The Full Wiki

Softmod: Wikis

Advertisements
  

Note: Many of our articles have direct quotes from sources you can cite, within the Wikipedia article! This article doesn't yet, but we're working on it! See more info or our list of citable articles.

Encyclopedia

From Wikipedia, the free encyclopedia

A softmod is the act of using software to modify the intended behaviour of hardware, such as video cards, sound cards, or game consoles in a way that can unlock or enable disabled features.

Contents

Video card softmods

Video cards that can be modified using software to faster versions (without regard to clock speed) usually contain mostly the same hardware. Softmodding a card should not include changing the video card's BIOS, as that is a BIOS flash. Currently only four softmods are known, a Radeon 9500 NP to a 9500 Pro (128 bit) or 9700 (256 bit), a Radeon 9800SE (with 256-bit L-shaped memory layout on the PCB) to a Radeon 9800 Pro, a GeForce 6200 to a 6600, and a GeForce 6800NU to a 6800GT. The act of a softmod usually enables pixel rendering pipelines, though may also include other enhancements. A softmodded card may not always reach the same performance as the real card it has been changed to, but the difference should be very little; and generally not noticeable. The softmodding is not guaranteed to always work; sometimes the pipelines have been disabled for a reason, e.g., a defect that produces artifacts when enabled.

Xbox softmods

Softmod is also a term used to refer to modifying a Xbox without the use of a mod chip.

Softmods for Xbox used to include a font exploit installed through exploits in savegame code for MechAssault, Splinter Cell, and 007: Agent Under Fire. Usage of the Splinter Cell disc is generally recommended as any version of the game will run the exploit, whereas certain production runs of Mechassault and Agent Under Fire are needed to use the exploit. Originally, via a piece of software called "MechInstaller" created by members of the Xbox-linux team, an additional option could be added to the Xbox Dashboard for booting Linux. The Font-hack works by exploiting a buffer underflow in the Xbox font loader which is part of the dashboard. Unfortunately, since the Xbox requires the clock to be valid and the dashboard itself is where you set the clock there is problem if the RTC backup capacitor discharges. The Xbox will detect that the clock isn't set and therefore force the dashboard to be loaded which then promptly reboots due to the buffer overflow exploit. Upon restarting, the Xbox detects the clock is invalid and the process repeats. This became known as the infamous "clockloop".

PSP Softmodding

Much like the Xbox, it is possible to softmod most any PSP. Using various exploits (TIFF Exploit, Grand Theft Auto: Liberty City Stories save game exploit or the Lumines game save exploit) or original unprotected firmware, the user can run a modified version of the PSPs updater, that will install custom firmware. This newer firmware allows the booting of ISOs, as well as running unauthorized (homebrew) code.

Wii Softmodding

Wii softmodding is also closely related to the methods used to softmod Xbox's and PSP's. The first known method of loading unsigned code on a Wii (without a hardware mod) is known as the Twilight hack. This allowed users to run unsigned .dol/.elf files. Another exploit known as Bannerbomb allows the user to run unsigned code on the console without any game. Bannerbomb works by uploading a malformed banner to the system, which crashes it and allows the user to run an executable. Currently there are many other modifications, such as: a channel to load many homebrew applications organized into a folder, backup disc loaders, USB hard drive ISO loaders, and many more applications.

External links

Advertisements

Advertisements






Got something to say? Make a comment.
Your name
Your email address
Message