Mac Expert 1995 Winter/Mac Expert - Winter 95.iso/Les fichiers/Tidbits/Tidbits 201 à 280/TidBITS#225⁄09-May-94

Text File | 1994-05-09 | 29.1 KB | 615 lines | [TEXT/ttxt]

TidBITS#225/09-May-94
=====================

The issue offers a look at the results of an Ingram Labs test of
   Power Macs versus Pentiums, a brief review of the PowerSwitch LT,
   and an analysis of why SyQuest drives may suffer head crashes.
   Adam and Bill announce their Internet Explorer Kit - a non-
   technical book that shows what life is like on the Internet, and
   we conclude with Nick Arnett's thoughtful comparison of the 15th
   century printing revolution in Europe and the Internet of today.

This issue of TidBITS sponsored in part by:
* APS Technologies -- 800/443-4199 -- <[e-mail]>
   Makers of hard drives, tape drives, memory, and accessories.
   For APS price lists, email: <[e-mail]> <---- New

Copyright 1990-1994 Adam & Tonya Engst. Details at end of issue.
   Automated info: <[e-mail]> Comments: <[e-mail]>
   --------------------------------------------------------------

Topics:
    MailBITS/09-May-94
    Power Macintosh Trounces Pentium PCs
    Internet Explorer Kit for Macintosh
    SyQuest Reliability Problems
    PowerSwitch LT: Controlling Power Via LocalTalk
    Mendicant Sysops in Cyberspace
    Reviews/09-May-94

[Archived as /info-mac/per/tb/tidbits-225.etx; 30K]


MailBITS/09-May-94
------------------

**Lord Kelvin** deserves an apology; the term "degrees," we're
  told by numerous alert readers, is not used along with his name in
  describing the temperature of an object. [MHA]


**CEToolbox 1.7.2** is in fact the current version, several
  readers have told us in regard to our mention of it in TidBITS
  #224_. [MHA] Thanks to David "wow, I'm actually correcting one of
  the BIG guys" Alten <[e-mail]> for adding that it's
  available at:

ftp://mac.archive.umich.edu/mac/system.extensions/init/cetoolbox1.72.sit.hqx


**RSI Network Newsletter** subscribers might have had problems
  receiving issue 17. Craig O'Donnell <[e-mail]>
  writes: "Thanks to a full moon and an unfortunate series of slip-
  ups somewhere out in Net-Land, the 17th RSI Network Newsletter
  mailing went awry. Some people didn't get a newsletter, but
  instead got a crabby message from some guy and ten or fifteen
  bounced mail messages. Some people got both the issue and the
  junk. I don't think anyone knows what happened but it's been
  fixed."

  The RSI Network Newsletter discusses issues and ideas relating to
  repetitive stress injuries. If you want to subscribe, send a mail
  message to <[e-mail]> with this line into the body
  of your message (the Subject line doesn't matter):

    subscribe rsi

  To remove yourself from the newsletter list, send email to the
  same address and use as the command:

    unsubscribe rsi


Power Macintosh Trounces Pentium PCs
------------------------------------
  by Mark H. Anbinder, News Editor <[e-mail]>
     Director of Technical Services, Baka Industries Inc.

  Power Macs beat Pentium PCs, according to a study conducted by
  Ingram Laboratories in April. The results of the independent
  testing are, naturally, being trumpeted by Apple. Ingram, whose
  unbiased tests are well-respected in the industry, pitted Power
  Macintosh 6100/60, 7100/66, and 8100/80 computers against
  comparably equipped Compaq Deskpro Pentium/60 and Pentium/66
  units, and a Compaq Presario 486SX/25 (for kicks, we assume).

  Using a series of 25 tests incorporating four applications (Adobe
  Photoshop, Aldus Freehand, Frame Technology's FrameMaker, and
  Fractal Design Painter) available on both platforms, Ingram found
  that the Power Macs outperformed the corresponding Pentium systems
  by average amounts ranging from 24 percent (for the Power Mac
  6100/60 over a 60 MHz Pentium system) to 54 percent (for the
  8100/80 over the 66 MHz Pentium system). The Power Mac 6100/60
  even beat the 66 MHz Pentium system by an average of 5 percent.
  The 25 tests included such every-day tasks as opening files,
  scrolling, and spell checking.

