PlayStation 2
 | |
 The original model design and logo of the PlayStation 2. | |
| Manufacturer | Sony Computer Entertainment |
|---|---|
| Product family | PlayStation |
| Type | Video game console |
| Generation | Sixth generation (128-bit era) |
| Lifespan | PlayStation 2
PSX PlayStation 2 Slim |
| Units sold | 140 million (as of October 1, 2009) [1] |
| Media | DVD, CD |
| CPU | 64-bit[2][3] "Emotion Engine" clocked at 294.912 MHz (launch), 299 MHz (newer models) |
| Storage | 40 GB Hard Drive (add-on), PlayStation and PlayStation 2 Memory cards |
| Graphics | "Graphics Synthesizer" clocked at 147.456 MHz |
| Controller input | DualShock 2 |
| Connectivity | 100 Mbit Ethernet/modem adapter, 2x USB 1.1 |
| Online services | Dynamic Network Authentication System |
| Best-selling game | Grand Theft Auto: San Andreas: 17.33 million sold (as of February, 2009)[4] |
| Backward compatibility | PlayStation |
| Predecessor | PlayStation |
| Successor | PlayStation 3 |
The PlayStation 2 (officially abbreviated PS2) is a sixth-generation video game console manufactured by Sony. The successor to the PlayStation, and the predecessor to the PlayStation 3, the PlayStation 2 forms part of the PlayStation series of video game consoles. Its development was announced in March 1999 and it was released a year later in Japan. Its primary competitors were Sega's Dreamcast, Microsoft's Xbox, and the Nintendo GameCube.
The PS2 is the best-selling console to date, having reached over 140 million units sold as of September 30, 2009.[1] Several new games are scheduled to be released in 2010.[5]
Sony have stated that as long as the console is still selling and developers still create games for the console, the life cycle of the PlayStation 2 will continue.[6]
History
Only a few million people had obtained consoles by the end of 2000 due to manufacturing delays.[7] Directly after its release, it was difficult to find PS2 units on retailer shelves.[8] Another option was purchasing the console online through auction websites such as eBay, where people paid over one thousand dollars for a PS2.[9] The PS2 initially sold well partly on the basis of the strength of the PlayStation brand and the console's backward compatibility, selling over 980,000 units in Japan by March 5, 2000, one day after launch.[10] This allowed the PS2 to tap the large install base established by the PlayStation — another major selling point over the competition. Later, Sony added new development kits for game developers and more PS2 units for consumers.
A notable piece of advertising for the PS2 launch was accompanied by the popular "PS9" television commercial. It was to be the epitome of development, toward which the PS2 was the next step. The ad also presaged the development of the PlayStation Portable[citation needed] (first released in Japan on December 12, 2004).
Many analysts predicted a close three-way matchup between the PS2 and competitors Microsoft's Xbox and the Nintendo GameCube (GameCube being the cheapest of the three consoles and had an open market of games); however, the release of several blockbuster games during the 2001 holiday season maintained sales momentum and held off the PS2's rivals.[11]
Although Sony, unlike Sega with its Dreamcast, placed little emphasis on online gaming during its first years[citation needed], that changed upon the launch of the online-capable Xbox. Sony released the PlayStation Network Adaptor in late 2002 to compete with Microsoft, with several online first–party titles released alongside it, such as SOCOM: U.S. Navy SEALs to demonstrate its active support for Internet play. Sony also advertised heavily, and its online model had the support of Electronic Arts. Although Sony and Nintendo both started out late, and although both followed a decentralized model of online gaming where the responsibility is up to the developer to provide the servers, Sony's attempt made online gaming a major selling point of the PS2.
