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Join date : 2007-08-16

PostSubject: Playstation Generations   Sun Aug 19, 2007 9:34 pm

Playstation (The original console)

The Sony PlayStation is a video game console of the fifth generation. It was first produced by Sony Computer Entertainment in the mid-1990s. It is a 32-bit system. The original PlayStation was the first of the ubiquitous PlayStation series of console and hand-held game devices, which has included successor consoles and upgrades including the Net Yaroze (a special black PS with tools and instructions to program PS games and applications), PSOne (a smaller version of the original), PocketStation (a handheld which enhances PS games and acts as a memory card), PlayStation 2, a revised, slimline PS2, PlayStation Portable (a handheld gaming console), PSX (Japan only) (a media center, DVR and DVD recorder based on the PS2), and PlayStation 3. By March 2005, the PlayStation/PS one had shipped a total of over 100.49 million units, becoming the first home console to ever reach the 100 million mark.


The PSone (also PSOne, PS one, or PS1), launched in 2000, is Sony's smaller (and redesigned) version of its PlayStation video game console. The PSone is about one-third smaller than the original PlayStation (38mm × 193 mm × 144 mm versus 45 mm × 260 mm × 185 mm). It was released in July 7, 2000,[7] and went on to outsell all other consoles—including Sony's own brand-new PlayStation 2—throughout the remainder of the year. Sony also released a small LCD screen and an adaptor to power the unit for use in cars. The PSone is fully compatible with all PlayStation software. The PlayStation is now officially abbreviated as the "PS1" or "PSone." There were three differences between the "PSone" and the original, the first one being cosmetic change to the console, the second one was the home menu's Graphical User Interface, and the third being added protection against the mod-chip by changing the internal layout and making previous-generation mod-chip devices unusable. The PSone also lacks the original PlayStation's serial port, which allowed multiple consoles to be hooked up for multi-TV multiplayer. The serial port could also be used for an external mod-chip, which may have been why it was removed, although size-constraints may also be to blame.

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PostSubject: Re: Playstation Generations   Sun Aug 19, 2007 9:41 pm

Playstation 2

Technical specifications
The specifications of the PlayStation 2 console are as follows, with hardware revisions:

CPU: 128-bit "Emotion Engine" clocked at 294 MHz (299 MHz on newer versions), 10.5 million transistors
System Memory: 32 MiB Direct Rambus or RDRAM (note that some computers use this type of RAM)
Memory bus Bandwidth: 3.2 Gigabyte per second
Main processor: MIPS R5900 CPU core, 64 bit
Coprocessor: FPU (Floating Point Multiply Accumulator × 1, Floating Point Divider × 1)
Vector Units: VU0 and VU1 (Floating Point Multiply Accumulator × 9, Floating Point Divider × 1), 128 bit, at 150 MHz.
VU0 typically used for physics and other gameplay type things
VU1 typically used for polygon transformations, lighting and other visual based calculations
Floating Point Performance: 6.2 gigaFLOPS (single precision 32-bit floating point)
FPU 0.64 gigaFLOPS
VU0 2.44 gigaFLOPS
VU1 3.08 gigaFLOPS
3D CG Geometric transformation: 66 million polygons/sec
3D CG Geometric transformations under curved surfaces: 16 million polygons/sec
Compressed Image Decoder: MPEG-2
I/O Processor interconnection: Remote Procedure Call over a serial link, DMA controller for bulk transfer
Cache memory: Instruction: 16 KiB, Data: 8 KiB + 16 KiB (ScrP)
Graphics: "Graphics Synthesizer" clocked at 147 MHz
Pixel pipelines: 16
Video output resolution: variable from 256x224 to 1280x1024 pixels
4 MB Embedded DRAM video memory bandwidth at 48 Gigabit per second (main system 32 MiB can be dedicated into vram)
DRAM Bus bandwidth: 48.0 Gb per second
Texture buffer bandwidth: 9.6 Gbit/s
Frame buffer bandwidth: 38.4 Gbit/s
DRAM Bus width: 2560-bit (composed of three independent buses: 1024-bit write, 1024-bit read, 512-bit read/write)
Pixel Configuration: RGB: Alpha:Z Buffer (24:8, 15:1 for RGB, 16, 24, or 32-bit Z buffer)
Dedicated connection to: Main CPU and VU1
Overall Pixel fillrate: 16x147 = 2.352Gpixel/sec(rounded to 2.4Gpixel/sec)
Pixel fillrate: with no texture, flat shaded 2.4(75,000,000 32pixel real-world triangles)
Pixel fillrate: with 1 full texture(Defuse Map), Gouraud shaded 1.2 (37,750,000 32-bit pixel real-world triangles)
Pixel fillrate: with 2 full textures(Defuse map + specular or alpha or other), Gouraud shaded 0.6 (18,750,000 32-bit pixel real-world triangles)
Multi-pass rendering ability
Four passes = 300M pixels/second (300M pixel/sec divided by 32pixel = 9,375,000 triangle/sec lossed every four passes)
Sound: "SPU1+SPU2" (SPU1 is actually the CPU clocked at 8 MHz)
Number of voices: 48 hardware channels of ADPCM on SPU2 plus software-mixed channels
Sampling Frequency: 44.1 kHz or 48 kHz (selectable)
Output: Dolby Digital 5.1 Surround sound, DTS (Full motion video only), later games achieved analog 5.1 surround during gameplay through Dolby Pro Logic II
I/O Processor
CPU Core: Original PlayStation CPU (MIPS R3000A clocked at 33.8688 MHz or 37.5 MHz)
Sub Bus: 32 Bit
Connection to: SPU and CD/DVD controller.
Interface Types:
2 proprietary PlayStation controller ports (250 kHz clock for PS1 and 500 kHz for PS2 controllers)
2 proprietary Memory Card slots using MagicGate encryption (250 kHz for PS1 cards, up to 2 MHz for PS2 cards)
Expansion Bay (PCMCIA on early models for PCMCIA Network Adaptor and External Hard Disk Drive) DEV9 port for Network Adaptor
Modem and Internal Hard Disk Drive
IEEE 1394 (only in SCPH 10xxx – 3xxxx)
Infrared remote control port (SCPH 5000x and newer) — IEEE 1394 port removed and Infrared port added in SCPH-50000 and later hardware versions.
2 USB 1.1 ports with an OHCI-compatible controller.
Disc Drive type: 24x (PlayStation 2 format CD-ROM, PlayStation format CD-ROM), 4x (Supported DVD formats) — Region-locked with anti-copy protection. Can't read "Gold Discs" i.e., normal CD-ROMs.
Supported Disc Media: PlayStation 2 format CD-ROM, PlayStation format CD-ROM, Compact Disc Audio, PlayStation 2 format DVD-ROM (4.7 GB), DVD Video (4.7 GB). Later models are DVD-9 (8.5 GB Dual-Layer), DVD+RW, and DVD-RW compatible.

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PostSubject: Re: Playstation Generations   Sun Aug 19, 2007 9:50 pm

Playstation 3

Central processing unit

The PS3 uses the Cell microprocessor, which is made up of a PowerPC-based "Power Processing Element" (PPE) and six accessible 3.2 GHz Synergistic Processing Elements (SPEs). A seventh runs in a special mode and is dedicated to aspects of the OS and security, and an eighth is disabled to improve production yields. The floating point performance of the whole system (CPU + GPU) is reported to be 2 TFLOPS. PlayStation 3's Cell CPU achieves 204 GFLOPS single precision float and 15 GFLOPS double precision. The PS3 has 256 MB of Rambus XDR DRAM, clocked at CPU die speed.