  Ingram attempted to ensure that both Macintosh and Windows
  machines were comparably configured, since configuration can
  affect performance.

  Apple points to these test results, and pricing research done by
  International Data Corp., to illustrate that Power Macs offer
  significant price and performance advantages over Pentium-based
  and other mainstream personal computers. Features such as SCSI,
  networking hardware and software, and 16-bit audio, which are
  included on the Power Macintoshes and typically add hundreds of
  dollars to the cost of Intel-based computers, were not considered
  as factors. Had they been, the price/performance ratios would have
  leaned towards Macintosh even more.

  Ingram noted that computers based on Pentium processors faster
  than 66 MHz, and PowerPC processors faster than 80 MHz, were not
  available at the time of testing. The company plans to test faster
  systems as they become available. They also noted that extremely
  limited availability of 66 MHz Pentium systems meant they could
  not obtain pricing from vendors other than Compaq.

  Apple's Ian Diery, executive vice president and general manager of
  Apple's Personal Computer Division, says that "these results give
  DOS and Windows users even more reason to consider switching to
  Macintosh." Although performance of DOS and Windows applications
  running in emulation under SoftWindows on a Power Mac will not
  approach the levels that would be seen on Pentium boxes (or even
  fast 486 machines), we agree that, when using comparable
  productivity applications on one platform or the other, Power Macs
  win hands down.

  Information from:
    Apple propaganda
    Ingram Laboratories


Internet Explorer Kit for Macintosh
-----------------------------------
  by Adam Engst <[e-mail] & Bill Dickson <[e-mail]>

Adam: You know, Bill, we should mention that Internet Explorer Kit
  for Macintosh (Hayden Books, ISBN# 1-56830-089-1) is now out and
  probably even in bookstores.

Bill: That was less than subtle, Adam. I think TidBITS readers are
  too clever for that. They'll realize just what we're doing.

Adam: Sigh, I think we used to be better at disguising the blatant
  plug.

Bill: Such is life. Why don't you tell the nice readers what the
  book is about, then?

Adam: OK. When Bill and I thought about writing a book, we
  realized that what the world needs (and what we wanted to write)
  was a book that answered the burning question, "So what do you
  _do_ on the Internet, anyway?"

Bill: And we wanted pretty much everybody to be able to understand
  the answer. I've always had trouble explaining it to people like
  my grandparents, for instance, so we had them in mind while
  writing it. This is not a technical book - it's a book for people
  who are interested in the Internet.

Adam: Needless to say, we both spend a lot of time on the nets,
  but we don't think about it - the Internet is just a different
  environment to us, much like your house and office are different
  environments. You do different things in each, and you probably
  even act differently.

Bill: You'd never see me throttling myself with a tie at home, for
  instance.

Adam: Especially with that nasty Jurassic Park tie.

Bill: I happen to like that tie. As ties go.

Adam: I'm sure you do.

Bill: Anyway, the big problem with telling people what you can do
  on the Internet is that it's impossible to guess what they might
  want to do.

Adam: So we decided to concentrate on what we do, but rather than
  just tell you about it in the book, we actually did much of it and
  showed you what was happening. Before we wrote about Internet
  Relay Chat and MUDs, we logged on and talked to people in some
  different IRC channels and on FurryMUCK, a popular social MUD. And
  then, rather than write about what we did there, we heavily edited
  the logs of our sessions and included them so you can really see
  what went on. We even interviewed a number of Internet
  celebrities, ranging from Adam Curry of MTV and John Norstad of
  Disinfectant and NewsWatcher fame to the inimitable Emily Postnews
  and the White House (through their autoResponder).

Bill: Unfortunately, Hayden wouldn't let us call it "Bill and Adam
  Do the Internet." But they did let us write it entirely in dialog,
  just like this.

Adam: And they let us include Slugs!, a cartoon drawn by our
  friend Dominic White <[e-mail]>. Dominic put one cartoon
  up on a local Gopher server - more should follow in future weeks.

gopher://gopher.seattle.wa.us/

Bill: Just so we're up front about this - Internet Explorer Kit is
  not a technical book.

Adam: Bill, you said that already. They can read.

Bill: Sorry - I just wanted to emphasize it. We don't tell you how
  to do much of anything in Internet Explorer Kit - that's not the
  point of this book. The point is to sit down in a comfortable
  chair and enjoy the book while getting a feel for what life is
  like on the Internet.