In September 2004, in time for the launch of Grand Theft Auto: San Andreas, Sony revealed a new, slimmer PS2 (see Hardware revisions). In preparation for the launch of the new models (SCPH-70000-90000), Sony stopped making the older models (SCPH-30000-50000) to let the distribution channel empty its stock of the units.[citation needed] After an apparent manufacturing issue—Sony reportedly underestimated demand—caused some initial slowdown in producing the new unit caused in part by shortages between the time the old units were cleared out and the new units were ready. The issue was compounded in Britain when a Russian oil tanker became stuck in the Suez Canal, blocking a ship from China carrying PS2s bound for the UK. During one week in November, British sales totalled 6,000 units — compared to 70,000 units a few weeks prior.[12] There were shortages in more than 1700 stores in North America on the day before Christmas.[13]
The original life span for the Playstation 2 was set at 10 years, but according to Sony, the Playstation 2's lifecycle will continue as long as developers continue to make new games for the system, and as long as the console and is games continue to sell. This is likely to continue for many years to come.[14]
Hardware and software compatibility
In addition to PS2 software, the PS2 can read both CDs and DVDs and is backward compatible with PlayStation games. The PS2 also supports PlayStation memory cards and controllers, although the memory cards only work with PS1 games and the controllers may not support all functions (such as analog buttons) for PS2 games.
The PS2's DualShock 2 controller is essentially an upgraded PlayStation DualShock; analog face, shoulder and D-pad buttons replaced the digital buttons of the original. Like its predecessor, the DualShock 2 controller has force feedback, which is commonly called the "vibration" function.
The standard PlayStation 2 memory card has an 8MB capacity and uses Sony's MagicGate encryption. This requirement prevented the production of memory cards by third parties who did not purchase a license for the MagicGate encryption. Memory cards without encryption can be used to store PlayStation game saves, but PlayStation games would be unable to read from or write to the card - such a card could only be used as a backup. There are a variety of non-Sony manufactured memory cards available for the PlayStation 2, allowing for a larger memory capacity than the standard 8MB. However their use is unsupported and compatibility is not guaranteed.
The console also features USB and IEEE 1394 expansion ports. Compatibility with USB and IEEE 1394 devices is dependent on the software supporting the device. For example, the PS2 BIOS will not boot an ISO image from a USB flash drive or operate a USB printer, as the machine's operating system does not include this functionality. By contrast, Gran Turismo 4 is programmed to save screenshots to a USB mass storage device and print images on certain USB printers. A PlayStation 2 HDD can be installed in an expansion bay on the back of the console, and was required to play certain games, notably the popular Final Fantasy XI[15]. This was only available on certain models (see "Hardware Revisions" below).
Online
Some games on the PlayStation 2 support online multiplayer gaming through the use of a broadband internet connection and a PlayStation 2 Network Adapter. This is integrated into the hardware on "slimline" models, and can be bought as an add-on for the original "fat" models. Some games also allow online gameplay using a Dial-Up connection (not available on all models), or LAN play by connecting two network adapters (or slimline consoles) together directly with an ethernet cable.
Instead of having a unified, subscription-based online service like Xbox Live, online multiplayer on the PS2 is the responsibility of the games publisher and is run on third-party servers. Most recent PS2 online games have been developed to exclusively support broadband internet access. Xbox Live similarly requires a broadband internet connection.
All online PS2 games released in and after 2003 are protected by the Dynamic Network Authentication System (DNAS). The purpose of this system is to prevent piracy and online cheating. DNAS will prevent games from being played online if they are determined to be pirated copies or if they have been modified. However, methods have been developed to get around this protection by modifying key files in the modified game.
Online gameplay can also be achieved by using XLink Kai - unofficial tunneling software that allows for LAN only games to be played over the internet.
In addition to online gaming, some unofficial modifications have been made on the PS2 software allowing it to be used as a fully-functional web browser or messenger when connecting to a certain network. This can also be done through PS2 Linux.
Hardware revisions
The PS2 has undergone many revisions, some only of internal construction and others involving substantial external changes. These are colloquially known among PS2 hardware hackers as V0, V1, V2, etc., up to V18[16] (as of 2010). Each revision is released in different regions with a different model number. For example, the V18 was released in NA as SCPH-90001, in AU as SCPH-90002, and in HK as SCPH-90006. The final digit is simply a region code and has no bearing on the hardware other than region lock-outs (for games and DVDs) and language options within the system software.
