NETROOM is a
DOS memory manager produced by
Helix Software Company
Helix Software Company was a New York City based software company founded in October 1986. The company developed software tools and utilities for DOS and Windows. In 1993, Helix licensed some of its memory management technology to Microsoft for ...
in the 1990s. Introduced in August 1990, NETROOM was originally titled "LAN Memory Manager." Version 1.0 of NETROOM was a re-packaged version of Helix's
HeadRoom with the HeadRoom Network Extensions, bundled together and targeted to network users. NETROOM loaded network drivers into a
virtual machine
In computing, a virtual machine (VM) is the virtualization/ emulation of a computer system. Virtual machines are based on computer architectures and provide functionality of a physical computer. Their implementations may involve specialized har ...
created using an
expanded memory page frame. NETROOM allowed this virtual machine to run as a
multitasked background process. NETROOM included support for
Novell
Novell, Inc. was an American software and services company headquartered in Provo, Utah, that existed from 1980 until 2014. Its most significant product was the multi- platform network operating system known as Novell NetWare.
Under the l ...
NetWare,
Banyan VINES, and
LAN Manager networks. NETROOM was originally available only in multi-user packs starting with a four user license.
Helix introduced version 1.10 of NETROOM, in January 1991, with a single-user license. This version included support for
Microsoft Windows 3.0, and added an integrated 286 and 386
expanded memory manager
Management (or managing) is the administration of an organization, whether it is a business, a nonprofit organization, or a government body. It is the art and science of managing resources of the business.
Management includes the activities ...
. The NETROOM 286/386 memory manager provided access to
expanded memory and
extended memory on
Intel
Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the devel ...
80386 or newer systems as well as on
Intel 80286 systems based on the
Chips and Technologies NEAT chipset.
In June 1991, NETROOM v2.0 added
MS-DOS
MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few oper ...
5 compatibility and an automatic setup and configuration tool named "Customize." NETROOM 2.0 continued to focus on virtual machine task-switching as its primary memory management technology.
In January 1992, NETROOM v2.1 added a "Quantum" memory management feature which could relocate the
system and
video BIOS into the
High Memory Area.
In 1992 Helix licensed some of the technology from NETROOM 2.1 to
Microsoft
Microsoft Corporation is an American multinational corporation, multinational technology company, technology corporation producing Software, computer software, consumer electronics, personal computers, and related services headquartered at th ...
. This technology was incorporated into the
EMM386 and
MEMMAKER programs in
MS-DOS 6, which was released in
March 1993.
Concurrently with the release of MS-DOS 6, Helix released NETROOM v3.0 which included the
Helix Cloaking technology. NETROOM 3 contained a variety of cloaked utilities, including
system and
video BIOS licensed from
Award Software, an animated screen saver, a disk cache, and a
RAM drive.
The final version of NETROOM, v3.04, was released in late 1994 and included compatibility with
Windows 95
Windows 95 is a consumer-oriented operating system developed by Microsoft as part of its Windows 9x family of operating systems. The first operating system in the 9x family, it is the successor to Windows 3.1x, and was released to manufactu ...
. The
Cloaking driver continued as the basis for the
Multimedia Cloaking and
Multimedia Stacker
A disk compression software utility increases the amount of information that can be stored on a hard disk drive of given size. Unlike a file compression utility, which compresses only specified files—and which requires the user to designate th ...
products released in 1994 and 1995.
References
{{Reflist, refs=
[{{cite journal, title=Go Where No Network Has Gone Before , url=https://books.google.com/books?id=tqJbouvq9SkC&q=helix%20netroom&pg=PT77, page=65, accessdate=30 April 2015, date=29 Sep 1990]
[{{cite journal, title=NETROOM Adds Memory Manager, Windows Compatibility , url=https://books.google.com/books?id=fVAEAAAAMBAJ&q=helix%20netroom&pg=PA33, page=33, accessdate=30 April 2015, date=21 Jan 1991]
[{{cite journal, title=LAN Memory Management , url=https://books.google.com/books?id=X_tru4xwJ_sC&q=helix%20netroom&pg=PT239, first=Frank, last=Derfler, page=226, accessdate=30 April 2015, date=29 Jan 1991]
[{{cite journal, title=MicroBits , url=https://books.google.com/books?id=2c1yzy6rYhwC&q=helix%20netroom&pg=PA41, page=41, accessdate=1 May 2015, date=6 May 1991]
[{{cite journal, title=Helix brings out memory aid , url=https://books.google.com/books?id=aZmDhPVONZkC&q=helix%20netroom&pg=PA104, page=104, accessdate=1 May 2015, date=8 Jul 1991]
[{{cite journal, title=Only NETROOM , url=https://books.google.com/books?id=rNcvvlvuwlIC&q=helix%20netroom%20quantum&pg=PT48, page=47, accessdate=30 April 2015, date=14 Jan 1992]
[{{cite journal, title=Memory Management , url=https://books.google.com/books?id=FeIuiOQN-nEC&q=helix%20netroom%20quantum&pg=PT261, first=Barry, last=Simon, page=248, accessdate=30 April 2015, date=11 Feb 1992]
[{{cite book, title=The Ultimate Utility Guide, url=https://books.google.com/books?id=NGNpFuAXu70C&q=microsoft%20helix%20license%20dos%206&pg=PA172 , first=Larry, last=Seltzer , page=172, accessdate=1 May 2015, date=14 May 1996]
[{{cite book, title=Best Utilities, url=https://books.google.com/books?id=XNt4ttAFAiwC&q=pc%20magazine%20netroom%20helix&pg=PA134, first=Rick, last=Ayre , accessdate=1 May 2015, date=14 September 1993, page=134]
[{{cite book, title=Managing Memory , url=https://books.google.com/books?id=SZtn0ArSohkC&q=helix%20netroom&pg=PA30, first=Robin, last=Raskin , accessdate=1 May 2015, date=30 March 1993, page=30]
Memory management software