Adam: But for those of you who do like the gritty details, look at
  the screenshots and you'll find a remarkable number of pointers to
  interesting FTP sites, Gopher servers, and Web sites. We also
  included a disk (hermetically affixed to the back cover with a
  child-resistant seal - I used a large knife on my copy) with some
  of our favorite MacTCP-based Internet tools, Anarchie, Finger,
  TurboGopher, MacWAIS, and the clever MacWeather.

Bill: I should also mention the folder labeled "Don't Read These
  Files! ;-)"

Adam: Why? They're not supposed to read the files in there, no
  matter how funny they may be.

Bill. Oh, that's true. Forget I mentioned it, people.

Adam: Enough of this - I think they get the idea. If you'd like
  order a copy of Internet Explorer Kit via email or phone with a 20
  percent discount off the $29.95 list price (magic code: IEK), send
  email to <[e-mail]> for ordering instructions. If you think
  we're raving lunatics and want nothing to do with us, that's fine
  too, we won't waste any more of your time.

Bill: Oh, and shouldn't you tell them your little secret?

Adam: Do I have to?

Bill: Yes.

Adam: OK, also out is Internet Starter Kit for Windows (Hayden
  Books, ISBN# 1-56830-094-8), which is very similar to my Internet
  Starter Kit for Macintosh, except that some friends of mine
  translated it for Windows. So if you're non-denominational in your
  Internet access habits, I hope you'll find the book helpful. It
  comes with software too, a fully-functional but stripped-down
  version of the $400 Chameleon, Eudora 1.4, WinVN, and WinSock
  Gopher. You can also get 20 percent off the $29.95 price of this
  book by ordering directly (magic code ISKW) - send email to
  <[e-mail]> for information.

    Hayden Books -- 800/428-5331 -- 317/581-3535


SyQuest Reliability Problems
----------------------------
  by Chriss G. Koch <[e-mail]>

  I've had reliability problems with 88 MB SyQuest drives recently
  and it seems that SyQuest is having a hard time deciding to
  publicize this valuable information. I believe this information is
  important enough to spread the word, though I have nothing against
  SyQuest and plan to continue to use and recommend their products.

  I'd like to give you a little background information so that you
  know where I come from. I provide technical support and network
  management for an office of about 150 Macintoshes. Between two
  companies, I've done this for about six years. I have a degree in
  electronics engineering, and spent over five years working in a
  high-tech electronics manufacturing environment. In addition, I'm
  Apple-certified in the service and repair of Apple products. Now
  my story.

  A little over two years ago (and within about a six month time
  frame) we bought 36 SyQuest 88 MB external removable drives for
  use with some of our Macintoshes. I won't mention the vendor
  because the problems we experienced had nothing to do with
  anything they had control over (enclosure, power supply, cabling,
  software, and so on). The drives were intended to be used for
  specific tasks that required large capacity, high performance, and
  removal of the storage medium. I chose SyQuest because I'd had
  good experience with their 44 MB removable drives for similar
  needs during the three previous years. The 88 MB drives served us
  well - until last September. In the last six months, twelve out of
  the thirty-six drives suffered a head crash.

  I was astounded and began searching for the cause. At first I
  suspected misuse, but after speaking with the users, I felt
  certain that they were familiar with, and had been practicing,
  proper usage. I ruled out inappropriate cartridges - we'd always
  used the SyQuest brand. Next I examined the environment. All the
  drives were used in the same building - a typical office
  environment, free from poor environmental factors such as variable
  temperatures, humidity, dust, and smoke. I contacted the vendor
  and they agreed that the rate of failure was excessive but could
  see no cause. None of their other customers had reported similar
  problems.

  Then I called SyQuest to seek their opinion and advice. They asked
  me to send several of the failed drive mechanisms and cartridges
  to them for analysis. I had visually inspected each of the failed
  cartridges myself, and found it interesting that the marks on the
  platter indicating the head crash area were on the same side and
  in the same location on every disk. A few weeks later, I received
  replacements from SyQuest for the drives and cartridges I had sent
  them, but no explanation as to the cause. I called and talked to
  the engineer who had inspected my drives. I told him that I
  appreciated the replacements, but I needed to know the cause so
  that I could prevent future crashes. He asked me how the drives
  were used. Specifically, he wondered if we left cartridges in the
  drives (and running or "spun up") all day, or overnight (and
  weekends) with long periods when the disk potentially wasn't
  accessed. Guess what - not much more than six months ago quite a
  number of my users began doing this. The SyQuest engineer said
  that "this might not be a good idea," though there has never been
  any prior warning.

