Re: [GUIDE] B's Moderated Biased & Opinionated Miner Sellers Trustworthiness Guide
ASICMiner doing what it can to rectify issues with old Prisma. This is how good companies stay good companies.There were a number of issues as we noted from consumers a few months back and it is nice to see that Asicminer is stepping up admitting problems and looking to compensate their customers.
Till now we received enough returned Prismas to get a statistical conclusion.
We decide that the old Prisma design has some flaws in both firmware and hardware.
Therefore manually fixing them and shipping them back take too long and are
not good for both our customers and us.
So the customers can choose one in the two offerings below:
1. We buy back the Prismas at the original price the customers pay.
The customers only need to ship the controller and the hashing boards back.
The fans and heatsinks are not needed. Customers who already shipped them back
can also switch to this option.
2. We use revised version of Prismas based on our new power management chips
to replace old ones, instead of returning old designs or replacing. This version is very
stable and has no problem of hashrate loss/overheat/can't identify boards/etc.
The compensation method for mining time loss is the same as before.
We cover shipping fee of both, if you can provide the shipping label.
We are very sorry for all the problems brought with the old version Prisma. The revised Prisma with our
own power management chips is much more stable. So if you are still able to put some trust on it and
accept the waiting of compensation (it accumulates with each delayed date anyway), you can choose
the second.
Please email us to sale@bitquan.com with the following information and format:
* Personal info,shipping address,tel number
* Date of buying our Prisma
* Your previous individual/exclusive btc payment address
* Number of broken Prsima boards (have to be fit well with the number you shipped back)
* Date you received your miners,date of shipping back
* The picture of the shipping label with the shipping price on it
* Your btc receivable address. it will be best to be the one you paid to us before. If the btc
receiving address is different, please sign the message with your address used for payment if you could.
For customers who already shipped back, please mail to us again (sale@bitquan.com) about the choice
you want to take.
Phasebird will reply afterwards with the new shipping address within US and EU. It
allows quicker turn-around time.
We decide that the old Prisma design has some flaws in both firmware and hardware.
Therefore manually fixing them and shipping them back take too long and are
not good for both our customers and us.
So the customers can choose one in the two offerings below:
1. We buy back the Prismas at the original price the customers pay.
The customers only need to ship the controller and the hashing boards back.
The fans and heatsinks are not needed. Customers who already shipped them back
can also switch to this option.
2. We use revised version of Prismas based on our new power management chips
to replace old ones, instead of returning old designs or replacing. This version is very
stable and has no problem of hashrate loss/overheat/can't identify boards/etc.
The compensation method for mining time loss is the same as before.
We cover shipping fee of both, if you can provide the shipping label.
We are very sorry for all the problems brought with the old version Prisma. The revised Prisma with our
own power management chips is much more stable. So if you are still able to put some trust on it and
accept the waiting of compensation (it accumulates with each delayed date anyway), you can choose
the second.
Please email us to sale@bitquan.com with the following information and format:
* Personal info,shipping address,tel number
* Date of buying our Prisma
* Your previous individual/exclusive btc payment address
* Number of broken Prsima boards (have to be fit well with the number you shipped back)
* Date you received your miners,date of shipping back
* The picture of the shipping label with the shipping price on it
* Your btc receivable address. it will be best to be the one you paid to us before. If the btc
receiving address is different, please sign the message with your address used for payment if you could.
For customers who already shipped back, please mail to us again (sale@bitquan.com) about the choice
you want to take.
Phasebird will reply afterwards with the new shipping address within US and EU. It
allows quicker turn-around time.
Skeptical customer warns community not to get too positive:I just submitted my info for compensation to sale@bitquan.com again. I am still skeptical till I get a reply back or see something in my wallet.
Keep us informed about your status please.!
You can count on that!
Good customer service!
I really wish people would read what's going on before praising AM. Many people have had issues, then when we try to contact AM for a solution we get silence or a promise that isn't kept.
