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1995-06-26
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TITLE: PNW Hardware Troubleshooting Guide
DOCUMENT ID: TID1200860
DOCUMENT REVISION: 0
DATE: 16JUN95
ALERT STATUS: Yellow
README FOR: NA
NOVELL PRODUCT and VERSION:
PERSONAL NETWARE V1.0
ABSTRACT:
NA
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DISCLAIMER: THE ORIGIN OF THIS INFORMATION MAY BE INTERNAL OR
EXTERNAL TO NOVELL. NOVELL MAKES EVERY EFFORT WITHIN ITS MEAN TO
VERIFY THIS INFORMATION. HOWEVER, THE INFORMATION PROVIDED IN THIS
DOCUMENT IS FOR YOUR INFORMATION ONLY. NOVELL MAKES NO EXPLICIT OR
IMPLIED CLAIMS TO THE VALIDITY OF THIS INFORMATION.
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ISSUE:
PNW HARDWARE TROUBLE SHOOTING GUIDE
Quite often, apparent problems with Personal NetWare can be traced to
the network hardware or the drivers that have been installed. This
document describes how to detect some of these problems.
The following is an explanation on how to determine whether your
network connections are solid. If you are already familiar with this
procedure, skip to the next section.
TESTING SERVER AND CLIENT CONNECTIONS
The Personal NetWare diagnostic utility can be used to test
connections between two specific computers or test the connections
between all computers on the network.
To test connections, the user must be logged into the network and
network diagnostics enabled. By default, network diagnostics are
enabled when you install Personal NetWare. The command VLM=NMR.VLM
is added to the NET.CFG. If the network diagnostics is not enabled,
refer to page 10-2 in the Personal NetWare User Guide.
At the system prompt type PNWDIAGS <enter> or NET DIAGS <enter>.
From the main menu select Test Connections. The Test Connections
menu appears listing the following available tests:
Point to Point.
All Points
NOTE: Again, all users must be logged in and the network diagnostics
enabled. If one or more of the workstations on your network does not
show up in the node listing, you have a bad connection somewhere.
Follow the steps outlined in Connection Trouble Shooting section to
identify and correct the connection problem.
Point to Point test:
This is used to test communication between two specific computers on
the network by sending 10,000 512-byte packets from one node to
another. When the test is completed the number of received packets
will be displayed. If 10,000 packets are not received there may be a
possible communication problem somewhere. Follow the steps outlined
in the Connection Trouble Shooting section to identify and correct
the communication / connection problem.
All points test:
This is used to test communication between all computers on the
network by sending 54 512-byte packets to and from each node. When
the test is completed the numbers of received and sent packets by
each node will be displayed. If each node has not sent and received
100% of the test packets there may be a possible communication
problem somewhere. Follow the steps outlined in Connection Trouble
Shooting Section to identify and correct the communication /
connection problem.
COMCHECK:
COMCHECK is a diagnostic utility used to troubleshoot possible
hardware or NIC card driver problems. This simple utility can be run
on each machine and will send bits of information back and forth
between the machines, exercising the hardware and seeing if the
hardware itself is communicating. This utility is available as
COMCHK.EXE on the Desktop BBS (801-221-5197), CompuServe NOVLIB 10,
WEB Site WWW.NOVELL.COM, and FTP server FTP.NOVELL.COM
pub\netwire\novlib\10).
CONNECTION TROUBLE SHOOTING
The first step is to determine which of the various programs is
causing the connection problem. Reboot the machine without loading
the network. Type out or print the STARTNET.BAT file to find out what
your board driver's name is and replace the NE2000 driver in the
example below with your board's driver. Then load the drivers in the
following order to determine if each driver loads or if it gives an
error message. (Do not forget to replace the NE2000 driver with your
board driver.)
LSL
NE2000
IPXODI A
SHARE
SERVER
CLIENT
2. If any beeps occur when running these programs, you know you
have a problem. If any error message occurs, write down the exact
message.
