Mac Expert 1995 Winter/Mac Expert - Winter 95.iso/Les fichiers/Tidbits/Tidbits 201 à 280/TidBITS#228⁄30-May-94

Text File | 1994-05-30 | 28.9 KB | 633 lines | [TEXT/ttxt]

TidBITS#228/30-May-94
=====================

This issue brings you reviews of DiskTop 4.5 and Aaron Giles's
   excellent JPEGView, Mark Anbinder's notes about installing a
   modem in the new PowerBook 500-series Macs, a warning about
   using America Online's Internet access method, and more
   information about the BT project to provide video on demand
   using set-top boxes with Macintosh motherboards. Last, but
   not least, read on for information about a programming CD
   and the SGI reality.

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/30-May-94
    America Online Warning!
    BT Tests Video on Demand
    Netware, But Not From Novell
    Netware: JPEGView
    PowerBook Puzzle
    DiskTop 4.5
    Reviews/30-May-94

[Archived as /info-mac/per/tb/tidbits-228.etx; 30K]


MailBITS/30-May-94
------------------
  I'm in crunch mode again to finish the text of the second edition
  of Internet Starter Kit for Macintosh, so if you could send
  TidBITS-related mail to Tonya at <[e-mail]>, I'd
  appreciate it. And, if you're developing an Macintosh Internet
  program, plan on releasing an update in the next few weeks, and
  would like me to mention it in the second edition, please send me
  email and we'll talk. Thanks! [ACE]


**Macintosh Updates Updated** -- We just released a new version of
  the Macintosh Updates database (with all the formats in the same
  archive, along with a text-only file) and I've uploaded to all the
  usual places. It contains a number of changes from the previous
  version (TidBITS #223_), and continues to be a must-have. [ACE]

ftp://ftp.tidbits.com/pub/tidbits/misc/mac-updates-94-05-15.etx
ftp://ftp.tidbits.com/pub/tidbits/misc/mac-updates-94-05-15.hqx


**Source Code on CD** -- Celestin Company recently released
  Apprentice, a $35 CD that offers an assortment of programmers'
  utilities and approximately 450 MB of source code. The source code
  comes from over 200 Mac developers (with permission, of course)
  and most of it is in C, C++, and Pascal, though it comes with
  small amounts of code from a variety of languages. For the new
  programmer, Apprentice includes shell programs that provide a
  program framework for new programs, and for MPW users, Apprentice
  has various libraries, tools, languages, and utilities. The CD
  also has tips, technical specifications, and a compendium of
  information from comp.sys.mac.programmer digest. Celestin Company
  -- 206/385-3767 -- 206/385 3586 (fax) -- <[e-mail]>
  [TJE]


**Performas are moving** into the higher-education retail
  channels, just to confuse matters when you're buying a Macintosh.
  This means that colleges and universities can now compete with Big
  Bob's Computer and Vegetable Warehouse (our motto, "Buy a
  Performa, get a rutabaga free!"). The move also raises the
  question of what happens to the LC line, most, if not all, of
  which are identical to Performa models. [ACE]


**Brian Bezanson** <[e-mail]> writes:
  As a Mac developer whose current product, Jet Stream Color Image
  Server, runs on SGI hardware (from the "Purple" Indigos and the
  Indigo 2 to the Indy machines), I can tell you they don't compare
  to Power Macs in price/performance.

  The Indigo 2 that Mr. Showker saw (TidBITS #227_) was probably the
  standard SGI Indigo 2 demo machine that has a 2 GB Barracuda hard
  drive, 128 MB to 256 MB of RAM, and is running minimal system
  software. A bare Indigo 2 machine starts in the $15,000 range. Add
  $3,000 for the 2 GB drive (SGI charges more), $10,000 for 128 MB
  of RAM, and $6,000 for a monitor with 24-bit graphics and Mr.
  Showker's "All for a few dollars more than a dressed-out Power
  Mac" starts at $33,000. A Power Mac 8100 has faster Specmarks,
  starts at around $5,000 and with an added $2,000 for the Barracuda
  drive and $4,000 for the RAM, you're at $11,000 for a machine that
  can do more when the truly native version of Photoshop 3 arrives.
  [And then there's the fact that SGI Photoshop is reportedly two to
  three times more expensive than Photoshop for the Macintosh.
  -Adam]

