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Author Topic: HashFast Sierra's Owners Thread  (Read 23761 times)
QuiveringGibbage
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April 20, 2014, 01:53:10 AM
 #141

Anyone thinking of selling their Sierra unit? I did am Smiley [WTS] HashFast Sierra 1.3THs, In-hand in Australia - https://bitcointalk.org/index.php?topic=576381.0

I'll be interested to see what offers I get. Altho the market size is much more limited in Australia I think.

I'll miss LARRY tho, was one of my best and easiest to run :~( Not too noisey as compared with my other miners.

Hash fast,
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jddebug
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April 20, 2014, 03:15:16 AM
 #142

Anyone thinking of selling their Sierra unit? I did am Smiley [WTS] HashFast Sierra 1.3THs, In-hand in Australia - https://bitcointalk.org/index.php?topic=576381.0

I'll be interested to see what offers I get. Altho the market size is much more limited in Australia I think.

I'll miss LARRY tho, was one of my best and easiest to run :~( Not too noisey as compared with my other miners.

Hash fast,
QG


More here: http://imgur.com/a/mRbMZ#o7nT7Jv

Why are you selling?
QuiveringGibbage
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April 20, 2014, 07:17:30 AM
 #143

Why are you selling?

I want this now... [Group Buy] 5.4 TH/s miner for $4,495, August delivery - https://bitcointalk.org/index.php?topic=575499.msg6278746#msg6278746

I want both, but we can't have everything we want Smiley

QG

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solarion
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April 20, 2014, 12:03:27 PM
 #144

August delivery? lol

You won't be fighting with me. All yours.
solarion
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April 21, 2014, 08:05:43 PM
 #145

Now that I've had some time to kick the tires and ambient temps have risen dramatically here, it's pretty clear that the sierra needs some cooling help, particularly overclocked. I've obtained appropriate fasteners to attach 3x delta afb1212she 120mm fans. These I will add to the front of the unit to create a push pull airflow arrangement through the radiators. Forgive me if all this has been gone over previously, I haven't been attentive to threads dealing with actual operation of the sierra as I figured I'd never see one.

I'll post the results of this operation if anyone is interested.
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April 21, 2014, 09:19:00 PM
 #146

I'll post the results of this operation if anyone is interested.

I've put the --hfa-fan at 100%, I'm getting temperatures of about 80 degrees Celcius at 604 MHz

What numbers are you looking at, without the extra fans?
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April 21, 2014, 09:59:25 PM
 #147

84c @ 604 mhz. Got the fans on and  temps are 79c presently. I don't believe I modified fan operation with my .bat file, but I'll give that a whirl too. Ambient is 28c.

REALLY ticks me off that hashlast is operated by such scumbags. I really like the unit.

Edit: well that doubled the volume. lol
QuiveringGibbage
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April 21, 2014, 10:17:58 PM
 #148

Code:
 cgminer version 4.2.3 - Started: [2014-04-12 21:14:20]
----------------------------------------------------------------------------------------------------
 (5s):989.7G (1m):1.286T (5m):1.253T (15m):1.265T (avg):1.304Th/s
 A:247062578  R:631909  HW:1952292  WU:18217.9/m | ST: 4  SS: 119  NB: 1645  LW: 266003382  GF: 2  RF: 1
 Connected to au.ozco.in diff 627 with stratum as user quiveringgibbage.larry
 Block: 40fc94d8...  Diff:6.98G  Started: [07:57:51]  Best share: 291M
----------------------------------------------------------------------------------------------------
 [U]SB management [P]ool management [S]ettings [D]isplay options [Q]uit
 6: HFS LARRY   : 593MHz  86C  19% 0.79V  | 799.3G / 1.283Th/s WU:17935.4/m A:33200277 R:116622 HW:125393
----------------------------------------------------------------------------------------------------
 [2014-04-22 08:10:51] Accepted 2650d732 Diff 1.71K/627 HFS 0 pool 0
 [2014-04-22 08:10:51] Accepted 22782c96 Diff 1.9K/627 HFS 0 pool 0

fans at default, not sure what my ambient is atm

QG

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Legend21
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April 21, 2014, 10:20:51 PM
 #149

My order 2992 was also batch 3 sierra.. I have ask for refund since 15 january, i send them 1000 mails about refund so they will really make a stupid mistake if they still sending the sierra , but im sure they know that im want a refund because i ask them too much and e-mail them 1000 times.