The PS2 is primarily differentiated between models featuring the original case design and "slimline" models, which were introduced at the end of 2004.
Original case design
Three of the original PS2 launch models (SCPH-10000, SCPH-15000, and SCPH-18000) were only sold in Japan, and lacked the expansion bay of current PS2 models. These models included a PCMCIA slot instead of the expansion bay port of newer models. SCPH-10000 and SCPH-15000 did not have a built-in DVD movie playback and instead relied on encrypted playback software that was copied to a memory card from an included CD-ROM. (Normally, the PS2 will only execute encrypted software from its memory card, but see PS2 Independence Exploit.) V3 had a substantially different internal structure from the subsequent revisions, featuring several interconnected printed circuit boards. As of V4 everything was unified into one board, except the power supply. V5 introduced minor internal changes, and the only difference between V6 (sometimes called V5.1) and V5 is the orientation of the Power/Reset switch board connector, which was reversed to prevent the use of no-solder modchips. V7 and V8 included only minor revisions to V6. Assembly of the PS2 moved to the People's Republic of China during the development of V9 (model numbers SCPH-50000 and SCPH-50001). The upgraded console added an infrared port for the optional DVD remote control, removed the IEEE 1394 port, added the capability to read DVD-RW and DVD+RW discs, added progressive-scan output of DVD movies, and added a quieter fan[citation needed]. V10 and V11 were only minor revisions to V9.
The PS2 standard color is matte black. Several different variations in color have been produced in different quantities and regions, including ceramic white, light yellow, metallic blue (aqua), metallic silver, navy (star blue), opaque blue (astral blue), opaque black (midnight black), pearl white, Sakura purple, satin gold, satin silver, snow white, super red, transparent blue (ocean blue) and also Limited Edition color Pink which was distributed in some regions such as Oceania, and parts of Asia.[17][18][19][20]
The small PlayStation logo on the front of the disc tray could be rotated ninety degrees, in order for the logo to be the right way up in both vertical and horizontal console orientations. This feature is also used in the slimlines.
Slimline
 The first PS2 slimline. This was succeeded by another slimline in 2007. | |
| Manufacturer | Sony Computer Entertainment |
|---|---|
| Product family | PlayStation |
| Type | Video game console |
| Generation | Sixth generation era |
| Lifespan | October 2004 - Present |
| CPU | 300 MHz |
| Controller input | DualShock 2 |
| Connectivity | 2x USB 1.1/Ethernet/IrDA/2x Dualshock ports. |
In September 2004, Sony unveiled its third major hardware revision (V12, model number SCPH-70000). Available in late October 2004, it is smaller, thinner, and quieter than the older versions and includes a built-in Ethernet port (in some markets it also has an integrated modem). Due to its thinner profile, it does not contain the 3.5" expansion bay and therefore does not support the internal hard disk drive. It also lacks an internal power supply, similar to the GameCube, and has a modified Multitap expansion. The removal of the expansion bay has been criticized as a limitation due to the existence of titles such as Final Fantasy XI, which require the use of the HDD. The official PS2 Linux also requires an expansion bay to function. Currently only the modified Multitap is sold in stores, however these are also compatible with the older versions, and also added support for multiple memory cards on some games. Third-party connectors can be soldered into the unit giving hard drive support, however IDE connections were completely removed in the V14 revision, thereby eliminating this option. Certain mod chips enable the use of a USB hard drive or other mass storage device.
There are some disputes on the numbering for this PS2 version, [citation needed] since there are actually two sub-versions of the SCPH-70000. One of them includes the old EE and GS chips, and the other contains the newer unified EE+GS chip, but otherwise they are identical. Since the V12 version had already been established for this model, there were some disputes regarding these sub-versions. Two propositions were to name the old model (with separate EE and GS chips) V11.5 and the newer model V12, and to name the old model V12 and the newer model V13. Currently, most people use V12 for both models, or V12 for the old model and V13 for the newer one.