3. If you are using a DOS ODI driver, contact the board
manufacturer to verify that it is up-to-date.
4. Next, type out the NET.CFG file that is located in the \NWCLIENT
directory to ensure that the interrupt line (IRQ), PORT (I/O), and
MEM (Memory Address) entries are the same as the ones that are
physically selected on the network board. If they are not, change the
settings on your board or the entries in the NET.CFG so that they
match.
5. To edit the NET.CFG file, do the following:
From the \NWCLIENT directory, use an ASCII editor (Novell DOS 7.0's
EDIT for example) to bring up the NET.CFG file. If the file does not
exist, then create one according to the following instructions.
This example is based on interrupt line 5 and BASE I/O Address 340
settings:
LINK DRIVER NE2000
INT 5
PORT 300
MEM D0000 (NOTE: NE2000 does not use this line.)
Notes:
(a) INT, MEM, and PORT need to be exactly one TAB away from the left
margin.
(b) Not all boards use shared memory, so your NET.CFG may not
contain a MEM setting.
6. Try changing interrupt line (IRQ), PORT (I/O), and/or MEM
(Memory Address) settings on the network board to ensure that there
are no other hardware conflicts. Then edit the NET.CFG file so that
Personal NetWare recognizes the new board settings. The Personal
NetWare README.TXT and document 1200452 from Novell's FaxBack
Service or TID1200452 from the NSE Pro or CompuServe contain more
information on resolving I/O and IRQ conflicts.
7. Strip down the AUTOEXEC.BAT and CONFIG.SYS files. Afterwards
your files should look similar to the following examples:
AUTOEXEC.BAT CONFIG.SYS
------------- ----------------
@ECHO OFF FILES=30
PROMPT $p$g BUFFERS=30
C:\DOS;C:\NWCLIENT LASTDRIVE=Z
8. If this solves the problem, add your original command lines back
into the AUTOEXEC.BAT and CONFIG.SYS files one at a time starting
with the CONFIG.SYS file, rebooting the machine, and running verify
connections between each one until you find the command line causing
the problem.
9. If your network board uses a Shared Memory Address (MEM), use a
memory manager (such as Novell DOS 6.0's EMM386.EXE) to exclude the
range of memory that the board uses. This will prevent another
program from using that memory address. (Please refer to document
1200851 from Novell's FaxBack Service or TID1200851 from the NSE Pro
or Compuserve for information about Novell DOS 7.0 and MS-DOS 6.xx
memory managers.)
10. Remove any possible conflicting boards (such as modem, mouse,
bus boards). Afterwards, your machine should only contain the network
board, a drive controller board, and a video board. If the problem
goes away, put the boards back in one at a time to see which board
was causing the problem.
11. Try putting the network board in a different slot on the
motherboard.
12. Check or change cables, T-connectors, and terminators. Remove
anything that might be causing interference on the network cable
(such as speakers or florescent lights). If you are using an ARCnet
topology, check for a bad hub or a bad port on the hub. If you are
using a Twisted-Pair topology, check for a bad concentrator or a bad
port on your concentrator.
13. Try slowing down the bus speed on your machines. The bus speed
should never be faster than 8 MHZ. Note: Realize that bus speed and
clock speed is not the same thing. Your bus speed can usually be
slowed down through the CMOS setup. In some instances, however, the
only way to slow down the bus speed is to slow down the clock speed
(if your machine has a turbo switch, turn the turbo off). Refer to
your user's manual for more details.
14. Try a different network board. The recommended network boards
are listed on the back of the NetWare Lite box and the approved ODI
driver for each recommended board is included on the NetWare Lite
Driver diskette.
15. Scan for viruses. You can obtain software to perform this scan
by calling the McAfee BBS at 408-988-4004 or dial 408-988-3832 for
voice. You may also contact your local dealer for virus protection
software.
16. Try using a different PC to reveal any possible conflicts
between your machine and the network board.
17. Run CHKDSK /F or a third-party disk utility on each hard drive
to recover any lost clusters and to fix any other problems.
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