  I have yet to see SGI Photoshop run at even Quadra speeds on our
  Indigo 2 and Indy machines when they are networked in our standard
  work environment. I was at Macworld in January where SGI was
  showing how the Indy at $4,995 was better than a Quadra. The folks
  from Corel were saying why they weren't doing development for the
  Mac anymore and why you should buy the Indy with their program. I
  then asked the Corel demonstrator the minimum machine required,
  and he said an Indy ($5,000), 2 GB hard drive ($3,000), 96 MB of
  RAM ($8,000), and 24-bit video ($3,000 to $4,000 for a new monitor
  and $2,000 to $3,000 for a 24-bit video card). The machine
  recommended to run CorelDraw for SGI cost over $22,000!

  In case you're wondering, why do we use the SGI? Because for
  price/performance it is the fastest Unix workstation out there. We
  know the machines needed to run our software cost our customers
  $20,000 to $30,000, but we also have the fastest Adobe PostScript
  Level 2 RIP available and they view that as the price for speed
  and stability. My goal is to move to a PowerPC 604/620-based Mac
  running System 8 (Copland) in two years so we can get the pre-
  emptive multitasking and memory protection we get on the SGI along
  with the price/performance of a Power Mac.


America Online Warning!
-----------------------
  by Adam C. Engst <[e-mail]>

  An alert reader writes to report on a phone call with America
  Online's tech support. Like many other people who have called, the
  phone person at first didn't know what our alert reader was
  talking about in relation to the America Online TCP/IP Internet
  access we reported on after hearing about it on Usenet. But after
  conferring with a supervisor, the tech support person came back
  and said that the Internet access was limited to beta testers who
  had signed up online (and presumably been accepted - I signed up,
  but as is standard with America Online, never heard a thing back).
  He said that if America Online caught any unauthorized people
  using the Internet access, they would be expelled from America
  Online.

  The rationale for this Draconian punishment was that America
  Online doesn't have the capacity on its Internet links now to
  support more than the beta testers, and other people using the
  links will slow down the beta test and thus the release of the
  service to the public.

  Although I respect America Online's right to limit this service to
  beta testers at the moment, I have little sympathy - if they post
  unprotected files on a publicly-accessible FTP site that requires
  no usernames or passwords, what do they think is going to happen?
  I test many products for which beta versions are distributed on
  the Internet, and in no case is everything laid open like America
  Online's Internet software.

  Yet another reader passed on a letter from America Online that
  informed him that despite the fact that he was using the Internet
  to access America Online, the $12 per hour charge that covers the
  costs for the phone services to Hawaii, Alaska, Puerto Rico, and
  Canada still accrues. We strongly hope that America Online has the
  savvy to remove this silly policy once Internet access is
  generally available to its users.


BT Tests Video on Demand
------------------------
  by Tonya Engst <[e-mail]>

  Many people wrote in about our brief mention last week in TidBITS
  #227_ of some kind of video on demand (VOD) service in Britain
  related to Apple's rumored set-top boxes. Almost everyone had a
  different take on the situation, but as near as I can tell, here's
  the story:

  BT (which prefers to be called BT, not British Telecom) is a phone
  company that wants to offer more than just phone service, in order
  to better compete with the many cable companies springing up. BT
  is trying to jump through a loophole in the law that prohibits
  them from broadcasting over their twisted pair copper (and some
  fiber optic) network by doing "monocasting," where subscribers
  request movies and TV shows and then receive the programming over
  their existing phone lines. According to rumor, the programming
  comes from the BBC.

  According to a source at BT and to an article in the Feb-94 issue
  of UK MacUser, BT is currently conducting a technical trial that
  involves about 65 employees in the Ipswich, Suffolk area. Each
  employee's home television is attached to an LC III-based
  Macintosh set-top box, which contains a special MPEG card for
  handling video transmission. Although the box does not come with a
  keyboard or screen, users can request, pause, rewind, fast
  forward, and freeze programs.

