안녕하세요. 바쿠마루 입니다.
인텔 홈에 2006년 11월 26일자로 올라온 Intel975 칩셋을 사용한 D975XBX2 메인보드의 2330 정식 바이오스입니다.

이전 버전과 바뀐 점은 다음과 같습니다.
Description
1) Page of BIOS Setup was not working.
2) Updated Marvell* 88SE6145 Option ROM to version 1.1.0.34
3) Fixed issue where BIOS Setup defaults would overwrite current user
settings when entering Maintenance Mode
4) Added Microsoft* Vista* support for STAC9227 and STAC9274D audio
codecs
5) Added workaround to correct issues where certain over voltage
scenarios would not work
6) Added IDCC version 2.02 support.
7) Fixed an issue where auto-recovery from a corrupt image wasn't
working.
8) Fixed fan speed surge during initial power on.
9) Fixed higher than normal Fan noise with certain processors.
10) Fixed potential issue where Fan speed stuck at 100%.
11) Fixed issue where attempting to use the One Time Boot Menu
appeared to hang POST.
12) Fixed issue where Recovery status screen is blank.

BX97520J.86A.2330.IB.exe는 바이오스만 있는 버전
BX97520J.86A.2330.EB.exe는 윈도우상에서 바이오스를 업데이트 시킬수 있는 버전