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Author Topic: Bitmain Announces the Antminer R4 and APW5 Power Supply, Designed for Silence  (Read 67670 times)
rupy
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April 07, 2017, 09:19:03 AM
 #761

With these ASICBOOST/SegWit Bitmain claims does it mean that our R4 "are using"/"can use" ASICBOOST?

Edit: hm; https://www.reddit.com/r/Bitcoin/comments/63zefl/asicboost_sam_cole_knc_miner_medium/

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Moria843
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April 10, 2017, 01:32:17 AM
 #762

Another R4 acting up. The symptoms are that one board does not hash although all ASICs show 0. The difficulty autoset by my pool (slush) shows about half of a fully functional R4 and the power drawn by the bad board is only about 90 watts with temps in the 90s.

Tried hard and soft reboots and will run ok for about an hour (assigned difficulty goes from about 3k to 6k) and then acts up again and goes back down to 3k. Has anyone ever seen this problem and have any recommendations?

Hot time, summer in the city, back of my mine getting hot & gritty!!!
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April 12, 2017, 09:14:34 PM
 #763

Repair finished, R4B4 is being sent back to Hoth...  Fingers crossed all is good!
Well that didn't take long...  R4 got back to the Hoth mine and after a few weeks has dropped a board (again) and is running at 1/2 speed.
Lame.  Angry

I don't believe in superstition because it's bad luck
In Hotels, I prefer the 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc
These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP),S9-13.5 & S9r-11.5
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April 12, 2017, 10:48:27 PM
 #764

Repair finished, R4B4 is being sent back to Hoth...  Fingers crossed all is good!
Well that didn't take long...  R4 got back to the Hoth mine and after a few weeks has dropped a board (again) and is running at 1/2 speed.
Lame.  Angry
I'll bet it is the top board that's out, right?
My gimpy batch-6 I got had a board (top one) crap out after just 24hrs. Since I'll (eventually) have it fixed in CO just been happy with it running @4.7TH and only pulling 430w.

Getting warm here so moved my R4 batch-4 from office to the break room. For a while it dinna wanna fire up the top board. Finally after it being warmed by the lower board, several hard boots later it is back up full 8.7TH. Had me scared there for a while...

So far in both cases with the dead/nearly dead top board main diagnostic is that the lil' red LED that indicates Vcore supply is live is either just barely lit or not lit at all.

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Moria843
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April 13, 2017, 01:11:03 AM
 #765

Had one R4 repaired in CO and they did a quick and good job. But, back then I was told to send the whole unit in since it had to be balanced. Now for this second R4 CO said I may be able to just send in the board that's acting up.

Has anyone just sent in an R4 board with success?

Removing S5, S7 boards a piece of cake but I never removed an R4 board. Is there a procedure somewhere showing how to remove R4 boards?

Hot time, summer in the city, back of my mine getting hot & gritty!!!
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April 13, 2017, 01:23:57 AM
 #766

Looks to be pretty obvious:
  Power OFF of course.

 Unplug the PCIe connectors to bad board. It's a PIA to squeeze the tabs on the connectors - needle-nose pliers is a great help.

 Unplug data cable from board by squeezing the tab on the cable while rocking the connector back and forth to remove it.
Look at front of miner and take out the screws holding the board supports.

 Remove board.[

For bitcoin to succeed the community must police itself - Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats
How a miner mfgr SHOULD operate: HaggsFIN trip to Canaan My info useful? Donations welcome! 1Fuzzyk398kDWVjuC5qPX5v6CjSkvbgAbd
-Support Sidehacks miner development. Donations to:   1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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April 13, 2017, 02:32:17 AM
 #767

Repair finished, R4B4 is being sent back to Hoth...  Fingers crossed all is good!
Well that didn't take long...  R4 got back to the Hoth mine and after a few weeks has dropped a board (again) and is running at 1/2 speed.
Lame.  Angry
I'll bet it is the top board that's out, right?
My gimpy batch-6 I got had a board (top one) crap out after just 24hrs. Since I'll (eventually) have it fixed in CO just been happy with it running @4.7TH and only pulling 430w.
No way for me to tell since since it's with Alan at cryptoboreas in their Hoth mines... I'll just let it run at 1/2 speed for now.  Just had the POS shipped back and forth to the Empire's apparently useless repair facility.  Such suckitude it boggles the mind!

