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modding 5870 bios with RBE

aquax

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Joined
Aug 5, 2008
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System Name aquax
Processor i7 920 4GHz HT ON
Motherboard Gigabyte EX58-UD4P
Cooling TRUE120
Memory 6GB TR3X6G1600C7
Video Card(s) ASUS TOP HD4770
Storage WD1001FALS / WD6400AAKS
Display(s) Samsung 2333SW soon
Audio Device(s) ALC889A
Power Supply Antec TPQ-850w
Software Vista Ultimate X64
I'm trying to mod a 5870 bios to always stick with 900/1200 instead of 850/1200 so I can keep the 2d clocks 157/300 without messing with the overdrive but I found this bios is different than other bioses, as the higher clock is only set on "Boot", while other bioses always have the Boot set on 850/1200 no matter the OC used..
Link to the bios: http://www.techpowerup.com/vgabios/73707/Sapphire.HD5870.1024.100413.html
I already changed this value "the 1st column" to 900/1200 and flashed fine but just want to confirm that with someone with more knowledge if it is safe to keep it like that.

 
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