000		   Failed Processor cache test         		Processor Card Failed
 0x00001000		   Failed Main Logic Board Cuda		        CudaNotResponding!!!
		             	not responding
 0x00000800		   Failed Main Logic Board VGA		         MainLBU Video ID Bad	
		
		             	PCI Register Test
 0x00000400		   Failed Main Logic Board F/W SCSI 1	   MainLBU 825#1 Failed
			             (825#1) PCI Register Test 
 0x00000200		   Failed Main Logic Board F/W SCSI 2	   MainLBU 825#2 Failed
			             (825#2) PCI Register Test
 0x00000100		   Failed Address Line Test			           See DIMM messages
 0x00000080	   	Failed Main Logic Board NVRAM Test   	MainLBU NVRAM Failed
 0x00000040	   	Failed L2 Cache SIMM Test		           L2 Cache SIMM Failed
 0x00000020		   Failed Data Line Stuck at 0		         See DIMM messages
 0x00000010		   Failed Data Line Stuck at 1		         See DIMM messages
 0x00000008		   Failed ROM SIMM Checksum		            ROM SIMM FAILED! 
 0x00000004		   Failed Simple Memory (RAM) Test	      See DIMM messages
 0x00000002		   Failed Reverse Modulo 3 Test		        See DIMM messages
 0x00000001	   	Failed Forward Modulo 3 Test		        See DIMM messages


Testing On board Memory

To test on board memory, select Other options by entering 7 at the 
 Level One> prompt, then enter 2 at the Other Options> prompt. 
While the tests are running, these progress messages and instructions
appear on the monitor: 

Performing full memory test....
Walking pattern forward
Passed!
Walking pattern backward
Passed!
Complete Memory Test completed successfully.  Passes!


Testing the LCD

To test the LCD thatŐs on the front of the server, select Other options by 
entering 7 at the Level One> prompt, then enter 1 at the Other Options> 
prompt. After you enter the command, watch the LCD to determine whether 
itŐs properly displaying characters on each line. While the tests are running, 
these progress messages and instructions appear on the monitor: 

Now testing LCD....
Please observe that the LCD shows on...

Now preforming LCD Blink Test
line 1: Blink On
Passed!
line 1: Cursor On
Passed!
Now preforming LCD Four Line Test
line 1: Three Line Test12345
line 2: Second Line012345678
line 3: Third  Line012345678
line 4: Fourth Line012345678
Passed!
Now preforming LCD One Line Shift to the Right Test
line 1: Shift Right>>>
Passed!
Now preforming LCD One Line Shift to the Left Test
line 1: <<<Shift Left:
Passed!
Now preforming LCD Write Forward Test
line 1: Writing forwards....
Passed!
Now preforming LCD Write Backward Test
line 1: Writing Backwards...
Passed!
LCD Test completed.

Also, these text patterns appear in sequence on the LCD:

For LCD Blink Test:

Blink On

For LCD Cursor Test:

Cursor On

For Four Line Test:

Four Line Test123456
Second Line012345678
Third  Line012345678
Fourth Line012345678

For One Line Shift Right Test

Shift Right>>>

For One Line Shift Left Test:

<<<Shift Left:

For Write Forwards Test:

Writing forwards....

For Write Backwards Test:

Writing Backwards...


Testing the SCSI Controllers

To test the Fast and Wide SCSI controllers, select Other options by entering 7 
at the Level One> prompt, then enter 3 at the Other Options> prompt. These 
options appear: 

Apple Network Server Diagnostic Utility  Version: 1.1 8/28/96

SCSI Unit Menu.

0. Return to Other Options Menu.
*  Return to top level menu.
1. Test Fast/Wide SCSI controller 1.
2. Test Fast/Wide SCSI controller 2.
? Help with Attached Replaceable Unit Menu.

SCSI FRU>

At the SCSI FRU> prompt, enter either 1 or 2 to test the SCSI controller 
of your choice. 


Testing the PCI Bridges, VGA Controller & VRAM, NVRAM,  Serial
   ports, and Serial Ports with loopback connector attached.

To test subcomponents, select Other options by entering 7 at the Level One> 
prompt, then enter 4 at the Other Options> prompt. These options appear: 

Apple Network Server Diagnostic Utility   Version: 1.1 8/28/96

Subcomponent Area Menu.

0.  Return to Other Options menu.
*.  Return to top level menu.
1.  Test PCI Bridges.
2.  Test VGA Controller and RAM.
3.  Test NVRAM.
4.  Test Serial ports.
5.  Test Serial ports with loopback connector attached.
?   Help with this menu.

Subcomponent Area>

At the Subcomponent Area> prompt, enter either 1, 2, 3, 4, or 5 to test the 
subcomponent area of your choice. 