I just wait for my refund of 2992. I also will update here. i dont believe why you guys still wait for that rig, that is now nothin worth to mine... if i was you i should ask already for a refund.. my opinun then..

jddebug
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April 21, 2014, 10:21:18 PM
 #150

Now that I've had some time to kick the tires and ambient temps have risen dramatically here, it's pretty clear that the sierra needs some cooling help, particularly overclocked. I've obtained appropriate fasteners to attach 3x delta afb1212she 120mm fans. These I will add to the front of the unit to create a push pull airflow arrangement through the radiators. Forgive me if all this has been gone over previously, I haven't been attentive to threads dealing with actual operation of the sierra as I figured I'd never see one.

I'll post the results of this operation if anyone is interested.

They are supposed to run about 85C. Thats the sweet spot temperature. Absolutely no reason that I'm aware of to run them cooler.
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April 21, 2014, 10:28:27 PM
 #151

Now that I've had some time to kick the tires and ambient temps have risen dramatically here, it's pretty clear that the sierra needs some cooling help, particularly overclocked. I've obtained appropriate fasteners to attach 3x delta afb1212she 120mm fans. These I will add to the front of the unit to create a push pull airflow arrangement through the radiators. Forgive me if all this has been gone over previously, I haven't been attentive to threads dealing with actual operation of the sierra as I figured I'd never see one.

I'll post the results of this operation if anyone is interested.

They are supposed to run about 85C. Thats the sweet spot temperature. Absolutely no reason that I'm aware of to run them cooler.
That's right. The code is designed to keep them 85~88 degrees. Any extra cooling does not improve their performance or help their longevity and only generates more noise and consumes more power.

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solarion
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April 21, 2014, 10:28:56 PM
 #152

Now that I've had some time to kick the tires and ambient temps have risen dramatically here, it's pretty clear that the sierra needs some cooling help, particularly overclocked. I've obtained appropriate fasteners to attach 3x delta afb1212she 120mm fans. These I will add to the front of the unit to create a push pull airflow arrangement through the radiators. Forgive me if all this has been gone over previously, I haven't been attentive to threads dealing with actual operation of the sierra as I figured I'd never see one.

I'll post the results of this operation if anyone is interested.

They are supposed to run about 85C. Thats the sweet spot temperature. Absolutely no reason that I'm aware of to run them cooler.

Hey jd, my understanding is that 85c is the point in which the sierra begins to throttle. That doesn's sound like a sweetspot. Heat kills electronics and 85c is hot. Not sure where the single temp reading is being generated from however.

That's right. The code is designed to keep them 85~88 degrees. Any extra cooling does not improve their performance or help their longevity and only generates more noise and consumes more power.

so they do not throttle at 85c? When you say "keep them at 85~88" does that imply that there's an autoclocking mechanism at work? Similar to your autoclocking code with Avalons?
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April 21, 2014, 10:35:18 PM
 #153

That's right. The code is designed to keep them 85~88 degrees. Any extra cooling does not improve their performance or help their longevity and only generates more noise and consumes more power.

so they do not throttle at 85c? When you say "keep them at 85~88" does that imply that there's an autoclocking mechanism at work? Similar to your autoclocking code with Avalons?
No there is heaps of headroom at 85 degrees. Only the fans adjust to keep them at that temperature. They only clock down at much higher temperatures.

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solarion
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April 21, 2014, 10:40:42 PM
 #154

That's right. The code is designed to keep them 85~88 degrees. Any extra cooling does not improve their performance or help their longevity and only generates more noise and consumes more power.

so they do not throttle at 85c? When you say "keep them at 85~88" does that imply that there's an autoclocking mechanism at work? Similar to your autoclocking code with Avalons?

