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Sega Saturn

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Title Screen

Sega Saturn

Developer: Sega
Publishers: Sega (JP/US/EU/AU), Tec Toy (BR), Samsung (KR)
Released in JP: November 22, 1994
Released in US: May 11, 1995
Released in EU: July 8, 1995
Released in AU: July 8, 1995
Released in KR: October 20, 1995
Released in BR: September 1, 1995
Released in CN: 1994


DevTextIcon.png This console has hidden development-related text.
RegionIcon.png This console has regional differences.
Carts.png This console has revisional differences.


The Sega Saturn was Sega's next console after the Genesis Sega CD 32X Frankensteinian, addon-riddled, nightmarish monster. It was notable for using quads instead of triangles, setting it apart from almost every other 3D system...and making it more than a bit difficult to develop for (especially multiplatform games).

Its main competitor was the PlayStation, and the fact there are now five of those and only one two of these should tell you who won that particular battle.

Hmmm...
To do:
Rather unfinished. There seems to be more differences between the two versions, not to mention the differences only cover the Japanese and US/EU versions of the BIOS. There are so many more versions out there.

Sub-Pages

Hmmm...
To do:
A supposed Oct 12, 1994 of the BIOS has been found, Document it here.

Build Dates

Present at hex address 0x800 in the BIOS. This is shown in the Test Menu cart as "BOOT ROM ver."

Version Code
JP (v1.00)
BTR_1.00D1940921
JP (v1.003)
BTRD1.0032941012
US/EU (v1.00 and v1.01)
BTR_1.000U941115
JP (v1.01)
BTR_1.0191941228
Hi-Saturn (v1.01)
BTR_1.019H950130
Hi-Saturn (v1.02)
BTR_1.020H950519
V-Saturn
BTR_1.019J950703
GameNavi Hi-Saturn (v1.03)
BTRF1.030H950720

Version Differences

Boot Screen

Japan US/Europe
Saturn-JP-title.png Saturn-title.png

Besides the logo and copyright changes, the version number is not listed and the background is darker.

Music

Japan US/Europe

The boot-up jingle was also changed from a THX-esque jingle to a more spacious jingle.

Japan US/Europe

The jingle for having no CD in the drive is also different between regions.

Surround Adjust Menu

Japan v1.00 Japan v1.01 US/Europe
Saturn-JP100-SurroundAdjust.png Saturn-JP101-SurroundAdjust.png Saturn-USEU-SurroundAdjust.png

v1.01 of the Japanese BIOS added "ADJUST" to the Surround Adjust menu. It was completely overhauled and made more straightforward in the US and European versions.