Service Disc

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Service Disc
Developer(s) Nintendo
Publisher(s) Nintendo
Platform(s) GameCube
Genre(s) Utility
Mode(s) Single-player
Input methods GameCube Controller
Compatibility 3Stars3.pngEdit rating: Service Disc
Starts
GameIDs 301E01
See also...

Dolphin Forum thread
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The GameCube Service Disc is used to perform diagnostic testing of a GameCube.

Emulation Information

Improper GameCube Font

Due to copyright concerns Dolphin is unable to include official GameCube fonts, and instead uses Droid Sans. Unfortunately Droid Sans does not align well with the size/kerning of the official GameCube font, which can cause text to be misplaced, dialogs to display improperly, and other issues due to augmented text sizes.

This can be corrected by including a region appropriate GameCube IPL (i.e. BIOS ROM) under <Dolphin User Folder>/GC/. A GameCube "IPL.bin" can be acquired from a real GameCube using Swiss. Refer issue 8362. GameCube BIOS files used by Dolphin are named "IPL.bin", but may have other titles depending on their source, and should be 2,097,152 bytes in size. One exists for each major GameCube region (JP, NA, EU). The known BIOS CRC32 checksums below can be used to validate files, but variations with other checksums may exist.

NA CRC32 EU CRC32 JP CRC32
6d740ae7

D5E6FEEA

86573808

4F319F43

DD8CAB7C

AD1B7F16

6DAC1F2A

D235E3F9

8BDABBD4

Problems

Audio

  • The car demo and Optical Disc Drive Audio test results in a warning from Dolphin: "Interesting - Software triggered Decrementer exception" when it exits. Refer issue 8352.

Accessory Tests / Controller Test

  • Results in "SI:Unknown command (0x43)" error from Dolphin when the test starts.
  • The Control Stick test is near impossible to pass without using a real GameCube controller and a Wii U Adapter due to diagonal ranges being over 75.
  • "Press the A Button to continue." text appears offset from the black box it should be rendered inside. This can be resolved by using a GameCube BIOS.

Refer issue 8351.

Hardware Status / Clock Speed

Initially registers speeds far lower than expected (i.e. 0MHz), rerunning the test registers speeds more in line with expectations. Refer issue 8353.

Hardware Test / Register Test

  • Fails on Test 3 showing: "gpits.dol Code:85400001".
  • Hangs on Test 9 siram0.dol.

Refer issue 8354.

Hardware Test / CPU Test

Hangs on Test 6: l2c.dol, due to Dolphin not emulating caches. Refer issue 8355.

Hardware Test / Memory Test

Fails Test 1 showing: "memreg0.dol Code 9". Refer issue 8356.

Hardware Test / DSP Test

Fails the first four tests, passes the fifth test and hangs in Test 6: bistram1.dol. If using HLE, Dolphin throws warnings on various unknown ucode's. Refer issue 8357.

OpenAL Audio

Various audio sounds odd regardless if HLE or LLE audio is used with the OpenAL backend. Refer issue 8348 / issue 7955. Improved by 5.0-798, fixed by 5.0-3345

Configuration

No configuration changes are known to affect compatibility for this title.

Version Compatibility

The graph below charts the compatibility with Service Disc since Dolphin's 2.0 release, listing revisions only where a compatibility change occurred.

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5.0-9211 (current)
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Δ
Δ
Δ
Δ
2.0 (r5384)
Compatibility can be assumed to align with the indicated revisions. However, compatibility may extend to prior revisions or compatibility gaps may exist within ranges indicated as compatible due to limited testing. Please update as appropriate.

Testing

This title has been tested on the environments listed below:

Test Entries
Revision OS Version CPU GPU Result Tester

Gameplay Videos