Part I: General

1.1. What exactly are the AT&T UNIX PC, PC7300, and 3B1?

comp.sys.3b1 FAQ: . What exactly are the AT&T UNIX PC, PC7300, and 3B1?

1.2. What is the operating system? Its origins?

comp.sys.3b1 FAQ: . What is the operating system? Its origins?

1.3. What are the "OSU Archives"?

comp.sys.3b1 FAQ: . What are the

1.4. Who supports these machines? Are there any user groups?

comp.sys.3b1 FAQ: . Who supports these machines? Are there any user groups?

1.5. Where can I get my machine serviced or fixed?

comp.sys.3b1 FAQ: . Where can I get my machine serviced or fixed?

Part II: Software

2.1. How do I get my free Personal Calendar program?

comp.sys.3b1 FAQ: . How do I get my free Personal Calendar program?

2.2. What is "THE STORE!" and how can I access it?

comp.sys.3b1 FAQ: . What is

2.3. Is there any GNU software available?

comp.sys.3b1 FAQ: . Is there any GNU software available?

2.4. Is the X Window system available for the UNIX PC?

comp.sys.3b1 FAQ: . Is the X Window system available for the UNIX PC?

2.5. What's MGR?

comp.sys.3b1 FAQ: . What's MGR?

2.6. How can I get a full 360kB when I format a MS-DOS floppy on the UNIX PC?

comp.sys.3b1 FAQ: . How can I get a full 360kB when I format a MS-DOS floppy on the UNIX PC?

2.7. Are there any other utilities for fiddling with MS-DOS floppies?

comp.sys.3b1 FAQ: . Are there any other utilities for fiddling with MS-DOS floppies?

2.8. What commercial software was available for the UNIX PC?

comp.sys.3b1 FAQ: . What commercial software was available for the UNIX PC?

Part III: Software Development

3.1. Can I use the GNU C compiler in place of the hard-to-find development set?

comp.sys.3b1 FAQ: . Can I use the GNU C compiler in place of the hard-to-find development set?

3.2. What do I with old object-file archives?

comp.sys.3b1 FAQ: . What do I with old object-file archives?

Part IV: Administration

4.1. How do I restore from a backup when one of the floppies is bad?

comp.sys.3b1 FAQ: . How do I restore from a backup when one of the floppies is bad?

4.2. How can I make a floppy-disk-based UNIX for fsck'ing the hard drive?

comp.sys.3b1 FAQ: . How can I make a floppy-disk-based UNIX for fsck'ing the hard drive?

4.3. How can I get the machine to ask the device and program to boot from?

comp.sys.3b1 FAQ: . How can I get the machine to ask the device and program to boot from?

4.4. How do I get multiple login windows?

comp.sys.3b1 FAQ: . How do I get multiple login windows?

4.5. What the heck is a +IN suffix on a file?

comp.sys.3b1 FAQ: . What the heck is a +IN suffix on a file?

4.6. What do the HDERR (FDERR, or TPERR) messages in /usr/adm/unix.log mean?

comp.sys.3b1 FAQ: . What do the HDERR (FDERR, or TPERR) messages in /usr/adm/unix.log mean?

4.7. Why are the header files missing after an install of the Development Set?

comp.sys.3b1 FAQ: . Why are the header files missing after an install of the Development Set?

4.8. Why is the machine is booting over and over?

comp.sys.3b1 FAQ: . Why is the machine is booting over and over?

4.9. Is HoneyDanBer UUCP available to replace the stock uucp software?

comp.sys.3b1 FAQ: . Is HoneyDanBer UUCP available to replace the stock uucp software?

4.10. Why doesn't the On-Board Modem (OBM) work with some other modems?

comp.sys.3b1 FAQ: . Why doesn't the On-Board Modem (OBM) work with some other modems?

4.11. How do I get my on-board modem to be a dial-out-only modem?

comp.sys.3b1 FAQ: . How do I get my on-board modem to be a dial-out-only modem?

4.12. Does the on-board modem support 2400 bps?

comp.sys.3b1 FAQ: . Does the on-board modem support 2400 bps?