Graphics processing unit

The Graphics Processing Unit is based on the NVIDIA G70 (previously known as NV47) architecture, which focuses on maximizing per-pixel computation in favor of raw pixel output. The GPU makes use of 256 MB GDDR3 VRAM clocked at 550 MHz with an effective transmission rate of 1.3 GHz and the XDR main memory via the CPU.

The PS3 supports numerous SDTV and HDTV resolutions (from 480i up to 1080p) and connectivity options (such as HDMI 1.3 and component video). In terms of audio, the PS3 supports a number of formats, including 7.1 digital audio, Dolby TrueHD, and others; audio output is possible over stereo RCA cables (analog), optical digital cables, or HDMI. For the optical disc drive, a wide variety of DVD and CD formats are supported, as well as Blu-ray Discs. A 20 GB / 60 GB / 80 GB 2.5" SATA 150 hard disk is pre-installed. In the 60 GB and 80 GB configurations, flash memory can also be used — either Memory Sticks, CompactFlash cards, or SD/MMC cards. All models support USB memory devices; flash drives and external hard drives are both automatically recognized. However, they must be formatted with the FAT32 file system — the PS3 does not support the Microsoft-developed NTFS file system that is the standard in the Windows NT family. For communication, the PS3 has one Gigabit Ethernet port, four USB 2.0 ports, Bluetooth 2.0 support, and built-in Wi-Fi on the 60 and 80 GB versions.

Form factor and power consumption
The PlayStation 3 console is approximately 5 kg, 325 mm (W) × 98 mm (H) × 274 mm (D). The power consumption ranges from 150–200 watts during normal use, despite having a 380 watt power supply.

Official accessories

The PlayStation 3 SIXAXIS is a controller that is very similar in appearance to that of its predecessors, the DualShock and DualShock 2. The SIXAXIS features finer analog sensitivity; more trigger-like R2 and L2 buttons; a PS (“home”) button; and a USB mini-B port for charging the internal battery and for wired play. The PlayStation 3 supports up to 7 simultaneous controllers over Bluetooth, though no game has yet to take advantage of this capability. The SIXAXIS is named for its ability to detect motion in the full six degrees; however, unlike the PlayStation 2's DualShock, the new controller has no vibration feature. However, the support for legacy vibration peripherals introduced in software update v1.70 opens up speculation that a new controller with full vibration features may be released in the future. Official PlayStation 3 HDMI and Component AV cables are also available.

The PlayStation 3 Memory Card Adaptor is a device that allows data to be transferred from PlayStation and PlayStation 2 memory cards to the PlayStation 3's hard disk. The device has a cable that connects to the PS3's USB port on one end, and features a legacy PS2 memory card port on the other end.

Using Bluetooth, the PlayStation 3 BD Remote allows users to control videos and music on Blu-ray Disc and DVD. In Japan, the device was available starting December 7, 2006. The PS3 will accept signals only via its Bluetooth Remote, as the console does not have an infrared receiver; this prevents the use of universal remotes with the system. The Blu-ray Disc movie Talladega Nights: The Ballad of Ricky Bobby was included with the initial 400,000 release copies of the PS3 in North America, while the first 500,000 European PlayStation Network activations after launch received a free copy of the Blu-ray release of Casino Royale.

On April 25, 2007, Sony announced the PlayStation Eye. This is an updated version of the PlayStation 2 peripheral, the EyeToy. The camera is capable of capturing 60 frames per second video at 640×480 resolution and 120 fps video at 320×240 resolution. The four-channel microphone on the Eye can block out background noise. The camera will support live video chat and voice chat without a headset, and will be launched in Japan in the fall of 2007. Upon its initial release there, it will be bundled with the card game The Eye of Judgment: Conquerors of 9 Fields; pricing information is not currently available. Sony also announced that the release date for North America and Europe should be during the 'summer' to coincide with the launch of SingStar for PlayStation 3. Exact dates have not yet been announced.

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