  He explained that while the drive is idle, the heads fly a few
  millionths of an inch away from the disk in a nominal position to
  provide quick performance. The heads sort of float on a cushion of
  air between them and the disk. Friction in the air cushion causes
  heat build-up, and while the heads are not moving (accessing the
  disk) the heat does not dissipate. Any airborne debris tends to
  gather on the disk in this area and after enough of it collects
  the head collides with it and bounces into the disk. SyQuest's
  answer to this problem is the dust guard bezel you may have
  already heard about. The SyQuest engineer told me that the plastic
  bezels reduce air flow into the drive by 90 percent and should be
  used on all 44 MB and 88 MB drives. SyQuest has corrected the
  problem by changing the design of their 3.5-inch drives and the
  new 200 MB 5.25-inch drive to reduce air flow into the drive. The
  SyQuest engineer seemed worried enough about my satisfaction that
  he offered to send me (free) enough of the bezels to cover all of
  my drives.

  In conclusion, if you have a 44 or 88 MB SyQuest drive, be careful
  not to leave a cartridge in the drive during long periods of
  inactivity. I also recommend that you use one of the plastic
  bezels. APS Technologies (I'm not affiliated - other vendors may
  sell them too) currently offers the bezels for $8.99 each, though
  I think SyQuest should give the bezels away to anyone who owns a
  44 or 88 MB drive.

    SyQuest Technology -- 800/245-2278
    APS Technologies -- 800/443-4199


PowerSwitch LT: Controlling Power Via LocalTalk
-----------------------------------------------
  by Kee Nethery <[e-mail]>

  My home LaserWriter is tucked away in a closet corner where it's
  difficult to turn on and off, especially when I'm on a different
  floor. I don't like leaving it on for long periods of time because
  the lights dim when it power cycles (it's a power hog) and I've
  seen the repair bills for office LaserWriters left on year round.
  My solution is the PowerSwitch LT from Radiant Enterprises.

  The PowerSwitch LT is an intelligent power outlet with an ADB port
  for controlling a Mac directly and a LocalTalk port for attaching
  to a LocalTalk network. If you want to control a device remotely,
  the PowerSwitch LT can probably handle it. It can power up your
  office Macintosh when you dial in through an Apple Remote Access
  server, automatically reboot LocalTalk routers when they freeze,
  control power to appliances, and - my favorite - power on a
  LaserWriter (or any LocalTalk-based laser printer) when I print
  and then turn it off after a period of inactivity. If half of the
  Apple LaserWriters ever sold are currently kept on round the
  clock, and if each had a PowerSwitch LT, the energy saved could
  power all the homes in Rochester, New York or St. Petersburg,
  Florida.

  Before the PowerSwitch existed, if you wanted to access your
  computer remotely through an Apple Remote Access server (Cayman,
  Shiva, and so on), you had to leave your Mac running constantly.
  By attaching a PowerSwitch, you can turn the Macintosh off when
  you leave the office and on those occasions when you need access
  to it via ARA, communicate with the PowerSwitch, enter your
  password, power on the peripherals, wait a couple of seconds, then
  power on your Macintosh with an ADB command. The PowerSwitch comes
  with software that enables you to issue a Shut Down command to
  reverse the process.

  When networking hardware devices (routers, modems, etc.) must be
  rebooted, they are always physically far away and everyone at the
  remote site has gone home (it's just one of those rules). The
  PowerSwitch can be paired with a remote device such as a router,
  server, or ARA server so that it watches for packets coming from
  that device. If the device stops sending packets on the network
  for a configured amount of time, the PowerSwitch automatically
  powers it off, waits a number of seconds, then powers it back on.
  This is extremely useful if you manage devices in far away
  locations.