4.13. Why aren't the lpadmin, accept, and reject commands working right?

comp.sys.3b1 FAQ: . Why aren't the lpadmin, accept, and reject commands working right?

4.14. Why are all the jobs on the printer always followed by a formfeed?

comp.sys.3b1 FAQ: . Why are all the jobs on the printer always followed by a formfeed?

4.15. Why can't I send bitmapped images to the printer correctly?

comp.sys.3b1 FAQ: . Why can't I send bitmapped images to the printer correctly?

4.16. How do I configure a Hayes compatible external modem on the UNIX PC?

comp.sys.3b1 FAQ: . How do I configure a Hayes compatible external modem on the UNIX PC?

4.17. Any tips on building Cnews?

comp.sys.3b1 FAQ: . Any tips on building Cnews?

4.18. What are lipc and nipc, and how can I use nipc instead of lipc?

comp.sys.3b1 FAQ: . What are lipc and nipc, and how can I use nipc instead of lipc?

Part V: Upgrading

5.1. What third-party hardware is available?

comp.sys.3b1 FAQ: . What third-party hardware is available?

5.2. Can I put a 68881 math coprocessor in my machine?

comp.sys.3b1 FAQ: . Can I put a 68881 math coprocessor in my machine?

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?

comp.sys.3b1 FAQ: . 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?

comp.sys.3b1 FAQ: . 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" drive and the 5.25" drive on my machine somehow?

comp.sys.3b1 FAQ: . Can I hook up a 3.5

5.6. Can I put a larger hard disk drive in the UNIX PC?

comp.sys.3b1 FAQ: . Can I put a larger hard disk drive in the UNIX PC?

Part VI: Maintenance

6.1. How do I park the hard disk heads before moving the machine?

comp.sys.3b1 FAQ: . 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?

comp.sys.3b1 FAQ: . 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?

comp.sys.3b1 FAQ: . Why does my fan sometimes speed up and slow down? Should I replace it?

6.4. Why has my clock stopped?

comp.sys.3b1 FAQ: . Why has my clock stopped?

Part VII: Failures

7.10. How can the monitor fail?

comp.sys.3b1 FAQ: . How can the monitor fail?

7.1. What can I do when I turn on my UNIX PC and all I see is a "green screen"?

comp.sys.3b1 FAQ: . What can I do when I turn on my UNIX PC and all I see is a

7.2. What can I do when I turn on my UNIX PC and I have no video?

comp.sys.3b1 FAQ: . 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?

comp.sys.3b1 FAQ: . 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?

comp.sys.3b1 FAQ: . Why does rn fail with

7.5. Can I connect my Starlan board to an Ethernet?

comp.sys.3b1 FAQ: . Can I connect my Starlan board to an Ethernet?

7.6. Can I run SLIP (Serial Line Internet Protocol) on my UNIX PC?

comp.sys.3b1 FAQ: . Can I run SLIP (Serial Line Internet Protocol) on my UNIX PC?

7.7. What are the consequences of "fsck -s" (salvaging the freelist)?

comp.sys.3b1 FAQ: . What are the consequences of

7.8. What does the "-s" option to dismount do?

comp.sys.3b1 FAQ: . What does the

7.9. How do I identify what motherboard revision I have?

comp.sys.3b1 FAQ: . How do I identify what motherboard revision I have?

Part VIII: Mysteries

8.1. What are the LED's left side of the machine for?

comp.sys.3b1 FAQ: . What are the LED's left side of the machine for?

8.2. What's /etc/update? What does it do?

comp.sys.3b1 FAQ: . What's /etc/update? What does it do?

8.3. Why did the time display at the top of the screen go away?

comp.sys.3b1 FAQ: . 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?

comp.sys.3b1 FAQ: . 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?

comp.sys.3b1 FAQ: . What do I do when the machine hangs at the boot message?

8.6. How can the UNIX PC be made more secure?

comp.sys.3b1 FAQ: . How can the UNIX PC be made more secure?

8.7. How do I access the expert menus in the diagnostics?

comp.sys.3b1 FAQ: . How do I access the expert menus in the diagnostics?