  BT is distributing the VHS-quality video using an Oracle Media
  Server running on massively parallel nCube hardware. The video
  travels over the copper twisted pair phone lines using a
  compression technology called ADSL (Asymetrical Digital
  Compression Line, and I'm not sure why the acronym doesn't work
  out). The technology allows BT to send video out at several
  megabits per second and for users to send information back at
  several hundred kilobits per second. Evidently, even while a house
  receives video, someone at the house can make a phone call over
  the same wires. The technology is apparently just beginning to
  work; unfortunately, nobody participating in the test wrote in, so
  I don't know how well it works.

  BT's future plans are a bit murkier, but the company does have
  plans for a second technical trial, which will involve hundreds or
  even thousands of users. For the second trial, BT may use their
  twisted copper network, may try to use ISDN, and may include home
  shopping and banking services. Evidently, Apple plans to continue
  testing set-top boxes, with the eventual goal of coming out with a
  commercial product.

  You can find additional information in the May and June issues of
  Australian Communications, which contain a two-part article about
  DMT ADSL and on the results of the MPEG Test Group's recent
  subjective viewing tests. For those who read Norwegian, there's a
  Web page at the Norwegian Telecom Research Institute that
  reportedly talks about video on demand projects in Norway and
  Europe.

http://www.nta.no/xtf/xtf.html


Netware, But Not From Novell
----------------------------
  by Radical Liberation <[e-mail]>

  There are two ways to look at netware, that increasingly huge body
  of software that is primarily available electronically and is paid
  for informally. (I include shareware, freeware, beerware, and so
  on in the netware category.) From the point of view of software
  producers, netware increasingly competes with the more trivial end
  of software products. This includes, for example, text editors and
  image viewers as opposed to, say, PageMaker or AutoCAD. Also, more
  and more commercial products are refined versions of popular
  netware; examples include StuffIt Deluxe from Aladdin Systems and
  White Knight (formerly Red Ryder) from Freesoft.

  But for users, netware is an often frustrating, occasionally
  delightful grab-bag that can be extremely elusive for those
  without access to mainstream networks. Since you are reading
  TidBITS, an electronically distributed publication, there is a
  good chance you have at least indirect access to a major network.
  But even so, netware remains a frustrating experience. With so
  much out there and so little time, it becomes fairly difficult to
  track down an application that will actually be useful or
  entertaining and not crash the third time you use it. The next
  article is the first in a series intended to steer you towards the
  best netware and away from the mediocre.

  If you have a favorite netware package that you feel deserves some
  recognition email me about it. Please include information on how
  to get it via either the Internet or America Online. Some brief
  comments on why you think it is great would also be helpful.


Netware: JPEGView
-----------------
  by Radical Liberation <[e-mail]>

  It has been my great pleasure to discover that some netware has
  achieved commercial quality. In particular, JPEGView, by Aaron
  Giles <[e-mail]>, is a useful and stable program with
  a good interface. JPEGView serves primarily as an image viewer for
  JPEG-compressed images. The most recent version, 3.3, comes as a
  "fat-binary" and works on regular Macintoshes equipped with System
  7 and on Power Macintoshes.

  JPEG compression is a "lossy" algorithm which achieves phenomenal
  compression by throwing away image information that we probably
  won't miss much anyway. JPEG compressed images can contain
  millions of colors, (most JPEG images available on the nets do).
  To facilitate viewing images, JPEGView provides fast JPEG
  decompression, the best color reduction available, and a new kind
  of window optimized for image viewing.


**JPEGView windows** automatically scale images to fit inside the
  window, eliminating the need for scroll bars. The windows can be
  resized or a portion of the window can be selected to make a new
  window (this is nice for zooming in on details of a large image).
  My one quibble with JPEGView's otherwise excellent interface is
  the resize box. If you move your pointer to where the resize box
  normally lives, your pointer turns into a resize box, telling you
  that the image will be resized if you click and drag. Since
  discovering this feature requires noting the pointer change when
  you pass over that small area of the image (or reading the online
  help), I used JPEGView for a good six months before I discovered
  it.


**Color Reduction** is an extremely important feature, since most
  JPEGs come in millions of colors but most Macintosh monitors are
  limited to 256 colors. To give you some idea of how well
  JPEGView's color reduction works, I visually compared the same
  image with three different setups, using TeachText with QuickTime.

