Hacked Modified Memory Strap BIOS Database for ZEC MINING!

[ober]

Its an old cheap Sempron. Now you motivated me to try 1 card with Intel CPU.

[adaseb]

Its an old cheap Sempron. Now you motivated me to try 1 card with Intel CPU.

Yeah thats probably why. I got a rig with that CPU also, the GPU load is never 100% and its always slightly slower. Not much you can do really.

Maybe try unlocking the 2nd core, however it didn't work for me.

[ober]

Its an old cheap Sempron. Now you motivated me to try 1 card with Intel CPU.

Yeah thats probably why. I got a rig with that CPU also, the GPU load is never 100% and its always slightly slower. Not much you can do really.

Maybe try unlocking the 2nd core, however it didn't work for me.

Indeed I got few more hashes running the miner with my i5

[adaseb]

Anyone here tried any of my roms with the XMR miner? Seems its getting more and more popular since ZEC mining profitability is down the drain.

[lexele]

I converted my zecs to xmr before it raised...I'm now gaining more just watching the price rather than mining :-D

[Ambros]

I have a few very low quality Samsung memory RX 470 and they don't work with lowered timings, but those roms are really amazing! Thank you for grouping all that material together, you made our life simpler

[bluedeep]

stable zec mining with my 280x:
gpu 1070
mem 1500
vddc 1.094

217 h/s
155W at wall

280x consume a lot of energy. I have few of them and I'm trying to sell it.

[adaseb]

7970/280x modified bios gets around 610h/s with XMR Claymore miner.

Doesn't really help since profitability for the day is exactly like ZEC, however much less power usuage.

[forzendiablo]

what about 480 ?

[Golku]

can someone help me with modding this bios ?

http://www.filedropper.com/280xsapphire


its the 280x sapphire dualx (elpida)

getting like 203 sol with this bios right now

when i look up the card via gpu-z i get linked to

https://www.techpowerup.com/gpudb/b2462/sapphire-vapor-x-r9-280x-oc

but my card is

https://www.techpowerup.com/gpudb/b2463/sapphire-dual-x-r9-280x-oc

i bought this card second hand so dont know exactly has been done with this card

ps

I saved the bios with GPU-Z

[JuanHungLo]

can someone help me with modding this bios ?

http://www.filedropper.com/280xsapphire


its the 280x sapphire dualx (elpida)

getting like 203 sol with this bios right now

when i look up the card via gpu-z i get linked to

https://www.techpowerup.com/gpudb/b2462/sapphire-vapor-x-r9-280x-oc

but my card is

https://www.techpowerup.com/gpudb/b2463/sapphire-dual-x-r9-280x-oc

i bought this card second hand so dont know exactly has been done with this card

ps

I saved the bios with GPU-Z

Most of it was already done.

Saved with vbe to 1020/1500 at vddc 1163

Only one strap needed to be changed to be same as recommended changes in thread: https://bitcointalk.org/index.php?topic=1676474.0

here it is: http://www.filedropper.com/280xsapphiremodded

Change it at your own risk!

[StanchoBS]

I cant find bios for my elpida or hynix (have both) 280x vapor-x. In first post only have memory bios for gigabyte cards. Help me where i can find bios please

[wrr1234]

my 280x with  3072 MB, GDDR5, Hynix H5GQ2H24AFR
  3072 MB, GDDR5, Elpida EDW2032BBBG
  3072 MB, GDDR5, Hynix H5GC2H24BFR


and the hex is
409C0001333133200000000084942210F05409060F0BA2010023800022AA1C00120114208A8800A 00000012006050B0C110C100D
803801015551332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11
F04902017771332000000000CE516A3B705510102BA21806004AE60022009D00640E14206A8900A 000000120150F272D3C232C14
204E0002999133200000000060881107C0540A060F0991000020410022AA1C00150014209A8840A 1000007C003010507080A100C
803801027771332000000000A5AC351F3055090C209875020044820022AA1C00440914202A8900A 5000007C00C06141A2019210F
F04902027771332000000000315A6B3A905509123629AB04006AE40022AA1C0074041420CA8900A 9020007C0171224293B2A3712
409C000355513320000000008494121240550B0C151393010020410022DD1C00430414209A8800A 00000012006050D0E13141610
803801037771332000000000E7AC352240550D0D209935030024810022DD1C004C0914209A8800A 0000001200C08171B231A2111
F04902037771332000000000CE516A3D905511122FA61906004AE60022339D00740014206A8900A 002000120150F292F3E273016

how to edit?

[JuanHungLo]

you have the following memory timings:

400
800
1500
200
800
1500
400
800
1500

Your BIOS has 3 different types of memory as indicated by the 7th character from the left of each string, (1, 2, 3)

So you want to modify the third, sixth, and last string AFTER that 7th character, unless you know which type of memory you have and you know that it is only the one designated by the 7th character.

Normally, there would be a timing before the 1500 string that was a little closer in speed, like a 1250 or 1375, so my best GUESS would be to copy the 800 string AFTER the 7th character over the 1500 strings for each of the three memory types.

Clear as mud, right?

Out of curiosity, what is the brand of the GPU?  Do you have a link to the original BIOS on the https://www.techpowerup.com/vgabios/ page?