I don't believe in superstition because it's bad luck
In Hotels, I prefer the 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc
These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP),S9-13.5 & S9r-11.5
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April 13, 2017, 02:51:26 AM
 #768

Repair finished, R4B4 is being sent back to Hoth...  Fingers crossed all is good!
Well that didn't take long...  R4 got back to the Hoth mine and after a few weeks has dropped a board (again) and is running at 1/2 speed.
Lame.  Angry
I'll bet it is the top board that's out, right?
My gimpy batch-6 I got had a board (top one) crap out after just 24hrs. Since I'll (eventually) have it fixed in CO just been happy with it running @4.7TH and only pulling 430w.
No way for me to tell since since it's with Alan at cryptoboreas in their Hoth mines... I'll just let it run at 1/2 speed for now.  Just had the POS shipped back and forth to the Empire's apparently useless repair facility.  Such suckitude it boggles the mind!
Can't access its GUI using the Host-provided VPN? Should be part of any Hosting package...
On the batch-6 at least, the top board reports as chain-8, the bottom as chain-7. God forbid BM just swap cables connectionsso the top/bottom boards report as top/bottom on the GUI  Roll Eyes

For bitcoin to succeed the community must police itself - Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats
How a miner mfgr SHOULD operate: HaggsFIN trip to Canaan My info useful? Donations welcome! 1Fuzzyk398kDWVjuC5qPX5v6CjSkvbgAbd
-Support Sidehacks miner development. Donations to:   1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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April 13, 2017, 07:08:22 AM
 #769

Repair finished, R4B4 is being sent back to Hoth...  Fingers crossed all is good!
Well that didn't take long...  R4 got back to the Hoth mine and after a few weeks has dropped a board (again) and is running at 1/2 speed.
Lame.  Angry


Well that sux.

One of my R4's has already been returned twice, after the first repair it lasted about a week and now since the 2nd it's been hashing away nicely for 35 days - touch wood it'll continue.
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April 13, 2017, 02:11:33 PM
 #770

Can't access its GUI using the Host-provided VPN? Should be part of any Hosting package...
On the batch-6 at least, the top board reports as chain-8, the bottom as chain-7. God forbid BM just swap cables connectionsso the top/bottom boards report as top/bottom on the GUI  Roll Eyes
I only got a couple units there, so no.  If you have a bunch it can be set up with that certainly.  Either way it's already been sent out and back once for only a few weeks worth of full speed hashing.  Not very cost effective...  Tongue

I don't believe in superstition because it's bad luck
In Hotels, I prefer the 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc
These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP),S9-13.5 & S9r-11.5
CarlosVR2
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April 14, 2017, 03:11:30 PM
 #771

Greetings fellow miners,

I have been waiting for a while to buy more R4s as I really appreciate the silent operation and the two R4 units I own have been working properly for several months.

However, time passes and there are no news from Bitmain about new R4 batches.

I read in recent posts of this thread people with defective R4s have been requested to swap to T9 units. Does that mean Bitmain is not going to produce R4s anymore?  Huh

Thanks for your comments!
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April 19, 2017, 01:50:05 PM
 #772

Repair finished, R4B4 is being sent back to Hoth...  Fingers crossed all is good!
Well that didn't take long...  R4 got back to the Hoth mine and after a few weeks has dropped a board (again) and is running at 1/2 speed.
Lame.  Angry

And there goes the second board - now seeing 0 hash poolside.  I also have an S9 there so it's not a connection or node problem... Tongue

I've requested a reboot and we'll see if anything happens.  A big harrumph to all this unreliable crap!  Angry

Edit - Oh, sure, I still got a few months of warranty left, but at this rate you LOSE money getting it fixed and you LOSE money if you don't!  Cheesy

I don't believe in superstition because it's bad luck
In Hotels, I prefer the 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc
These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP),S9-13.5 & S9r-11.5
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April 19, 2017, 02:04:29 PM
 #773

The way to win is to donate it to me so I can figure out what's going wrong :-) Then I can tell everyone else how to fix these things.
VRobb
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April 19, 2017, 05:22:09 PM
 #774

Looks like it was a failover-failed-to-failback scenario.  Still only 1/2  hash but that beats 0, and I got until end of June to decide if I want to warranty it again.  Much like elections, it's a matter of picking the least objectionable option.

