以下GA-Z87X-OCで使えそうなBIOS。
素のF7でG3258がうちの環境では立ち上がってくるけど
確かstasioがTT（tweaktown）のフォーラムでX08はF7ベースでっせと
言っていたのを見たのでF7ベースのBIOSを使ってみましょうと言うことで。
因みにX08mod2を使ってみたけどド不安定ｗ
f10aってのもあるけどプロファイルが保存出来ない。。。ｗ
（保存すると保存したようなメッセ出るけど実際に保存されてない）
因みに全部のBIOSを試してみたわけじゃないけど
X08mod2はUSBメモリを起動ディスクにしてやらないと
通常のBIOSからの更新では怒られますです。
GIGABYTE Latest Beta BIOS
http://forums.tweaktown.com/gigabyte/28441-gigabyte-latest-beta-bios.html
GIGABYTE Modified Bios
http://forums.tweaktown.com/gigabyte/48085-gigabyte-modified-bios.html
GA-Z87X-OC BIOS X02 mod5 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.6.0.1867 to 12.7.0.1936
Intel UEFI SataDriver 12.6.0.1867 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
Haswell 326C3 CPU-MicroCode Rev07 to 16
ME firmware 9.0.3.1347 to 9.0.21.1462
Modified splash logo
http://www.mediafire.com/download/dbgrj6zdjmhkj8h/z87xoc_mod5_x02.zip
GA-Z87X-OC BIOS X05 mod
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.40
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
Haswell 326C3 CPU-MicroCode Rev07 to 16
ME firmware 9.0.3.1347 to 9.0.21.1462
Modified splash logo
http://www.mediafire.com/download/ymdyylvtcz1a3a5/z87xoc_mod_x05.zip
GA-Z87X-OC BIOS X05 mod2 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
Haswell 326C3 CPU-MicroCode Rev07 to 16
ME firmware 9.0.3.1347 to 9.0.21.1462
Modified splash logo
http://www.mediafire.com/download/thklxpts1q6z1j8/z87xoc_mod2_x05.zip
GA-Z87X-OC BIOS X05 mod3 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 to 5.9.07
Intel PCI Accelerated SVGA PC 2177 to 2178
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (with Haswell 6C316)
ME firmware 9.0.3.1347 to 9.0.30.1482
Modified splash logo
http://www.mediafire.com/download/vinyezmpxozd2wf/z87xoc_mod3_x05.zip
GA-Z87X-OC BIOS X07 mod
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 to 5.9.07
Intel PCI Accelerated SVGA PC 2177 to 2178
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (with 6C317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo
http://www.mediafire.com/download/vy4e94s9673mv2m/z87xoc_mod_x07.zip
GA-Z87X-OC BIOS X07 mod2
http://www.mediafire.com/download/uo9svoow757duhy/z87xoc_mod2_x07.zip
GA-Z87X-OC BIOS X08 mod
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 5.1.00 to 5.9.07
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (6C307 to 317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/sgyfbsytdqo6747/z87xoc_mod_x08.zip
GA-Z87X-OC BIOS X08 mod2 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (6C307 to 317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/2hidoijdyrivbpg/z87xoc_mod2_x08.zip
z87x-oc - f7-mod
BIOS's bellows are modified,consist of (depend of board):
Intel RAID for SATA 12.6(7).0.1867(1936) to 13.1.0.2030
