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ARM (Acorn Risc Machine) FAQ



Frequently Asked Questions about ARM (Acorn Risc Machine)

This database comprises answers to the most Frequently Asked Questions on the popular Acorn Usenet newsgroup hierarchy, and is maintained by Paul Vigay.

Part I: Section 1 - Hardware and Operating Systems

-1.1) What is an Acorn machine?
acorn FAQ: ) What is an Acorn machine?
-1.2) What kind of Acorn/RISC OS machines are there?
acorn FAQ: ) What kind of Acorn/RISC OS machines are there?
-1.3) What versions of the ARM processor are there?
acorn FAQ: ) What versions of the ARM processor are there?
-1.4) What are the differences between RISC OS 2 and RISC OS 3?
acorn FAQ: ) What are the differences between RISC OS 2 and RISC OS 3?
-1.5) What are the differences between RISC OS 3.5 and RISC OS 3.6?
acorn FAQ: ) What are the differences between RISC OS 3.5 and RISC OS 3.6?
-1.6) What are the differences between RISC OS 3.6 and RISC OS 3.7?
acorn FAQ: ) What are the differences between RISC OS 3.6 and RISC OS 3.7?
-1.7) What is RISC OS 3.8/Ursula?
acorn FAQ: ) What is RISC OS 3.8/Ursula?
-1.8) What are the differences between RISC OS 3.7 and RISC OS 3.8/4?
acorn FAQ: ) What are the differences between RISC OS 3.7 and RISC OS 3.8/4?
-1.9) What are the differences between RISC OS 4 and RISC OS 5?
acorn FAQ: ) What are the differences between RISC OS 4 and RISC OS 5?
-1.10) What are the graphics capabilities of the Acorn machines?
acorn FAQ: ) What are the graphics capabilities of the Acorn machines?
-1.11) Is Virtual Memory possible under RISC OS?
acorn FAQ: ) Is Virtual Memory possible under RISC OS?
-1.12) What 'Easter Eggs' are present in RISC OS?
acorn FAQ: ) What 'Easter Eggs' are present in RISC OS?
-1.13) What is the current status of Linux for Acorn machines?
acorn FAQ: ) What is the current status of Linux for Acorn machines?
-1.14) What is the current status of NetBSD for Acorn machines?
acorn FAQ: ) What is the current status of NetBSD for Acorn machines?
-1.15) What is Lazy Task Swapping ?
acorn FAQ: ) What is Lazy Task Swapping ?

Part II: Section 2 - Upgrades and Expansion

-2.1) What are the memory limits of the various Acorn machines?
acorn FAQ: ) What are the memory limits of the various Acorn machines?
-2.2) What is a second processor and what second processors are there?
acorn FAQ: ) What is a second processor and what second processors are there?
-2.3) Can PC VGA & Multisync Monitors be added to an Acorn machine?
acorn FAQ: ) Can PC VGA & Multisync Monitors be added to an Acorn machine?
-2.4) Are there any Acorn cards for IBM PC or compatible machines?
acorn FAQ: ) Are there any Acorn cards for IBM PC or compatible machines?
-2.5) What is a VIDC enhancer? Will I need one for my new multisync monitor?
acorn FAQ: ) What is a VIDC enhancer? Will I need one for my new multisync monitor?
-2.6) What configuration of serial cable should I use for modem work?
acorn FAQ: ) What configuration of serial cable should I use for modem work?
-2.7) How can I get unfiltered sound from an Acorn machine?
acorn FAQ: ) How can I get unfiltered sound from an Acorn machine?
-2.8) Can I connect a SCART monitor to my Acorn machine?
acorn FAQ: ) Can I connect a SCART monitor to my Acorn machine?
-2.9) How do I make a Null modem cable?
acorn FAQ: ) How do I make a Null modem cable?
-2.10) What are StrongARM dipswitch settings?
acorn FAQ: ) What are StrongARM dipswitch settings?
-2.11) Are there any PIC programmers available for RISC OS?
acorn FAQ: ) Are there any PIC programmers available for RISC OS?