No there is heaps of headroom at 85 degrees. Only the fans adjust to keep them at that temperature. They only clock down at much higher temperatures.

Thanks for clarifying. The fans are staying, I already bled to put them there. Cheesy Hard to get used to seeing your equipment exceeding 80c as normal.
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April 22, 2014, 03:11:33 AM
 #155

my order is in batch 4 (order number #35xx). I request for refund in the beginning of April (after HF said they will postpone the delivery for 3 months), and soon I received the mail asking me to fill in the refund information. To fasten the process speed, I chose BTC instead of bank wire transfer. However, after I send my refund particulars to HF, I lost contact with them. They didn't send me any acknowledgement nor telling me when I can receive the refund. I send them several mails and still no reply...

I wonder if anyone has received the refund yet? How long did the processing take?

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Legend21
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April 22, 2014, 08:51:00 AM
 #156

I think u can wait 2-3 months more, because i already ask since 15 january and is confirm by Hashfast, i didnt have to fill in a refund form, because they dont exist only for batch 1 customers they have made that form.

Im now waiting 80-90 days since my first request, and they still saying they processing like they receive the request. Bull shit.

They dont do anything to speed up the process or anything. I am batch 2992, just imaging how long it will cost for people that have ask their refund after 15 january.

I still waiting, they still said they are close to payout me but anyway they delay again.
People there dont know eachother in the support team, its just a mess, they dont make notifications nothing.

So everything u ask they must answer again and again.. Bunch of mess arround there.


my order is in batch 4 (order number #35xx). I request for refund in the beginning of April (after HF said they will postpone the delivery for 3 months), and soon I received the mail asking me to fill in the refund information. To fasten the process speed, I chose BTC instead of bank wire transfer. However, after I send my refund particulars to HF, I lost contact with them. They didn't send me any acknowledgement nor telling me when I can receive the refund. I send them several mails and still no reply...

I wonder if anyone has received the refund yet? How long did the processing take?
aasl
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April 24, 2014, 03:42:19 AM
 #157

I think u can wait 2-3 months more, because i already ask since 15 january and is confirm by Hashfast, i didnt have to fill in a refund form, because they dont exist only for batch 1 customers they have made that form.

Im now waiting 80-90 days since my first request, and they still saying they processing like they receive the request. Bull shit.

They dont do anything to speed up the process or anything. I am batch 2992, just imaging how long it will cost for people that have ask their refund after 15 january.

I still waiting, they still said they are close to payout me but anyway they delay again.
People there dont know eachother in the support team, its just a mess, they dont make notifications nothing.

So everything u ask they must answer again and again.. Bunch of mess arround there.


my order is in batch 4 (order number #35xx). I request for refund in the beginning of April (after HF said they will postpone the delivery for 3 months), and soon I received the mail asking me to fill in the refund information. To fasten the process speed, I chose BTC instead of bank wire transfer. However, after I send my refund particulars to HF, I lost contact with them. They didn't send me any acknowledgement nor telling me when I can receive the refund. I send them several mails and still no reply...

I wonder if anyone has received the refund yet? How long did the processing take?

2-3 months to get the refund processed, such a "hash fast" processing speed...  lucky for you, at least HF has replied to you Smiley

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solarion
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April 24, 2014, 03:46:48 AM
 #158

2-3 months to get the refund processed, such a "hash fast" processing speed...  lucky for you, at least HF has replied to you Smiley

They'll get more responsive with an AG's dress shoe up their ass.
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April 24, 2014, 08:03:37 PM
 #159

stupid question coming up.
anyone received any notifications of batch 2 sierras being delivered?
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April 24, 2014, 08:27:47 PM
 #160

news update, all of batch 2 should be shipped by end of next week.
which is the 2nd of may resulting in another failed attempt of a delivery. il believe it when i see it
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