The Pentagon home computer, manufactured in former Soviet Union, is a clone of the British-made SinclairZX Spectrum 128. Its PCB was illegally copied all over the USSR, which made it the most widespread Soviet ZX Spectrum clone. Later models featured a "turbo" mode that allowed for higher processor speed than the original's 3.50 MHz. The home computer is a consumer-friendly word for the second generation of microcomputers (the technical term that was previously used), entering the market in 1977 and becoming common during the 1980s. ... Sinclair Research Ltd was a home computer company founded by Clive Sinclair in Cambridge, England. ... The Sinclair ZX Spectrum was a small home computer released in the United Kingdom in 1982 by Sinclair Research. ...
The latest model is Pentagon 1024, which includes most of the upgrades of standard Spectrum architecture, including 1024 kB RAM, BetaDisc controller and NemoBus.
External links
Russian most popular Spectrum models (http://www.worldofspectrum.org/rusfaq/)
Pentagon 1024 official site, in Russian (http://www.pentagon1024.narod.ru/)
By Sinclair Research and Amstrad: ZX80 | ZX81 | ZX Spectrum, Spectrum+, Spectrum 128, +2 and +3 (the latter two by Amstrad) | Sinclair QL By others: Timex Sinclair 1000 | TS 1500 | TS 2048 | TS 2068 | SAM Coupé | Didaktik | Hobbit | Sprinter | Pentagon Sinclair Research Ltd was a home computer company founded by Clive Sinclair in Cambridge, England. ... The following is a list of clones of Sinclair Researchs ZX80 and ZX81 home computers: CP200 CP300 CZ 1000 CZ 1500 CZ 2000 DEF 3000 Futura 8300 Lambda 8300 MicroAce NE Z80 NE Z8000 PC 8300 Power 3000 Ringo R470 Timex-Sinclair 1000 Timex-Sinclair 1500 TK 82 TK... The following is a list of clones of Sinclair Researchs ZX Spectrum home computer: ATM AZX-Monstrum Baltica Best III Bi Am ZX-Spectrum 48/64 Bi Am ZX-Spectrum 128 Cobra CIP-03 Composite Delta Delta S-128 Didaktik Gamma Didaktik Kompakt Didaktik M Digra Ella Ra Elwro... The following is a list of clones of Sinclair Researchs Sinclair QL microcomputer: Computerphone ICL One Per Desk Merlin Tonto Thor Q40 / Q60 QPC Software Emulator Categories: Home computers ... Amstrad Consumer Electronics plc, usually known as Amstrad, is a company formed in 1968 by Sir Alan Michael Sugar in the UK, and based in Brentwood in Essex, England. ... The Sinclair ZX80 was a home computer brought to market in 1980 by Sinclair Research. ... The Sinclair ZX81 home computer, released by Sinclair Research in 1981, was the followup to the companys ZX80. ... The Sinclair ZX Spectrum was a small home computer released in the United Kingdom in 1982 by Sinclair Research. ... The Sinclair QL, QL for Quantum Leap, was a personal computer system launched by Sinclair Research in January, 1984. ... The Timex Sinclair 1000 (TS1000) was the result of a joint effort between British company Sinclair Research and Timex Corporation in an effort to gain an entry into the rapidly-growing early 1980s home computer market in the United States. ... The TS1500 was a slightly-upgraded development of the Timex Sinclair TS1000. ... The Timex Sinclair 2048 was an enhanced version of the Sinclair ZX Spectrum computer. ... The Timex Sinclair 2068 (TS2068), released in November 1983, was Timex Sinclairs fourth and last home computer for the U.S. market. ... The SAM Coupé was an 8-bit British home computer that was first released in late 1989. ... The Didaktik was a series of home computers based on the Zilog Z80 processor produced in former Czechoslovakia. ... Hobbit is a Soviet/Russian 8-bit home computer, based on the Sinclair ZX Spectrum hardware architecture. ... The Sprinter is a microcomputer made by Peters Plus, Ltd. ...
An aerial view of the Pentagon, headquarters of the Department of Defense, in Washington, DC.
Pentagon officials said none of their operations were disrupted.
The Pentagon does suspect the Chinese People's Liberation Army (PLA) of operating secret cells of computer hackers, although not officially pointing a finger at Beijing in this instance.
Pentagoncomputers are under a "coordinated, organized" attack from hackers, according to Rep. Curt Weldon, R-Pennsylvania, who held a classified hearing on the problem.
Pentagon sources say investigators traced a number of the attacks to sites in Russia, but it was not known whether the sources were government or non-governmental.
Pentagon officials say no classified computer systems have been breached, but Rep. Weldon said there was fear that the attackers may have penetrated systems that could lead to access to classified systems.
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