LAB NOTES

LAB NOTES

Princeton graduates. Large, high-definition TV and multimedia displays from Princeton Graphic Systems Inc. of Santa Ana, Calif., work with PCs or Macintoshes as XGA monitors as well as TV receivers.

The Princeton HDTV-ready line supports multiple National Television Standards Committee video sources including S-video, which is sent in two segments, one for color and one for brightness, and the lower-end composite video that combines the signal information.

The 36-inch AR3.6HTX is $3,499, the 32-inch AR3.2HTX $2,499, and the 27-inch AR2.7HTX $1,799. Visit www.prgr.com for more information.

NT patch alert. Microsoft Corp. has written a patch to remedy a weakness in servers that run Microsoft Internet Information Server under Windows NT 4.0.

The patch, released last month, averts denial-of-service attacks arriving through Hypertext Transfer Protocol requests with distorted uniform resource locators. Microsoft did not specify the conditions under which invalid URLs could cause IIS 4.0 to fail. It said failure resulted when the server accessed invalid memory.

Although failure would not cause loss of data on the server, it would affect the Web services and File Transfer Protocol traffic, Microsoft said.

The company recommended restarting IIS, not shutting down the NT operating system, to restore an affected server.

The 375K patch is downloadable from www.microsoft.com/Downloads/Release.asp?ReleaseID=24079.

ReachForm goes wireless. The Wireless Markup Language, an Extensible Mark-up Language subset used by the Wireless Application Protocol to interface with and identify data, powers new ReachForm software from JetForm Corp. of Ottawa.

WAP, WML and the open XML Forms Architecture (XFA) will play roles in opening wireless paths to existing systems. ReachForm lets users send and receive digital forms through wireless devices and interact with Internet or intranet sites via microbrowsers. Its XFA component separates data elements from their graphical presentation.

ReachForm collects and validates the data collected on such a form and submits it to a back-end database. There are three software components: a forms designer, a forms previewer and a forms server.

The forms server delivers a template in the proper form to whatever browser requests it, whether on a PC, a Macintosh or a Linux system. The template might arrive in Hypertext Markup Language, Dynamic HTML or Java. The server adapts text and variable elements such as number of display lines on the fly.

Visit www.jetform.com.

'Carlos A. Soto

E-mail: csoto@gcnlab.com

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