The V12 model was first released in black, but a silver edition is available in the United Kingdom, Germany, Australia, United Arab Emirates and other GCC Countries, France, Italy, South Africa, and most recently, North America. It is unknown whether or not this will follow the color schemes of the older model, although a limited edition console that is pink in colour has become available since March 2007.
V12 (or V13) was succeeded by V14 (SCPH-75001 and SCPH-75002), which contains integrated EE and GS chips, and different ASICs compared to previous revisions, with some chips having a copyright date of 2005, compared to 2000 or 2001 for earlier models. It also has a different lens and some compatibility issues with a different number of PlayStation games and even some PS2 games[21].
In the beginning of 2005 it was found that some black slimline console power transformers manufactured between August and December 2004 were defective and could overheat. The units were recalled by Sony, with the company supplying a replacement model made in 2005[22].
Later hardware revisions had better compatibility with PlayStation games (Metal Gear Solid: VR Missions operates on most silver models); however, the new Japanese slim models have more issues with playing PlayStation games than the first PS2 revisions. [citation needed]
In 2006, Sony released new hardware revisions (V15, model numbers SCPH-77001a and SCPH-77001b). It was first released in Japan on September 15, 2006, including the Silver edition. After its release in Japan, it was then released in North America, Europe, and other parts of the world. The new revision uses an integrated, unified EE+GS chip, a redesigned ASIC, a different laser lens, an updated BIOS, and updated drivers[citation needed].
In July 2007, Sony started shipping a revision of the slimline PlayStation 2 (SCPH-79000) featuring a reduced weight of 600 grams compared to 900 grams of the SCPH-77001 (with Expansion Bay), achieved through a reduction in parts. The unit also uses a smaller motherboard as well as a custom ASIC which houses the Emotion Engine, Graphics Synthesizer, and the RDRAM. The AC adaptor's weight was also reduced to 250 grams from the 350 grams in the previous revision.[23]
Another refinement of the slimline PlayStation 2 (SCPH-90000) was released in Japan on November 22, 2007[24], and in the US in late 2008[citation needed], with an overhauled internal design that incorporates the power supply into the console itself, with a further reduced total weight of 720 grams. SCPH-90000 series consoles manufactured after March 2008 incorporate a revised BIOS, which disables an exploit present in all older models that allowed homebrew applications to be launched from a memory card.
The Playstation 2 Slimline is also currently the only variant of the console being manufactured by Sony.
PSX
Sony also manufactured a consumer device called the PSX that can be used as a digital video recorder and DVD burner in addition to playing PS2 games. The device was released in Japan on December 13, 2003, and is the first Sony product to include the XrossMediaBar interface. It did not sell well in the Japanese market and was not released anywhere else.[25]
Sales
| Region | Units sold | First available |
|---|---|---|
| Japan | 21 million (as of October 1, 2008)[26] | March 4, 2000 |
| North America | 50 million (as of December 2008)[27] | October 26, 2000 |
| Europe | 48 million (as of May 6, 2008)[28] | November 24, 2000 |
| Worldwide | 140 million (as of October 1, 2009) [1] |
On November 29, 2005, the PlayStation 2 became the fastest game console to reach 100 million units shipped, accomplishing the feat within 5 years and 9 months from its launch. This achievement occurred faster than its predecessor, the PlayStation, which took 9 years and 6 months to reach the same benchmark.[29]
The PS2 has sold 140 million sell-in units worldwide as of September 30, 2009, according to Sony.[1] In Europe, the PS2 has sold 48 million units as of May 6, 2008, according to Sony Computer Entertainment Europe.[28] In North America, the PS2 has sold 50 million units as of December 2008.[27] In Japan, the PS2 has sold 21,454,325 units as of October 1, 2008, according to Famitsu/Enterbrain.[26]
In Europe, the PS2 sold 6 million units in 2006 and 3.8 million in 2007, according to estimates by Electronic Arts.[30][31] In 2007, the PS2 sold 3.97 million units in the US according to the NPD Group[32][33] and 816,419 units in Japan according to Enterbrain.[34] In 2008, the PS2 sold 480,664 units in Japan, according to Enterbrain.[34][35]
Accessories
The PlayStation 2's DualShock 2 controller is largely identical to the PlayStation's DualShock, with the same basic functionality; however, it includes analog pressure sensitivity on the face, shoulder and D-pad buttons, is lighter and includes two more levels of vibration.