[wrr1234]

you have the following memory timings:

400
800
1500
200
800
1500
400
800
1500

Your BIOS has 3 different types of memory as indicated by the 7th character from the left of each string, (1, 2, 3)

So you want to modify the third, sixth, and last string AFTER that 7th character, unless you know which type of memory you have and you know that it is only the one designated by the 7th character.

Normally, there would be a timing before the 1500 string that was a little closer in speed, like a 1250 or 1375, so my best GUESS would be to copy the 800 string AFTER the 7th character over the 1500 strings for each of the three memory types.

Clear as mud, right?

Out of curiosity, what is the brand of the GPU?  Do you have a link to the original BIOS on the https://www.techpowerup.com/vgabios/ page?

https://www.techpowerup.com/vgabios/160094/xfx-r9280x-3072-140610  xfx 280x 3g

so   you mean

old
409C0001333133200000000084942210F05409060F0BA2010023800022AA1C00120114208A8800A 00000012006050B0C110C100D
803801015551332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11
F04902017771332000000000CE516A3B705510102BA21806004AE60022009D00640E14206A8900A 000000120150F272D3C232C14
204E0002999133200000000060881107C0540A060F0991000020410022AA1C00150014209A8840A 1000007C003010507080A100C
803801027771332000000000A5AC351F3055090C209875020044820022AA1C00440914202A8900A 5000007C00C06141A2019210F
F04902027771332000000000315A6B3A905509123629AB04006AE40022AA1C0074041420CA8900A 9020007C0171224293B2A3712
409C000355513320000000008494121240550B0C151393010020410022DD1C00430414209A8800A 00000012006050D0E13141610
803801037771332000000000E7AC352240550D0D209935030024810022DD1C004C0914209A8800A 0000001200C08171B231A2111
F04902037771332000000000CE516A3D905511122FA61906004AE60022339D00740014206A8900A 002000120150F292F3E273016



modded

409C0001333133200000000084942210F05409060F0BA2010023800022AA1C00120114208A8800A 00000012006050B0C110C100D
803801015551332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11
F04902017771332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11
204E0002999133200000000060881107C0540A060F0991000020410022AA1C00150014209A8840A 1000007C003010507080A100C
803801027771332000000000A5AC351F3055090C209875020044820022AA1C00440914202A8900A 5000007C00C06141A2019210F
F04902027771332000000000A5AC351F3055090C209875020044820022AA1C00440914202A8900A 5000007C00C06141A2019210F
409C000355513320000000008494121240550B0C151393010020410022DD1C00430414209A8800A 00000012006050D0E13141610
803801037771332000000000E7AC352240550D0D209935030024810022DD1C004C0914209A8800A 0000001200C08171B231A2111
F04902037771332000000000E7AC352240550D0D209935030024810022DD1C004C0914209A8800A 0000001200C08171B231A2111

like this ?

[JuanHungLo]

I have that same card but only with BFR memory, so my advice is a guess, but yes, what you wrote is what I would try first.  Keep in mind that it is a risk. My advice has no guarantee and you might brick your card.  Since that card has no second BIOS, it is a risk that you have to decide upon.  I personally would try it, but then again I know how to jumper a BIOS physically and boot into program mode and reset it using a USB windows 98 boot to DOS.  Good luck.

[smaxz]

tried the 290 rom today and it would crash all instances within 5min unless I used the highest voltage rom and even then gains were not discernible against stilts good old minus .25 mining rom..

was worth a shot, do you have anything for the ghost 7970 philip is trying to sell in the classifieds?

[JuanHungLo]

tried the 290 rom today and it would crash all instances within 5min unless I used the highest voltage rom and even then gains were not discernible against stilts good old minus .25 mining rom..

was worth a shot, do you have anything for the ghost 7970 philip is trying to sell in the classifieds?

I believe that all BIOSes for XFX 7970 and 280x are programmed for both Hynix and Elpida memory.  It should be quite easy to make the strap changes for it's BIOS as well.  Of course, rather than just downloading any old XFX ROM, I prefer to download the BIOS from the actual card and then modify it.  I have achieved results of around 25% increase h/s for XMR that way using the advice in this thread.

[wrr1234]

I have that same card but only with BFR memory, so my advice is a guess, but yes, what you wrote is what I would try first.  Keep in mind that it is a risk. My advice has no guarantee and you might brick your card.  Since that card has no second BIOS, it is a risk that you have to decide upon.  I personally would try it, but then again I know how to jumper a BIOS physically and boot into program mode and reset it using a USB windows 98 boot to DOS.  Good luck.

 i flash the bios ,,when ming start the pc get the bluescreen,,  so it can not  work with that edit

[antantti]

tried the 290 rom today and it would crash all instances within 5min unless I used the highest voltage rom and even then gains were not discernible against stilts good old minus .25 mining rom..

was worth a shot, do you have anything for the ghost 7970 philip is trying to sell in the classifieds?

I believe that all BIOSes for XFX 7970 and 280x are programmed for both Hynix and Elpida memory.  It should be quite easy to make the strap changes for it's BIOS as well.  Of course, rather than just downloading any old XFX ROM, I prefer to download the BIOS from the actual card and then modify it.  I have achieved results of around 25% increase h/s for XMR that way using the advice in this thread.

xfx 7970 was/ is a major pita.