> Image viewer         Monitor colors setting
> -------------------------------------------
> 1) TeachText         256
> 2) JPEGView          256
> 3) TeachText         Thousands

  I found a great image quality difference between 1 and 2, but a
  barely noticeable image quality difference between 2 and 3. How
  does JPEGView do it? I don't know, but I like it. Since JPEGView
  is scriptable via Apple events, you can use AppleScript or
  Frontier to take advantage of this excellent color reduction
  algorithm.


**Additional features** that are peripheral to JPEGView's major
  purpose in life, but useful nonetheless, include viewing of GIF-
  compressed images, slide shows, and creating previews and/or
  custom icons for all supported image types. All of these services
  are performed with distinction. In particular, JPEGView's custom
  icons look better than the ones that System 7 creates when a PICT
  is pasted into the icon area of the Get Info dialog.

  In addition, JPEGView, in part because it's postcardware, is the
  graphics viewer of choice for many Internet applications like NCSA
  Mosaic and TurboGopher. When you download a JPEG or GIF image,
  Mosaic simply asks the Finder to open the image with JPEGView,
  making for an almost seamless display of images from the Internet.


**Online support** from Aaron Giles is excellent, something many
  commercial companies could watch more closely. JPEGView has its
  own forum on America Online (keyword: JPEGView), Aaron
  <[e-mail]> responds fairly promptly to email, and he has
  fixed all bugs that I have pointed out to him by the next release.
  Aaron always seems to be first with whatever neat new thing Apple
  wants programs to do. JPEGView fully supports Apple events, has
  extensive on-line help, balloon help, and was the first Power
  Macintosh native application that I could get. To show off
  JPEGView's native PowerPC performance, and for fun, I timed a
  slide show of about a dozen images of different types on several
  different systems. Here are the results (using JPEGView 3.2.1),
  all done with 14" monitors set to 256 colors; images on RAM disk;
  using QuickTime.

> System                  Seconds
> ------------------------------
> LC III                  145
> Quadra 950               50
> Power Mac 7100           34
> Quadra 950 with
>  Power Mac upgrade card  29


**Wrap-Up** -- JPEGView costs a postcard, preferably color. I put
  my money where my mouth is by not only sending in a postcard but
  also paying the (optional) U.S. $20 to receive a printed manual
  and some images hand-picked by Aaron. JPEGView does it better than
  any other program, commercial or netware.

ftp://grind.isca.uiowa.edu/mac/infomac/grf/util/jpeg-view-33.sit
ftp://ftp.tidbits.com/pub/tidbits/tisk/utilities/jpeg-view-33.hqx

  Also, be sure to check out the large and still growing collection
  of JPEG images at:

ftp://wuarchive.wustl.edu/multimedia/images/jpeg/unindexed/


PowerBook Puzzle
----------------
  by Mark H. Anbinder, News Editor <[e-mail]>
     Director of Technical Services, Baka Industries Inc.

  Apple designed the original Macintosh as a closed box that the
  user would never need to open. All the ports were outside and
  easily accessible; even the battery could be changed from outside.
  (Of course, from day one, daring owners opened their Mac cases
  anyway.) When the Mac II arrived in 1987, we cheered Apple's
  return to an easy-to-open case with easily-accessible slots and
  devices. Unfortunately, the recently-introduced 500-series
  PowerBooks make even the intricate Duo look like child's play.

  Recent discussion on Global Village's OneNet support forum have
  focused on the difficulty of installing a PowerPort/Mercury (the
  new 500-series model) into one of the new PowerBooks. For example,
  one installation took two hours in the dealer's service
  department, and the customer was charged at a fairly high labor
  rate for the full time. It's easy to chide Global Village for
  making the modem difficult to install, but it's not their fault.
  It's even tempting to complain that the dealer shouldn't charge
  for their learning curve - but who should pay for the technician's
  valuable time?

  Unfortunately, the new PowerBooks are much more difficult to take
  apart than previous models. Some press coverage has described how
  easy it is to open the machine, but that's only part of the story.

  In fact, the keyboard can be released by removing two screws from
  the underside of the PowerBook. Once that's done, it actually is
  fairly easy to install a memory upgrade. Hypothetical future
  PowerPC-based daughterboard upgrades shouldn't be too difficult to
  slide in here, either.