Optional hardware includes DualShock or DualShock 2 controllers, a PS2 DVD remote control, an internal or external HDD, a network adapter, horizontal and vertical stands, PlayStation or PS2 memory cards, light guns (GunCon), fishing rod and reel controllers. Also available are various cables and interconnects, including the Multitap for PlayStation or PS2, S-Video, RGB, SCART, VGA (for progressive scan games and PS2 Linux only), component and composite video cables, an RF modulator, a USB camera (EyeToy), dance pads for Dance Dance Revolution, In the Groove, and Pump It Up titles, Konami microphones for use with the Karaoke Revolution games, dual microphones (sold with and used exclusively for SingStar games), various "guitar" controllers (for the Guitar Freaks series and Guitar Hero series), the drum set controller (sold in a box set (or by itself) with a "guitar" controller and a USB microphone (for use with Rock Band and Guitar Hero series(World Tour and newer)), Onimusha 3 katana controller, Resident Evil 4 chainsaw controller, a USB keyboard and mouse, and a headset. Unlike the PlayStation, which required the use of an official Sony PlayStation mouse to play mouse-compatible games, the few PS2 games with mouse support work with standard PC-compatible USB mice. Early versions of the PS2 could be networked via an iLink port, though this had little game support and was dropped. The original PS2 multitap cannot be plugged into the newer slim models (as the multitap connects to the memory card slot as well as the controller slot and the memory card slot on the slimline is shallower). New slim-design multitaps are manufactured for these models, however third-party adapters also exist to permit original multitaps to be used. Some third party manufacturers have created devices that allow disabled people to access the PS2 through ordinary switches etc. One such device is the PS2-SAP from LEPMIS, another is for example the JPemulator.
Homebrew development
Sony released a version of the Linux operating system for the PS2 in a package that also includes a keyboard, mouse, Ethernet adapter and HDD. Currently, Sony's online store states that the Linux kit is no longer for sale in North America. However as of July 2005, the European version was still available. The kit boots by installing a proprietary interface, the run-time environment, which is on a region-coded DVD, so the European and North America kits only work with a PS2 from their respective regions.
In Europe and Australia, the PS2 comes with a free Yabasic interpreter on the bundled demo disc. This allows simple programs to be created for the PS2 by the end-user. This was included in a failed attempt to circumvent a UK tax by defining the console as a "computer" if it contained certain software.[citation needed]
A port of the NetBSD project and BlackRhino GNU/Linux, an alternative Debian-based distribution, are also available for the PS2.
Using homebrew programs (e.g. 'SMS Media Player'[36]) it is possible to listen to various audio file formats (MP3, OMA, Ogg Vorbis, AAC, FLAC, AC3), and watch various video formats (DivX/XviD, MPEG1, MPEG2, MPEG4-ASP in AVI Container) using the console. Media can be played from any device connected to the console i.e. external USB/Firewire thumb drive/hard disk (FAT32 only), the internal hard disk on early revision consoles, optical CD-R(W)/DVD±R(W) disks (modded systems or patched disks), or network shares (Windows Network or PS2 host: protocol).
Homebrew programs can be launched directly from a memory card on unmodified consoles by using certain software that takes advantage of a long known and used exploit, dealing with the boot part of the EE/IOP process (Independence). A recent development (May 2008) allows homebrew programs to be launched without a trigger disc such as is needed in the older exploit, which also allows use of homebrew on unmodded systems with a dead disc drive (Free McBoot). However, installation of the exploit to each individual memory card requires an already exploited/modded system in order to launch the installer. Copying from one memory card to another will not work. This newer exploit will not work on the very newest PS2s (SCPH-9000x model with BIOS 2.30 and up) but will work on ALL models prior to that, including slimlines.