Recap on my situation. Prismas arrived Nov 6 and caught fire Nov 10th in 75f weather. I was instructed to return the damaged boards keeping the good ones and that a new prisma would be sent as compensation. The damaged board was sent back and cleared HK customs Nov 18th. Nov 24th I finally get a reply from AM regarding my inquiry to them receiving my defective unit, they asked for a tracking number then went silent. Several emails and PM's later and I get a reply on Nov 29th that replacement boards not a prisma were shipped to CrazyGuy. Replacement board arrives Dec 6th, many emails and PM's later and this thread is the first response I have seen regarding compensation.
Good customer service requires communication. I will work with people and understand when things need to change but it needs to be communicated. Promising one thing then going silent for days and weeks especially with time sensitive equipment like this is not good customer service.
Also noted that they are working on a new chip. BE300 check it out here. This might put SpondooliesTech on notice that Asicminer is not just a has been chip fabricator. Seems very interesting they are going to have something out before SPTech's newer chips.
We are glad to announce ASICMiner's 4th generation chip. From the physical testing data
of our verification sample, BE300S, the silicon results matches the simulation results faithfully,
and even outperforms our simulation in some cases. BE300S achieved the lowest energy
consumption per gigahash in existing market, getting the joule/gh ratio down below 0.2.
Furthermore, our string-based power solution eliminates almost all power losses and almost
all electric components on the board. Therefore on-wall power consumption would be very close
to (on-chip power/PSU efficiency), and the overall system cost is squeezed to its minimum.
Name: BE300S (Sample)
Technology: TSMC 28nm HPC
Package: FCLGA 5mm x 5mm
On chip efficiency (first board):
3.0GH/s | 0.1872W/G
4.8GH/s | 0.2275W/G
5.2GH/s | 0.2469W/G
On board efficiency (average of 4 boards):
2.8GH/s | 0.1961W/G
3.2GH/s | 0.2026W/G
3.6GH/s | 0.2095W/G
4.0GH/s | 0.2145W/G
4.8GH/s | 0.2204W/G
5.2GH/s | 0.2257W/G
5.6GH/s | 0.2314W/G
6.4GH/s | 0.2363W/G
6.8GH/s | 0.2439W/G
7.2GH/s | 0.2495W/G
We are still testing more voltage-frequency combinations, as well as more chips.
But the test results are stable and solid so far.
After the thorough testing of single chip boards, we are going to test boards with chained chips.
Single chip board picture:
Testing going on:
More data and pictures are to be updated.
of our verification sample, BE300S, the silicon results matches the simulation results faithfully,
and even outperforms our simulation in some cases. BE300S achieved the lowest energy
consumption per gigahash in existing market, getting the joule/gh ratio down below 0.2.
Furthermore, our string-based power solution eliminates almost all power losses and almost
all electric components on the board. Therefore on-wall power consumption would be very close
to (on-chip power/PSU efficiency), and the overall system cost is squeezed to its minimum.
Name: BE300S (Sample)
Technology: TSMC 28nm HPC
Package: FCLGA 5mm x 5mm
On chip efficiency (first board):
3.0GH/s | 0.1872W/G
4.8GH/s | 0.2275W/G
5.2GH/s | 0.2469W/G
On board efficiency (average of 4 boards):
2.8GH/s | 0.1961W/G
3.2GH/s | 0.2026W/G
3.6GH/s | 0.2095W/G
4.0GH/s | 0.2145W/G
4.8GH/s | 0.2204W/G
5.2GH/s | 0.2257W/G
5.6GH/s | 0.2314W/G
6.4GH/s | 0.2363W/G
6.8GH/s | 0.2439W/G
7.2GH/s | 0.2495W/G
We are still testing more voltage-frequency combinations, as well as more chips.
But the test results are stable and solid so far.
After the thorough testing of single chip boards, we are going to test boards with chained chips.
Single chip board picture:
Testing going on:
More data and pictures are to be updated.