  As I said, my favorite is power control of a LaserWriter. When the
  LaserWriter is off, the PowerSwitch pretends to be the
  LaserWriter. Pull down the Chooser and you see all the
  LaserWriters, even if they all are powered off. When you print,
  the PowerSwitch powers on the LaserWriter, PrintMonitor tells you
  there is a problem printing, you tell it that you would like to
  try printing again, and it prints on that second try. My
  LaserWriter is set to power off if I don't use it again within
  thirty minutes. For offices, an extension on the receptionist's
  Macintosh can keep the LaserWriters on while that Macintosh is on,
  thereby skipping the PrintMonitor message and still powering it
  off at night. [The PrintMonitor complaint that it can't find the
  printer is the most irritating part of using the PowerSwitch. I'd
  like to see Radiant fool Print Monitor into not complaining, or at
  least provide an FKEY to turn it on beforehand. -Tonya]

  A flashing push button on the PowerSwitch indicates that it is
  functioning and enables you to physically switch power on or off
  without using software. The button sticks up, so I put my
  PowerSwitch on the floor - when I step on it, my LaserWriter
  powers on.

  Installation is relatively simple, just plug the device you are
  controlling into the PowerSwitch 15 amp power outlet, plug the
  PowerSwitch into a power outlet and attach a network connector. If
  you use the PowerSwitch to control a Macintosh, connect the
  PowerSwitch to the Macintosh with an ADB extension cable. Radiant
  makes an ADB Y-splitter cable for Macs with only one ADB port.

  You configure the PowerSwitch through a rather clumsy HyperCard
  stack that is explained by a mediocre and confusing manual. The
  PowerSwitch can be manually controlled from the Chooser and can
  pretend to be any Choose-type device, such as a LaserWriter,
  NetModem, Coffee Pot, Photocopier, or Macintosh. Any software that
  can execute HyperCard XCMDs can be used to control a PowerSwitch.
  Offices that have several LaserWriters can have them all turn on
  in the morning by using an extension that powers them on when a
  Mac is on.

  The configuration is password-protected and on/off control can
  also be password-protected. The password uses a random number
  exchange so that the actual password does not travel across the
  network. Passwords make controlling routers realistic, since you
  wouldn't want someone to accidentally or maliciously power off
  your routers. To make passwords easier to manage, PowerSwitch
  offers a text field where you can leave a note about the location
  of the password or who has the password. Since the note is in the
  PowerSwitch, anyone on the network can read it.

  All the latest Radiant software (including their Analog/Digital
  I/O software, and video camera pan & tilt control for QuickTime)
  is available on America Online in Radiant's area (keyword =
  radiant).

  The PowerSwitch LT is sold directly by Radiant for $199. Last but
  not least, I used to work at Radiant, and I helped design the
  PowerSwitch hardware so I am a bit biased. [Which is why we've
  tested the PowerSwitch for a while, and can vouch for its everyday
  efficacy. -Tonya]

    Radiant Enterprises -- 415/395-9940 -- 415/395-9646 (fax)
      <[e-mail]>


Mendicant Sysops in Cyberspace
------------------------------
  by Nick Arnett <[e-mail]>
  Copyright (c) 1994 Nick Arnett, Campbell, Calif., USA

  "Convergence," the hot buzzword to describe the crossovers between
  computing and communications, is not new, even though the
  technologies are. Today's convergence mirrors the European 15th
  century intersection of printing and cheap paper. Prior to then,
  in order to get many points of view of a subject as a scholar, you
  had to travel from library to library, since the extremely
  valuable hand-made manuscripts were chained to tables. As you read
  each manuscript, you had to figure out its organization and
  structure, a difficult task because each "publisher" tended to
  have its own methods. Many of the clues that we take for granted,
  including punctuation (!), weren't invented or weren't
  standardized. You couldn't take notes, since paper was difficult
  to come by, so you had to memorize all sorts of obscure
  information, including idiosyncratic clues to the organization and
  structure of the manuscripts.

  Today, as we work on our modern technological convergence, we have
  reproduced the confusions and frustrations of the 15th century in
  cyberspace. We find ourselves wandering (albeit quickly) from Web
  server to FTP site to WAIS source to newsgroup, hoping to stumble
  across something interesting, but most of the time we can't
  quickly figure out how the owners or managers of the information
  organized their stuff. It often takes time just to determine that
  the desired piece of information does not in fact exist at the
  given site.