Homebrew programs can be used to play patched backups of original PS2 DVD games on unmodified consoles, and to install retail discs to an installed hard drive on older models (ESR, HDLoader, USBAdvance). This is illegal in many countries.
Homebrew emulators of older computer and gaming systems have been developed for the PS2[37]. Using these homebrew programs the PS2 can emulate the following: Atari 2600, Atari 5200, BBC Micro, Commodore 64, Game Boy, Mega Drive/Genesis, Sega Master System, MSX, Neo Geo, Nintendo Entertainment System, TurboGrafx-16, and Super Nintendo Entertainment System.
Technical specifications
The specifications of the PlayStation 2 console are as follows, with hardware revisions:
|
 
|
- Disc Drive type: proprietary interface through a custom micro-controller + DSP chip. 24x speed (PlayStation 2 format CD-ROM, PlayStation format CD-ROM), 4x (Supported DVD formats) — Region-locked with anti-copy protection. Can't read Gold Discs.
- Supported Disc Media: PlayStation 2 format CD-ROM, PlayStation format CD-ROM, Compact Disc Audio, PlayStation 2 format DVD-ROM (4.7 GB)(some games on DVD9 8.5 GB), DVD Video (4.7 GB), DVD-9 (8.5 GB Double-Layer). Later models (starting with SCPH-50000) are DVD+RW, and DVD-RW compatible.
Disc Read Error (DRE) Lawsuit
A class action lawsuit was filed against Sony Computer Entertainment America Inc. on July 16, 2002, in the Superior Court of California, County of San Mateo. The lawsuit addresses consumer reports of inappropriate "no disc error" (disc read error) messages and other problems associated with playing DVDs and CDs on the PlayStation 2.
Sony settled its “disc read error” lawsuit by compensating the affected gamers with USD $25, a free game from a specified list, and the reduced cost repair or replacement (at SCEA’s discretion) of the damaged system. This settlement was subject to the courts’ approval, and hearings began in the US and Canada on April 28, 2006, and May 11, 2006, respectively.[41]
See also
- HDD Utility Disc
- PlayStation Broadband Navigator
- PCSX2 - a PlayStation 2 (PS2) emulator for the Microsoft Windows and Linux operating systems
References
- ^ a b c d "SONY COMPUTER ENTERTAINMENT ASIA STARTS ITS PLAYSTATION® BUSINESS IN REPUBLIC OF INDONESIA". SCEI. 2010-01-08. Retrieved 2010-02-13.
- ^ a b John L. Hennessy and David A. Patterson. "Computer Architecture: A Quantitative Approach, Third Edition". ISBN 1-55860-724-2
- ^ a b Keith Diefendorff. "Sony's Emotionally Charged Chip". Microprocessor Report, Volume 13, Number 5, April 19, 1999. Microdesign Resources.
- ^ Guinness World Records 2009 Gamer's Edition. pp. 108–109. ISBN 1904994459.
GTA: San Andreas is the best-selling PlayStation 2 game of all time, with a massive 17.33 million copies sold.
{{cite book}}: Check|isbn=value: checksum (help) - ^ http://www.gamestracker.com/ps2-release-dates.htm
- ^ http://www.gamertell.com/gaming/comment/ps2-turns-nine-sony-says-systems-life-cycle-will-continue/
- ^ "PS2 history". gamesindustry.biz. 2006-11-22. Retrieved 2007-09-25.
- ^ "PlayStation 2 Timeline". GameSpy. pp. 2–3. Retrieved 2007-12-19.
- ^ "PlayStation 2 Timeline". GameSpy. p. 3. Retrieved 2007-12-19.
- ^ "PlayStation 2 Timeline". GameSpy. p. 2. Retrieved 2007-12-19.
- ^ Morris, Chris (2002-05-14). "Sony slashes PlayStation prices: Preemptive move undercuts competition and could spark video game price war". CNN.
- ^ Elliott, Valerie (2004-12-09). "Merry Christmas, your PlayStation 2 is stuck in Suez". Times Online. News International.