I don't believe in superstition because it's bad luck
In Hotels, I prefer the 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc
These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP),S9-13.5 & S9r-11.5
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April 20, 2017, 10:55:14 AM
 #775

@VRobb,

as always, our hosting option, you do not have to worry about dead units or broken units as it be repaired or replaced at site if it is damaged or broken while in our hosting!  Fully protected option is $60/kw, string attached is shipout is only after unit is not profitable to hash.  (hash to the ash option, and probably in those senario, hosting fee at that time may be even lower to hash a bit longer by migrating to lower grade hosting option we have to keep the unit working longer)

Antminer & DragonMint Repair  E-mail: support@myrig.com   T: @MyRig_com
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April 20, 2017, 12:39:28 PM
 #776

The way to win is to donate it to me so I can figure out what's going wrong :-) Then I can tell everyone else how to fix these things.

I have a ½ dead one are you in the usa?

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
VRobb
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April 20, 2017, 03:19:10 PM
 #777

@VRobb,

as always, our hosting option, you do not have to worry about dead units or broken units as it be repaired or replaced at site if it is damaged or broken while in our hosting!  Fully protected option is $60/kw, string attached is shipout is only after unit is not profitable to hash.  (hash to the ash option, and probably in those senario, hosting fee at that time may be even lower to hash a bit longer by migrating to lower grade hosting option we have to keep the unit working longer)
Definitely something to consider when I increase my mining, but the 1/2 running R4B4 of concern is currently up in the great white north, and as such will either stay there or head on back to another warranty repair in the near future if the hosting site sends another batch of units for repair (which is both fortunately and unfortunately likely!).

I don't believe in superstition because it's bad luck
In Hotels, I prefer the 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc
These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP),S9-13.5 & S9r-11.5
lightfoot
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April 21, 2017, 01:19:25 AM
 #778

The way to win is to donate it to me so I can figure out what's going wrong :-) Then I can tell everyone else how to fix these things.

I have a ½ dead one are you in the usa?
Actually I am, and I've always been interested in seeing what makes bitmain tick. I'll send over the address in a PM.

Thanks!
C
VRobb
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April 25, 2017, 03:57:16 AM
 #779

Well my faulty R4 is now fixed and on the way back to my place. Fedex has it in Cologne (Germany) at the moment.
No details about what was repaired though.

At least they fixed your R4. They sent back a broken R4 that would not hash. I resent it back for repair and now they said they can't replace it because they don't have any more R4 units. They want me to pay some BTC to get as a replacement a T9. It's faster but also louder. Terrible customer service.

Try to get a swap without additional payment. The R4 are doomed.
After a second failure of one of the hash boards (with requisite cost of sending R4 out once for repair already) I have been offered the swap of R4 for T9 if I send it back again on my dime.  Yes, I already asked to have shipping back paid but to no avail.  Not sure how to proceed with this... on the one hand I like the efficiency of my R4 which is unmatched. But it's very flaky and unreliable operating history is rather lame.
Thoughts?

I don't believe in superstition because it's bad luck
In Hotels, I prefer the 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc
These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP),S9-13.5 & S9r-11.5
HagssFIN
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April 25, 2017, 10:54:43 AM
 #780

Well my faulty R4 is now fixed and on the way back to my place. Fedex has it in Cologne (Germany) at the moment.
No details about what was repaired though.

At least they fixed your R4. They sent back a broken R4 that would not hash. I resent it back for repair and now they said they can't replace it because they don't have any more R4 units. They want me to pay some BTC to get as a replacement a T9. It's faster but also louder. Terrible customer service.

Try to get a swap without additional payment. The R4 are doomed.
After a second failure of one of the hash boards (with requisite cost of sending R4 out once for repair already) I have been offered the swap of R4 for T9 if I send it back again on my dime.  Yes, I already asked to have shipping back paid but to no avail.  Not sure how to proceed with this... on the one hand I like the efficiency of my R4 which is unmatched. But it's very flaky and unreliable operating history is rather lame.
Thoughts?
If you can deal with the extra noise and extra electricity cost, I would go with the T9.

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