Intel EFI SataDriver 12.6(7).0.1867(1936) to 13.1.0.2030
Marvell 88SE91xx Adapter 1.0.0.0027 to 1.0.1.0025
Atheros PCIE Ethernet Controller from 2.0.2.7 to 2.0.6.6
Atheros PCIE Ethernet Controller from 2.1.1.1 to 2.1.1.5
Realtek LAN 2.53 to 2.59
Intel Boot Agent GE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA... BIOS to 2179
Intel GOPdriver 5.0.1037
CPU Microcode (with 06C317)
ME firmware 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/b99115hdejb884x/z87x-oc+-+f7-mod.zip
GA-Z87X-OC BIOS F7b mod
Modified with :
Intel RAID for SATA 12.6.0.1867 to 12.7.0.1936
Intel EFI SataDriver 12.6.0.1867 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 to 5.9.07
Intel PCI Accelerated SVGA PC 2177 to 2178
Intel GOPdriver 5.0.1032 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU Microcode Pack (06C309 to 17)
ME firmware 9.0.3.1347 to 9.0.30.1482
Modified splash logo
http://www.mediafire.com/download/8qh69woq335712p/z87xoc_mod_f7b.zip
GA-Z87X-OC BIOS F7e mod
Modified with :
Intel RAID for SATA 12.7.0.1936
Intel EFI SataDriver 12.5.0.1815 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU Microcode Pack (with 06C317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/6iakixcopeksjoc/z87xoc_mod_f7e.zip
GA-Z87X-OC BIOS F7f mod
Modified with :
Intel RAID for SATA 12.7.0.1936
Intel EFI SataDriver 12.5.0.1815 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU Microcode Pack (with 06C317)
ME firmware 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/alzru51q6up7n58/z87xoc_mod_f7f.zip
GA-Z87X-OC BIOS F7g mod
Modified with :
Intel Legacy RAID SATA 12.7.0.1936 to 13.1.0.2030
Intel EFI SataDriver 12.5.0.1815 to 13.1.0.2030
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1036
CPU Microcode Pack (with 06C317)
ME firmware 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/xio74c7afbjxao6/z87xoc_mod_f7g.zip
GA-Z87X-OC - F9-mod
http://www.mediafire.com/download/dxr85gzo5h7exoc/Z87X-OC-9.zip
GA-Z87X-OC - F9c-mod
Intel Legacy RAID ROM 12.7.0.1936 to 13.2.0.2134
Intel UEFI SataDriver 12.5.0.1815 to 13.2.0.2134
Intel PCI Accelerated SVGA PC 2179 to 2180
Intel GOPdriver 5.0.1036 to 1037
Intel Boot Agent PXE 1.5.04 to 1.5.56
Intel GigabitLan X64 5.1.00 to 6.3.27
CPU MicroCode 06C319 to 06C31A
ME firmware 9.0.30.1482
Modified splash logo 2
MEI 9.0.31.1487 (Firmware) flash yourself in Windows mode.
http://www.mediafire.com/download/zwxb5mqg2zq3mv1/ME_9.0.31.1487_1_5.zip
stasio
>Just note....
>last 2 BIOS's for Z87X-OC....X07 & X08......display higher VID and Vcore in default, >then earlier versions.
>My 4770K:
>X07 & X08............VID 1.137V....Vcore 1.140V
>X05;F7b;F6.......... VID 1.078V....Vcore 1.092V
>Vcore for overclocking is similar,so no big difference.