Part III: Section 3 - Configuration

-3.1) What is ADFSBuffers and what is the best setting for it?
acorn FAQ: ) What is ADFSBuffers and what is the best setting for it?
-3.2) How do I enable solid drags in RISC OS 3?
acorn FAQ: ) How do I enable solid drags in RISC OS 3?
-3.3) To what size should I partition my Hard Drive?
acorn FAQ: ) To what size should I partition my Hard Drive?

Part IV: Section 4 - Hardware Problems

-4.1) What do the hard drive error numbers mean?
acorn FAQ: ) What do the hard drive error numbers mean?
-4.2) What can I do with a 'Broken Directory' or a corrupt Free Space Map?
acorn FAQ: ) What can I do with a 'Broken Directory' or a corrupt Free Space Map?
-4.3) What does the power on self-test check?
acorn FAQ: ) What does the power on self-test check?
-4.4) My Real Time Clock has paused, how do I restart it?
acorn FAQ: ) My Real Time Clock has paused, how do I restart it?
-4.5) Why doesn't Speaker work on my machine?
acorn FAQ: ) Why doesn't Speaker work on my machine?
-4.6) What can I do about my fan making excessive noise starting up?
acorn FAQ: ) What can I do about my fan making excessive noise starting up?
-4.7) After fitting the RISC OS 4 upgrade my CD Rom reports 'Drive Empty'.
acorn FAQ: ) After fitting the RISC OS 4 upgrade my CD Rom reports 'Drive Empty'.
-4.8) Occasionally a fairly early model Risc PC will completely hang for no apparent reason, usually when filer windows are redrawn.
acorn FAQ: ) Occasionally a fairly early model Risc PC will completely hang for no apparent reason, usually when filer windows are redrawn.

Part V: Section 5 - Software Issues

-5.1) Why does DOSFS corrupt my files occasionally?
acorn FAQ: ) Why does DOSFS corrupt my files occasionally?
-5.2) Where can I obtain the latest version of module X?
acorn FAQ: ) Where can I obtain the latest version of module X?
-5.3) What are the current File-type allocation ranges?
acorn FAQ: ) What are the current File-type allocation ranges?
-5.4) Is there a Modula 2 compiler for the Arc?
acorn FAQ: ) Is there a Modula 2 compiler for the Arc?
-5.5) What Public Domain Languages are available for Acorn machines?
acorn FAQ: ) What Public Domain Languages are available for Acorn machines?
-5.6) Why does the RO3.5 desktop sometimes revert to the system font?
acorn FAQ: ) Why does the RO3.5 desktop sometimes revert to the system font?
-5.7) Why does ChangeFSI display a blank white window, not an image?
acorn FAQ: ) Why does ChangeFSI display a blank white window, not an image?
-5.8) What causes the 'nager:Sprites22' error?
acorn FAQ: ) What causes the 'nager:Sprites22' error?
-5.9) Is there a Real Audio or Real Video player for Acorns?
acorn FAQ: ) Is there a Real Audio or Real Video player for Acorns?
-5.10) Is there any 'streaming audio' player software available for RISC OS machines?
acorn FAQ: ) Is there any 'streaming audio' player software available for RISC OS machines?

Part VI: Section 6 - Viruses

-6.1) How can I protect against viruses?
acorn FAQ: ) How can I protect against viruses?
-6.2) Where can I obtain a virus killer?
acorn FAQ: ) Where can I obtain a virus killer?
-6.3) I have received some information about a virus from a reputable source, it apparently affects Windows, Mac and/or Linux systems, is it perhaps dangerous for RISC OS users too?
acorn FAQ: ) I have received some information about a virus from a reputable source, it apparently affects Windows, Mac and/or Linux systems, is it perhaps dangerous for RISC OS users too?