- ^ "2004 Holiday Sales Results Call". GameStop. Retrieved 2006-09-09.
- ^ http://www.gamertell.com/gaming/comment/ps2-turns-nine-sony-says-systems-life-cycle-will-continue/
- ^ http://uk.gamespot.com/ps2/rpg/finalfantasy11/review.html
- ^ "PS2 Version Table". Eurasia.
- ^ Calvert, Justin (2003-11-04). "PS2 price drop, new colors for Japan". GameSpot. Retrieved 2007-07-10.
- ^ Fahey, Rob (2004-03-09). "Sony launches new PS2 colours in Japan". gamesindustry.biz. Retrieved 2007-07-10.
- ^ A list of all console colors and console Limited Editions. Consolecolors.com
- ^ Williams, Martyn (2001-10-14). "Sony: New hues on PlayStation 2". CNN. Retrieved 2007-07-10.
- ^ "PS2 SCPH-75000 Compatibility Issues". geek.com. 24th October 2005. Retrieved 7th April 2010.
{{cite web}}: Check date values in:|accessdate=and|date=(help) - ^ "Sony recalls 'millions' of PS2 power adaptors". The Register. 13th September 2005. Retrieved 6th April 2010.
{{cite web}}: Check date values in:|accessdate=and|date=(help) - ^ Gantayat, Anoop (2007-06-08). "PS2 Gets Lighter". IGN.com. Retrieved 2007-07-10.
- ^ PlayStation2 (SCPH-90000 SERIES) comes in a new design and in three color variations | Press releases｜Sony Computer Entertainment Inc
- ^ Fahey, Rob (2004-09-06). "Japanese retailers slash PSX prices as sales remain slow". gamesindustry.biz. Retrieved 2007-07-10.
- ^ a b Brightman, James (2008-10-20). "Xbox 360 Growth in Japan Has Topped All Platforms from March to September". GameDaily. AOL. Retrieved 2008-10-25.
- ^ a b Koller, John (January 15, 2009). "PS2 Sells Over 50 Million Units in North America, Breaks Console Sales Record". PlayStation.Blog. Retrieved 2009-01-17.
- ^ a b Ellie Gibson (2008-05-06). "PS3 has outsold Xbox 360 in Europe". Eurogamer. Retrieved 2008-10-25.
- ^ "PlayStation 2 Breaks Record as the Fastest Computer Entertainment Platform to Reach Cumulative Shipment of 100 Million Units" (PDF) (Press release). Sony Computer Entertainment. 2005-11-30. Retrieved 2008-06-08.
- ^ Electronic Arts (2008-01-31). "Supplemental Segment Information" (PDF). Thomson Financial. p. 4. Retrieved 2008-02-09.
- ^ David Jenkins (2008-02-01). "EA Reveals European Hardware Estimates". Gamasutra. Retrieved 2008-02-09.
- ^ James Brightman (2008-01-17). "NPD: U.S. Video Game Industry Totals $17.94 Billion, Halo 3 Tops All". GameDaily. Retrieved 2008-08-02.
- ^ Boyer, Brandon (2008-01-18). "NPD: 2007 U.S. Game Industry Growth Up 43% To $17.9 Billion". Gamasutra. Retrieved 2008-08-02.
- ^ a b "Japanese 2008 Market Report". Market for Home Computing and Video Games. 2009-01-09. Retrieved 2009-01-15.
- ^ "2008年国内ゲーム市場規模は約5826億1000万円（エンターブレイン調べ）". Famitsu (in Japanese). Enterbrain. 2009-01-05. Retrieved 2009-01-15.
- ^ Simple Media System for PlayStation 2 - http://home.casema.nl/eugene_plotnikov/
- ^ PS2 Emulators - http://www.sksapps.com/index.php?page=emus.html
- ^ Power of PS2 (See data handling)
- ^ Power of PS2 (See GS effects)
- ^ PS2 Programming Optimisations
- ^ Sony Settles PS2 "Disc Read Error" Class Action Gamasutra, November 10, 2005
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