http://forums.tweaktown.com/gigabyte/48085-gigabyte-modified-bios-289.html#post471778
-追記-
GA-Z87X-OC BIOS X02 mod3 (Special LN2 based from BIOS F6)
Modified with :
Intel Legacy RAID ROM 12.6.0.1867 to 12.7.0.1936
Intel UEFI SataDriver 12.6.0.1867 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.40
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
ME firmware 9.0.3.1347 to 9.0.21.1462
Haswell 326C3 CPU-MicroCode Rev07 to 16
Modified splash logo
http://www.mediafire.com/download/whp7dewdn1ww80q/z87xoc_mod3_x02.zip
x02はF6ベース。
素のF7でG3258がうちの環境では立ち上がってくるけど
確かstasioがTT（tweaktown）のフォーラムでX08はF7ベースでっせと
言っていたのを見たのでF7ベースのBIOSを使ってみましょうと言うことで。
因みにX08mod2を使ってみたけどド不安定ｗ
f10aってのもあるけどプロファイルが保存出来ない。。。ｗ
（保存すると保存したようなメッセ出るけど実際に保存されてない）
因みに全部のBIOSを試してみたわけじゃないけど
X08mod2はUSBメモリを起動ディスクにしてやらないと
通常のBIOSからの更新では怒られますです。
GIGABYTE Latest Beta BIOS
http://forums.tweaktown.com/gigabyte/28441-gigabyte-latest-beta-bios.html
GIGABYTE Modified Bios
http://forums.tweaktown.com/gigabyte/48085-gigabyte-modified-bios.html
GA-Z87X-OC BIOS X02 mod5 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.6.0.1867 to 12.7.0.1936
Intel UEFI SataDriver 12.6.0.1867 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
Haswell 326C3 CPU-MicroCode Rev07 to 16
ME firmware 9.0.3.1347 to 9.0.21.1462
Modified splash logo
http://www.mediafire.com/download/dbgrj6zdjmhkj8h/z87xoc_mod5_x02.zip
GA-Z87X-OC BIOS X05 mod
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.40
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
Haswell 326C3 CPU-MicroCode Rev07 to 16
ME firmware 9.0.3.1347 to 9.0.21.1462
Modified splash logo
http://www.mediafire.com/download/ymdyylvtcz1a3a5/z87xoc_mod_x05.zip
GA-Z87X-OC BIOS X05 mod2 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
Haswell 326C3 CPU-MicroCode Rev07 to 16
ME firmware 9.0.3.1347 to 9.0.21.1462
Modified splash logo
http://www.mediafire.com/download/thklxpts1q6z1j8/z87xoc_mod2_x05.zip
GA-Z87X-OC BIOS X05 mod3 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 to 5.9.07
Intel PCI Accelerated SVGA PC 2177 to 2178
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (with Haswell 6C316)
ME firmware 9.0.3.1347 to 9.0.30.1482
Modified splash logo
http://www.mediafire.com/download/vinyezmpxozd2wf/z87xoc_mod3_x05.zip
GA-Z87X-OC BIOS X07 mod
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 to 5.9.07
Intel PCI Accelerated SVGA PC 2177 to 2178
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (with 6C317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo
http://www.mediafire.com/download/vy4e94s9673mv2m/z87xoc_mod_x07.zip
GA-Z87X-OC BIOS X07 mod2
http://www.mediafire.com/download/uo9svoow757duhy/z87xoc_mod2_x07.zip
GA-Z87X-OC BIOS X08 mod
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 5.1.00 to 5.9.07
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (6C307 to 317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/sgyfbsytdqo6747/z87xoc_mod_x08.zip
GA-Z87X-OC BIOS X08 mod2 (Special LN2)
Modified with :
Intel Legacy RAID ROM 12.7.0.1936
Intel UEFI SataDriver 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU MicroCode Pack (6C307 to 317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/2hidoijdyrivbpg/z87xoc_mod2_x08.zip
z87x-oc - f7-mod
BIOS's bellows are modified,consist of (depend of board):
Intel RAID for SATA 12.6(7).0.1867(1936) to 13.1.0.2030
Intel EFI SataDriver 12.6(7).0.1867(1936) to 13.1.0.2030