Part VII: Section 7 - Network Resources

-7.1) What archives/FTP sites are available?
acorn FAQ: ) What archives/FTP sites are available?
-7.2) What Acorn related companies are available on the net via email?
acorn FAQ: ) What Acorn related companies are available on the net via email?
-7.3) What are the submission addresses for comp.{binaries.sources}.acorn groups?
acorn FAQ: ) What are the submission addresses for comp.{binaries.sources}.acorn groups?
-7.4) How to retrieve the FAQ from the source...
acorn FAQ: ) How to retrieve the FAQ from the source...
-7.5) What WWW pages are out there for Acorn topics?
acorn FAQ: ) What WWW pages are out there for Acorn topics?
-7.6) What Acorn BBS's are there?The following is a list of Bulletin Boards run on Acorn Computers.
acorn FAQ: ) What Acorn BBS's are there?The following is a list of Bulletin Boards run on Acorn Computers.
-7.7) Where can I advertise second hand Acorn kit?
acorn FAQ: ) Where can I advertise second hand Acorn kit?
-7.8) Where can I find a user group local to me?
acorn FAQ: ) Where can I find a user group local to me?
-7.9) Is there a more detailed Network FAQ available?
acorn FAQ: ) Is there a more detailed Network FAQ available?

Part VIII: Section 8 - Compatibility with other Machines

-8.1) How compatible with other systems is an Acorn machine?
acorn FAQ: ) How compatible with other systems is an Acorn machine?
-8.2) Is there a BBC BASIC for other machines?
acorn FAQ: ) Is there a BBC BASIC for other machines?
-8.3) Can I run 65Host on the Risc PC?
acorn FAQ: ) Can I run 65Host on the Risc PC?
-8.4) Can I read Acorn format discs on a PC?
acorn FAQ: ) Can I read Acorn format discs on a PC?
-8.5) What software handles files with this extension?
acorn FAQ: ) What software handles files with this extension?
-8.6) Is there a version of Draw for Windows?
acorn FAQ: ) Is there a version of Draw for Windows?

Part IX: Section 9 - Technical Details

-9.1) How do I get a faster interrupt timer than the centisecond ones?
acorn FAQ: ) How do I get a faster interrupt timer than the centisecond ones?
-9.2) How can I create Interlaced GIFs on Acorn machines?
acorn FAQ: ) How can I create Interlaced GIFs on Acorn machines?

Part X: Section 10 - Risc PC PC Card Details

-10.1) What is the latest version of the Emulator software?
acorn FAQ: 10.1) What is the latest version of the Emulator software?
-10.2) Why does the serial port not work after using the card?
acorn FAQ: 10.2) Why does the serial port not work after using the card?
-10.3) Why do Windows programs give me incorrect colours in a 256 colour mode?
acorn FAQ: 10.3) Why do Windows programs give me incorrect colours in a 256 colour mode?
-10.4) How much memory can I configure for the PC Emulator?
acorn FAQ: 10.4) How much memory can I configure for the PC Emulator?
-10.5) Can I use Win95 with the card?
acorn FAQ: 10.5) Can I use Win95 with the card?
-10.6) Can I resize my PC partition?
acorn FAQ: 10.6) Can I resize my PC partition?

Part XI: Section 11 - Hardware Compatibility

-11.1) What IDE drives work on Acorn machines?
acorn FAQ: 11.1) What IDE drives work on Acorn machines?
-11.2) What are the master / slave link settings for my IDE Drive?
acorn FAQ: 11.2) What are the master / slave link settings for my IDE Drive?
-11.3) Why won't my Western Digital IDE drive won't work after a cold boot?
acorn FAQ: 11.3) Why won't my Western Digital IDE drive won't work after a cold boot?
-11.4) What works with what?
acorn FAQ: 11.4) What works with what?
-11.5) What specification memory can I use with my RiscPC?
acorn FAQ: 11.5) What specification memory can I use with my RiscPC?

Part XII: Section 12 - Common Questions about the FAQ

-12.1) Why do I get the FAQ twice?
acorn FAQ: 12.1) Why do I get the FAQ twice?
-12.2) Why does the full FAQ have to be posted?
acorn FAQ: 12.2) Why does the full FAQ have to be posted?
-12.3) Isn't the FAQ overly long?
acorn FAQ: 12.3) Isn't the FAQ overly long?
-12.4) If I find something wrong or am unhappy with the FAQ, what do I do?
acorn FAQ: 12.4) If I find something wrong or am unhappy with the FAQ, what do I do?









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