  We memorize strange access codes, path names, Uniform Resource
  Locators, and other idiosyncrasies of the online sources. There
  are no standard title pages, tables of contents, indexes, or
  punctuation, and there are few (if any, depending on your range)
  navigational tools that span the various islands of information.
  We've even created new punctuation - "emoticons" that help avoid
  misunderstood humor, for example.

  Current events mirror the 15th and 16th centuries in Europe. A
  professor puts some papers on the Internet to share with his peers
  and finds that to his surprise and dismay, people all over the
  world read and interpret them in ways unintended. This echoes a
  recorded conversation between Martin Luther and Pope Leo X, in
  which Luther said, "It is a mystery to me how my theses, more so
  than my other writings, indeed, those of other professors, were
  spread to so many places. They were meant exclusively for our
  academic circle here... They were written in such a language that
  the common people could hardly understand them."

  The Wittenberg church door was Usenet for Luther's community. The
  printing press, like today's Internet connections, made it cheap
  and easy for many new people to get copies, including some who,
  scandalously, wished to make money by printing them - the "Wired"
  magazines of the mid-Renaissance.

  The dissemination of Luther's theses was the pope's own fault,
  depending on your view of ultimate responsibility. Leo X had
  proclaimed that souls in purgatory could have their sins paid via
  indulgences - printed papers, often bearing religious images. The
  pope's decision allowed the bishop of Mainz, Germany, to raise
  money for a building project by having a local fellow, named
  Gutenberg, and others print lots of indulgences. The printers,
  hungry for more work, started scouting around for sensational
  stuff that would sell well among the common folk. Apparently, the
  ancestors of "Hard Copy" came across Luther's theses nailed to the
  church door and said to themselves, "Hey, copyright law won't be
  invented for centuries, so we can make a fortune selling this
  stuff. It's heresy, and we all know how heresy sells!"

  Our information navigation problems are being solved by means
  quite similar to those of the 15th century. Just as the mendicant
  scholars of those days helped interpret, organize, and disseminate
  information in exchange for free room and board, today's
  "mendicant sysops" often trade free access to commercial online
  services in exchange for doing the grunt work of organizing,
  maintaining, and interpreting today's navigational nightmares.
  Like the educators, church, and businesses who supported mendicant
  scholars in the 15th century, universities and businesses provide
  "free" access to many of the volunteers who do this work on the
  Internet.

  These are the people inventing the punctuation of the global
  digital network, title pages, indexes, and catalogs. In doing so,
  they're forming new collaborations among education, science,
  business, the humanities, the arts, and all of the other human
  pursuits present on the net. And just as those collaborations
  produced some of the greatest fruit of the Renaissance after
  Gutenberg, by letting people see the world through new eyes, the
  net's great promise is to balance today's homogenized, mass-media
  information overload with easy access to many points of view.

  Who will choose the new punctuation, the new layouts, the new
  indexing schemes? For good or ill, it will probably be the same
  kind of people who chose them after the time of Gutenberg -
  publishers, eager to sell. Most publishers have seen digital
  networks primarily as an inexpensive distribution medium. We
  imagine that we can reap huge profits by saving the costs of
  printing, paper, and postage. On reflection, those seem not to be
  costs but falling barriers to entry. Publishers shouldn't expect
  profits to rise; they should expect competition to heat up. It's
  cheap - $2,500 plus $50 a month - to put a server on the Internet.
  The standard-setters won't necessarily be those with the deepest
  pockets. They'll be the people who figure out how to organize,
  punctuate, and navigate the terabytes of information that are only
  milliseconds away.

  Meanwhile, be careful what you nail to the digital church door.

                             ---

  Nick Arnett is president of Multimedia Computing Corp. While
  starting a new venture in information navigation, Arnett is also
  working on a project to begin rebuilding the Sarajevo library via
  the Internet (see the World-Wide Web server below  for more
  information).

http://nearnet.gnn.com/global-tea-party/sarajevo.html


Reviews/09-May-94
-----------------

* MacWEEK -- 02-May-94, Vol. 8, #18
    Macromedia Director 4.0 -- pg. 51
    PopupFolder 1.0.1 -- pg. 56

* InfoWorld -- 02-May-94, Vol. 16, #18
    Power Macintosh 6100, 7100 -- pg. 128


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