Displaying the Error Summary Report

The Network Server Diagnostic Utility maintains an internal log of errors. 
Changing preferences affects how the log entries are updated. For example, if 
the preference option Record each failure occurrence is active, every error 
detected by the Network Server Diagnostic Utility is recorded in the internal 
log. If the preference option Do not record each failure occurrence is active, 
the error log contains only entries made before error logging was disabled.

Note that the Network Server Diagnostic Utility maintains a error log only 
while the utility is running. Exiting the diagnostic utility and restarting the 
Network Server erases the error log.

To display the error log, enter 4 a the Level One> prompt. Here are examples 
of the errors that might appear:  

   Component:         Description:					

  Bridge ............Bandit 1 not found!       Errors: 10     

  Bridge ............Bandit 2 not found!       Errors: 1     

  Bridge ............Grand Central not found.  Errors: 1     

  Bridge ............F&W SCSI 1 not found.     Errors: 1

  Bridge ............F&W SCSI 2 not found.     Errors: 1
  
  Complete Memory....Received bad 5 data.      Errors: 4
  Slot 1A, Address: 00BC6144  Act: 555A5555  Exp: 55555555
		
  Complete Memory....Received bad A data.      Errors: 18
  Slot 2A, Address: 01BC6148  Act: AAAA5AAA  Exp: AAAAAAAA
		
  Complete Memory.... Data Miscompare.         Errors: 1

  F&W SCSI 1.........Wrong device.             Errors: 5

  F&W SCSI 1.........FIFO not full.            Errors: 1

  F&W SCSI 1.........Data miscompare.          Errors: 3
  Address: 00000002  Act: 00000010  Exp: 00000030

  F&W SCSI 1.........Output Control Latch.     Errors: 40
  Address: 00000009  Act:000090  Exp: 00000080

  F&W SCSI 1.........F/W SCSI not found.       Errors: 3

  F&W SCSI 1.........Not Working.              Errors: 95
  
  F&W SCSI 2.........Wrong device.             Errors: 3
 
  F&W SCSI 2.........FIFO not full.            Errors: 1

  F&W SCSI 2.........Data miscompare.          Errors: 8
  Address: 00000002  Act: 00000010  Exp: 00000030

  F&W SCSI 2.........Output Control Latch.     Errors: 1
  Address: 00000009  Act: 000090  Exp: 00000080

  F&W SCSI 2.........F/W SCSI not found.       Errors: 12

  F&W SCSI 2.........Not Working.              Errors: 95

  Non Volatile RAM...Unexpected Value.         Errors: 1

  Non Volatile RAM...Corrupted NVR data.       Errors: 1

  Serial.............A: Timed Out.             Errors: 3
	
  Serial.............B: Timed Out.             Errors: 5

  Serial.............A->A PIO Data Miscompare. Errors: 1
	
  Serial.............B->B PIO Data Miscompare. Errors: 2

  Serial.............A->A DMA Data Miscompare. Errors: 7

  Serial.............B->B DMA Data Miscompare. Errors: 4

  Serial.............A: Expected Tx Interrupt. Errors: 3

  Serial.............B: Expected Tx Interrupt. Errors: 9

  Serial.............A: Expected Rx Interrupt. Errors: 2

  Serial.............B: Expected Rx Interrupt. Errors: 1

  Serial.............A->A SDLC DMA Miscompare. Errors: 1

  Serial.............B->B SDLC DMA Miscompare. Errors: 3

  Serial Loop Back...A->B PIO Data Miscompare. Errors: 4

  Serial Loop Back...B->A PIO Data Miscompare. Errors: 8

  Serial Loop Back...A->B DMA Data Miscompare. Errors: 1

  Serial Loop Back...B->A DMA Data Miscompare. Errors: 2

  VGA ...............VGA was not found.        Errors: 17

  VGA ...............Video RAM not responding. Errors: 1

  VGA ...............Video RAM Error.          Errors: 12
  Address: F8008010  Act: 000000AA  Exp: 0000005A

  VGA ...............Red data incorrect.       Errors: 3

  VGA ...............Green data incorrect.     Errors: 1

  VGA ...............Blue data  incorrect.     Errors: 2

  VGA ...............CLUT is invalid.          Errors: 1

Exiting the Diagnostic Utility and Restarting the Network Server

Once you have finished running diagnostics, reboot the server by entering 5 
at the Level 1> prompt. The server ejects the diagnostic utility disk, and 
reboots the AIX operating system. 

If you want to run Open Firmware, hold down these keys while the server is 
restarting:

Command-Option-O-F 

©  1996 Apple Computer, Inc. All rights reserved. Apple and the Apple logo 
are trademarks of Apple Computer, Inc., registered in the United States and 
other countries. Mac is a are trademark of Apple Computer, Inc.

AIX is a trademark of IBM Corporation, registered in the United States and 
other countries, and is being used under license

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