Marvell 88SE91xx Adapter 1.0.0.0027 to 1.0.1.0025
Atheros PCIE Ethernet Controller from 2.0.2.7 to 2.0.6.6
Atheros PCIE Ethernet Controller from 2.1.1.1 to 2.1.1.5
Realtek LAN 2.53 to 2.59
Intel Boot Agent GE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA... BIOS to 2179
Intel GOPdriver 5.0.1037
CPU Microcode (with 06C317)
ME firmware 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/b99115hdejb884x/z87x-oc+-+f7-mod.zip
GA-Z87X-OC BIOS F7b mod
Modified with :
Intel RAID for SATA 12.6.0.1867 to 12.7.0.1936
Intel EFI SataDriver 12.6.0.1867 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.43
Intel GigabitLan X64 to 5.9.07
Intel PCI Accelerated SVGA PC 2177 to 2178
Intel GOPdriver 5.0.1032 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU Microcode Pack (06C309 to 17)
ME firmware 9.0.3.1347 to 9.0.30.1482
Modified splash logo
http://www.mediafire.com/download/8qh69woq335712p/z87xoc_mod_f7b.zip
GA-Z87X-OC BIOS F7e mod
Modified with :
Intel RAID for SATA 12.7.0.1936
Intel EFI SataDriver 12.5.0.1815 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU Microcode Pack (with 06C317)
ME firmware 9.0.21.1462 to 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/6iakixcopeksjoc/z87xoc_mod_f7e.zip
GA-Z87X-OC BIOS F7f mod
Modified with :
Intel RAID for SATA 12.7.0.1936
Intel EFI SataDriver 12.5.0.1815 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1035
Intel EFI VBIOS 1215 to 6767
CPU Microcode Pack (with 06C317)
ME firmware 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/alzru51q6up7n58/z87xoc_mod_f7f.zip
GA-Z87X-OC BIOS F7g mod
Modified with :
Intel Legacy RAID SATA 12.7.0.1936 to 13.1.0.2030
Intel EFI SataDriver 12.5.0.1815 to 13.1.0.2030
Intel Boot Agent PXE 1.5.04 to 1.5.48
Intel GigabitLan X64 5.1.00 to 6.0.24
Intel PCI Accelerated SVGA PC 2179
Intel GOPdriver 5.0.1036
CPU Microcode Pack (with 06C317)
ME firmware 9.0.30.1482
Modified splash logo 2
http://www.mediafire.com/download/xio74c7afbjxao6/z87xoc_mod_f7g.zip
GA-Z87X-OC - F9-mod
http://www.mediafire.com/download/dxr85gzo5h7exoc/Z87X-OC-9.zip
GA-Z87X-OC - F9c-mod
Intel Legacy RAID ROM 12.7.0.1936 to 13.2.0.2134
Intel UEFI SataDriver 12.5.0.1815 to 13.2.0.2134
Intel PCI Accelerated SVGA PC 2179 to 2180
Intel GOPdriver 5.0.1036 to 1037
Intel Boot Agent PXE 1.5.04 to 1.5.56
Intel GigabitLan X64 5.1.00 to 6.3.27
CPU MicroCode 06C319 to 06C31A
ME firmware 9.0.30.1482
Modified splash logo 2
MEI 9.0.31.1487 (Firmware) flash yourself in Windows mode.
http://www.mediafire.com/download/zwxb5mqg2zq3mv1/ME_9.0.31.1487_1_5.zip
stasio
>Just note....
>last 2 BIOS's for Z87X-OC....X07 & X08......display higher VID and Vcore in default, >then earlier versions.
>My 4770K:
>X07 & X08............VID 1.137V....Vcore 1.140V
>X05;F7b;F6.......... VID 1.078V....Vcore 1.092V
>Vcore for overclocking is similar,so no big difference.
http://forums.tweaktown.com/gigabyte/48085-gigabyte-modified-bios-289.html#post471778
-追記-
GA-Z87X-OC BIOS X02 mod3 (Special LN2 based from BIOS F6)
Modified with :
Intel Legacy RAID ROM 12.6.0.1867 to 12.7.0.1936
Intel UEFI SataDriver 12.6.0.1867 to 12.7.0.1936
Intel Boot Agent PXE 1.5.04 to 1.5.40
Intel PCI Accelerated SVGA PC 2177
Intel GOPdriver 5.0.1033 to 5.0.1035
Intel EFI VBIOS 1215 to 6767
ME firmware 9.0.3.1347 to 9.0.21.1462
Haswell 326C3 CPU-MicroCode Rev07 to 16
Modified splash logo
http://www.mediafire.com/download/whp7dewdn1ww80q/z87xoc_mod3_x02.zip
x02はF6ベース。