  The modem poses the most difficulty. One part of the modem goes in
  the easy-to-reach area under the keyboard. The other part goes in
  the back of the computer where the telephone jack must live - and
  getting there requires taking apart virtually the entire
  PowerBook. Just reading how to accomplish the procedure takes
  noticeably longer than performing the entire modem installation on
  a 100-series PowerBook.

  Global Village says their technicians have performed quite a few
  installations, and have the process down to about an hour. One
  service technician of my acquaintance spent nearly four hours,
  making sure to carefully set everything aside for easy retrieval
  and making sure everything went back in the right place.

  Even more so than for previous PowerBook models, we highly
  recommend that owners of the new PowerBook 500-series models have
  installations done by an experienced service technician. Daring
  owners might find their installation attempts thwarted anyway; the
  required Torx 8 screwdriver bit must be longer than most, or it
  won't fit in the recessed screw-holes. As it happens, that may be
  the least of the difficulties; since Apple doesn't want anyone but
  service technicians inside these PowerBooks, Global Village
  doesn't even provide installation instructions in the box. They
  have instead mailed detailed instructions to their dealer base.

  Obviously we can't carry around something the size of a Macintosh
  II just to get modularity. (The Macintosh Portable just leapt
  clumsily to mind, unbidden and overweight.) We would hope,
  however, that Apple could develop its next generation of
  PowerBooks with some semblance of accessibility in mind. If not
  for the sake of daring owners, how about for the sake of those
  poor service technicians?

  Information from:
    Global Village tech support


DiskTop 4.5
-----------
  by Stephen Camidge <[e-mail]>

  DiskTop has long been a popular Finder-replacement utility for
  people who need to work with files in ways that the Finder simply
  doesn't do well. DiskTop enables you to quickly browse through
  your files, find specific files, work with sets of found files,
  make files visible and invisible and so on.

  PrairieSoft, a new company formed by many of the employees who
  developed and supported DiskTop at CE Software, has purchased the
  rights to DiskTop. PrairieSoft's first update to DiskTop, version
  4.5, offers several improvements over DiskTop 4.0.2 and maintains
  DiskTop's position as a great utility, but leaves room for further
  improvement. This review aims to help current DiskTop owners
  decide whether or not to take the plunge for the $30 upgrade. The
  upgrade shouldn't require any fancy new hardware - the minimum
  system requirement is System 6.0.4, and it runs on the Plus or
  anything newer.

  The new version is still a desk accessory. Gone is the DiskTop
  window showing the status of the hard drive volumes. Instead, you
  are offered a window showing information about files on the
  desktop in a columnar format. Alternately, you can open to the
  last folder accessed by DiskTop with the hard drive volume
  information presented, and in the Preferences dialog, you can set
  what appears in the DiskTop window on launch.

  It is now possible to create ten customized views plus the old
  Normal and Technical views. You can also choose the size and
  location of the window. A more modern interface offers 3-D buttons
  and the use of color, though the interface also looks fine on a
  small monochrome screen. You can resize and reorder the columns to
  present the information in the order in which you would like to
  view it. You can choose among Icon, Name, Type, Creator, Data,
  Resource, Modified, Created and Locked. If you select the Make
  Alias command, DiskTop provides a SFDialog box where you can
  decide where to locate the alias, though you cannot rename the
  alias while in the dialog box.

  PrairieSoft included a new version of GOfer with the upgrade. I
  have not tested it as I find that the DiskTop find is adequate for
  my needs. GOfer is not currently compatible with the 68040 chip,
  but Microlytics (the company that makes GOfer) is in the process
  of completing a 68040-compatible version, and DiskTop purchasers
  can get a free copy of that version by filling out and mailing in
  a coupon in the DiskTop package. [In addition, Sue Nail
  <[e-mail]>, PrairieSoft Public Relations Manager, said that
  DiskTop will ship with the 68040-compatible version of GOfer once
  the version is ready. -Tonya]


**Nice Touches** -- The new version offers a number of nice
  enhancements, including:

* Pressing the Command key causes the buttons to display their
  Command key equivalents.

* When copying files, the target window displays only folders,
  since you will not be copying to a file. Logical, and a nice
  touch, though you can also display the files if you want.

* To simplify navigation, you may now add a list of often-used
  folders to each drive on the new Drives pop-up menu. The list
  appears as a submenu for each drive.

