Archive-name: 3b1-faq/part2
Version: $Id: 3b1-faq-part2,v 2.5 2000/09/05 19:17:48 jbunch

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| Answers to some frequently asked questions about the AT&T UNIX PC, |
|     as well as some frequent problems, hints, and solutions.	     |
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| Make a Hard Copy on the FAQ *NOW*, it probably wont be readable if |
|           it is on your machine when you *NEED* it.                |
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[$Revision: 2.5 $ $Date: 00/09/05 19:17:48 $]
Send updates to 3b1-faq@nyx.cs.du.edu.

		Part 2 of 2

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Section Contents

• News Headers
• 0.2. Table of Contents for part 2 of the faq.
• 5.0. Upgrading continued.
• 5.3. Can I really get 4MB of memory, even with a 1.5MB combo card, 512K RAM card, and 2MB of RAM on the motherboard?
• 5.4. What dynamic memory chips can be used to upgrade a 3b1/7300?
• 5.5. Can I hook up a 3.5" 720K floppy drive to my UNIX PC? How about a 1.2MB or 1.44MB floppy drive? Can I run both the 3.5"
• 5.6. Can I put a larger hard disk drive in the UNIX PC?
• 6.0. Maintenance
• 6.1. How do I park the hard disk heads before moving the machine?
• 6.2. How do I open the case and get to the motherboard?
• 6.3. Why does my fan sometimes speed up and slow down? Should I replace it?
• 6.4. Why has my clock stopped?
• 7.0. Failures
• 7.1. What can I do when I turn on my UNIX PC and all I see is a "green screen"?
• 7.2. What can I do when I turn on my UNIX PC and I have no video?
• 7.3. What can I do when I get lots of FDERRs when writing/formatting a floppy?
• 7.4. Why does rn fail with "Can't open /dev/tty" from the built-in modem?
• 7.5. Can I connect my Starlan board to an Ethernet?
• 7.6. Can I run SLIP (Serial Line Internet Protocol) on my UNIX PC?
• 7.7. What are the consequences of "fsck -s" (salvaging the freelist)?
• 7.8. What does the "-s" option to dismount do?
• 7.9. How do I identify what motherboard revision I have?
• 7.10. How can the monitor fail?
• 8.0. Mysteries
• 8.1. What are the LED's left side of the machine for?
• 8.2. What's /etc/update? What does it do?
• 8.3. Why did the time display at the top of the screen go away?
• 8.4. How do I stop that darn double-ESC mode on console windows?
• 8.5. What do I do when the machine hangs at the boot message?
• 8.6. How can the UNIX PC be made more secure?
• 8.7. How do I access the expert menus in the diagnostics?
• 9.0. Credits

Some parts © 2009 Advameg, Inc.