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Are Motherboard Revisions hardware or just BIOS updates?

post #1 of 3
Thread Starter 
Are Motherboard Revisions hardware or just BIOS updates?

For example.

Gigabyte's Z77 UD4H board the GA-Z77X-UD4H is still at Rev 1.0

but Gigabyte's GA-Z77X-UD3H (rev. 1.1) & GA-Z77X-UD5H (rev. 1.1) are now 1.1

If you go way back to socket 775 there are boards like the GA-EP45-UD3P (rev. 1.6) which are up to Revision 1.6

And lastly there are boards that are labeled as Revision 1.x (sic). Like the Socket 2011 board GA-X79-UP4 (rev. 1.x)


Are these boards physically different, or is the revision number just an indication of what BIOS it ships with from the factory?
post #2 of 3
I think it's seperate. In CPU the revision and bio version are seperate.
   
Celapaleis (2013)
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Celapaleis (2013)
(16 items)
 
RAMHard DriveHard DriveKeyboard
x2 8gb GSkill Trident Z 3600 @ 3733 15-14-14-31-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
AudioOther
Logitech c920 Webcam NZXT Sentry Mix 2 Fan Controller 
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post #3 of 3
For the most part, if the board revision changes, it is a change to the hardware or to the advertised compatibility of the board.

Using Gigabyte boards as an example;

GA-Z68XP-UD4 revision 1.0 = support Sandy Bridge CPUs (this was later changed to support Ivy Bridge CPUs too)

GA-Z68XP-UD4 revision 1.3 = pcie 3.0 and when released official support Ivy Bridge CPUs

GA-Z77X-UD5H revision 1.0 = Atheros LAN 8151

GA-Z77X-UD5H revision 1.1 = Atheros LAN 8161

Sometimes it can be challenging to find out exactly what changes when a motherboard mfg. updates motherboard revisions smile.gif
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wevs rig
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Hard DriveHard DriveHard DriveHard Drive
Crucial C300 128Gb x2 RAID0  SK Hynix SH910 128Gb x2 RAID0 Western Digital Black Edition 1Tb Western Digital Black Edition 640Gb 
Optical DriveOptical DriveCoolingOS
Asus DVD / Bluray LG Bluray / Burner Custom H20 - Swiftech, XSPC Windows 7 Pro x64 
MonitorKeyboardPowerCase
Acer P243Waid Razer Black Widow Ultimate Corsair HX1000 Corsair C70 White Edition 
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Razer DeathAdder SteelSeries Creative Soundblaster X-FI Titanium HD 
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