* The Path command has been improved to facilitate copying the
  path name of a file to the clipboard, although it's not
  immediately clear that you must click on the volume name in the
  path to enable the Copy Path button. Quite handy, especially for
  scripting.

* Although PrairieSoft is a new company with limited resources, I
  found technical support easily accessible and highly responsive.
  PrairieSoft changed their shipping policies to permit Canadians to
  bypass using UPS (who slap on a $25 fee when a package crosses the
  border).


**Negatives** -- This isn't to say that DiskTop is a perfect
  program, and no matter how useful, few people will use it in favor
  of the Finder most of the time.

* File size is not available as a column unless you are in the
  Normal view. In other views, you must be savvy enough to add the
  size of the Data and Resource forks in order to come up with the
  total size of a file.

* Although the Lock column displays the status, it is not possible
  to lock/unlock a file from the main window; instead, you must use
  the Get Info command while in technical mode. This limitation is
  most unfortunate, and I hope that PrairieSoft will add the
  capability in the near future.

* DiskTop Launch has not improved. It supports one list for your
  most frequently used applications and documents. Multiple lists
  would be of greater use.

* Users of NowCompress will note that DiskTop 4.5 still expands
  files as they copy. The problem occurs due to a flaw of
  NowCompress, not of DiskTop, but it is the only reason why I won't
  use DiskTop as my main copy utility. [This problem may occur with
  other compression utilities as well, since the compression utility
  must recognize DiskTop to allow the copy to proceed without
  decompression. It seems like a feature that a compression utility
  would want for the feature checklist wars. -Tonya]


**Conclusion** -- The improvements to the interface (Command keys,
  customizable views, window sizing, 3-D buttons, often used folders
  submenus) show that much thought and effort went into the upgrade.
  A new manual is included in the price.

  The miser in me objects to the U.S. $30 price tag for the upgrade.
  However, it is encouraging to see work resume on my favorite
  utility. PrairieSoft has plans to further enhance DiskTop and is
  not just capitalizing on name recognition to sell units. DiskTop
  remains the best alternative to the Finder, and I believe that
  PrairieSoft has an excellent future.

    PrairieSoft, Inc. -- 515/225-3720 -- 515/225-2422 (fax)
      <[e-mail]>
    Microlytics, Inc. -- 800-828-6293 -- 715/248-9620


Reviews/30-May-94
-----------------

* MacWEEK -- 16-May-94, Vol. 8, #20
    Radius LeMansGT -- pg. 47
    Server Sentry 2.0 -- pg. 47
    FontChameleon 1.0 -- pg. 50
    Statistics Menu 3.0 -- pg. 54
    DiskTop 4.5 -- pg. 54
    Crystal Ball 3.0 -- pg. 55

* Macworld - Jul-94
    Collage 1.0.1 -- pg. 62
    Apple QuickTake 100 for Macintosh -- pg. 64
    QA-350 LCD -- pg. 65
    microLaser Pro 600 -- pg. 67
    Pablo 2.0.1 -- pg. 69
    Ray Dream Designer 3.0.3 -- pg. 71
    Ear Phone Streamline AV -- pg. 73
    QMS ColorScript Laser 1000 -- pg. 75
    IX-4015 Color Image Scanner -- pg. 77
    TopDown 4.0 -- pg. 77
    WaterMark Message Central 2.0.2 -- pg. 78
    Pointillist -- pg. 83
    MacMoney 4.01 -- pg. 83
    DiskTop 4.5 -- pg. 85
    TurboDialer -- pg. 87
    LabView for Mac 3.0.1 -- pg. 87
    Grolier Multimedia Encyclopedia -- pg. 89
    Helix Express 2.0.1 -- pg. 89
    VirtualDisk 1.1a -- pg. 91
    Automap Road Atlas for Macintosh 2.01 -- pg. 91
    Financial Competence 1.5 -- pg. 93
    Small Blue Planet 1.2.1 -- pg. 93
    PowerBook 500s -- pg. 96
    Photorealistic Color Printers -- pg. 106
      (too many to list)
    Anti-virus Programs -- pg. 116
      Disinfectant 3.3
      MacTools 3
      SAM 3.5
      Virex 5


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