On the 68 Pin
- 68 pin ribbon cable, 3 connectors, first to the SCSI Host Adatper, second connector open, third connector connected to a Seagate SCSI drive
On the 50 pin ....
- 50 pin ribbon cable, 3 connectors, first to the SCSI Host adapter, second connector open, last connector to a Tandberg TDC 4120 tape drive
When booting, I to the SCSI utilities on the controller. I run the SCSI disk utilities.
During the boot, I can hear the tape drive and disk drive power up, and respond to initialization commands.
When I run the SCSI disk utilities, every device probe will FAIL with a "unexpected timeout error".
Diagnostic Things tried.
- I remove the Tandberg tape drive. The Seagate disk now responds to the inquiry command, the SCSI disk utilities work, and the machine will recognize the disk and work "normally".
- I re-attach the tape drive, and remove the disk drive. I have the same timeout error as described above using SCSI disk utilities. If I just let the machine try to start (don't ), the adapter reports a 'SCSI Inquiry Command Timeout Error' on boot.
Suggestions? I think it is either a termination problem, or the drive is bad. Do I need to change the host adapter termination settings from Automatic to "low/low", "High/Low", "Low/High", or something else?
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for it first of all check both side connectors of data cable of hard disk. because sometime loose connection may produce such problem. Now also check the power connector of hard disk. if problem does not solved, then at last check the BIOS setting and confirm in ADVANCE OPTIONS that, is your hard drive is detected by BIOS or not.
Please reconnect your ethernet cable . Right click on the LAN connection icon and click on repair.. It will get clear otherwise,go to windows. then to Run . in run window type "cmd" you will get a window named command prompt. In command prompt , type ipconfig. Now you will get ip address of your system. Then type ipconfig/release to release your ip and after some time type ipconfig/renew .in command prompt...So you will be getting new ip and it will be faster.
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sure you have run the Network Setup Wizard on each of your computers,
even if you have configured it manually. Your file and printer sharing
are disabled until you run the wizard at least once.
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the problem is that some of your computers appear in My Network Places
or View Work group Computers, while others do not, wait about 20 minutes
or so and then check again. If all computers still do not appear, and
you have older versions of Windows running, like Windows 9x or Me on
your network, restart the Windows XP computers, wait for about 3 to 4
minutes then start up your older computers. Wait for a few minutes then
check again. If that does not work try booting your computers in
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On each of your computers, click Start, My Computer,
select My Network Places, and then select View Network Connections Look
for the Local Area Network Icon. See if the Icon says "disconnected".
If the answer is yes then you have a problem with your cables or your
network adapter. Repair before proceeding.
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look to see if any of your Local Area Connection Icons say "Firewalled"
next to them. If you find this problem then Your Windows Connection
Firewall might be blocking printer and file sharing on that computer.
Go to your Firewall Protection and make the needed changes.
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thing to try is to go to start and right click on My Computer and
choose Properties. View the computer Name tab. Each of your computers
should have a different name and the same work group name on it. If they
do not have different names then you will have to change them. Restart
your computers you adjusted and see if this made a difference.
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can also try something else by going to each computer and click Start,
All Programs, Accessories and then Command Prompt. In the Command
Prompt window, type ipconfig and then press Enter. Under the Local Area
Command Prompt entry, Windows should show you a different address for
each of your computers. If any of your computers have the same address
or if the addresses are not similar, then you will need to repair this
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the same Prompt Window as above and from only one computer, use the
ping command to see if that computer can communicate with each of your
other computers. To do this, type x.x.x.x in the Command Prompt Window.
You are substituting the actual I.P address of your other computers for
x.x.x.x in turn. You should be seeing several Reply from lines each
time you do this. If any computer does not respond, then you have a
cable or hardware problem. Repair this first then proceed with further
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Make sure that all of your computers have the same network protocols.
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you still are having trouble with your Windows Network you may have to
call in a professional or a computer experienced friend to help you.
Please boot your computer with the Vista DVD and choose repair before pressing the install button.
This will take you to the windows Recovery Environment. Choose command prompt.
In the command prompt please use the following procedure to get the password disabled Type the following command and hit enter after every line
copy magnify.exe magnify.old
copy command.exe magnify.exe
Restart your computer (without the DVD) and when you are at the login screen click on the ease of access button and then click on magnify button, instead of openning the magnifier application.
in this command prompt please type the following command and hit enter at the end of the line.
net user *
Note: Replace with your actual username also remove the symbols also.
type exit and then click on the username in your login screen, you should be able to access your computer.
Found this on 3Com website:
The SuperStack 3 Switch 3870 family (3870-24 and 3870-48) can stack up to 8 units high. Stacks can be formed with any combination of 24-port and 48-port units, with a maximum of 384 (8 x 48) front panel ports supported. When connected together, a stack of units is managed as a single entity. All units in the stack need to run the same release of the operational version code (firmware).
When units are stacked together, they operate in a master-slave relationship. One unit acts as a Master and the other units act as slaves. When looking at a stack of units, the master can be identified by looking at the Stack Master LED on the left side of the switch. The Stack Master LED is green for the Master.
If the unit numbers are out of sync, go to the CLI command that allows users to re-number their units- system / control / renumber. This will re-number the units in the stack. It will take about a minute or two.
The master is the only unit that has a visible command line interface (CLI) when a console cable is connected to it. If you connect the console cable to a slave unit, you will not see the CLI menu, but instead see slave status messages being displayed. The Master unit may not be unit 1.