So if Terrahash is starting to take orders tomorrow and you are no where near functional firmware and they expect chips in a less than a month, will they be able to deliver a functional product?

I'm answering this question with some information already posted instead of harassment.

The PCB has the OSHW logo right in the middle. Therefore, the project should abide by OSHW principles stated here:

http://freedomdefined.org/OSHW

Note: I am not implying that the project is not complying with OSHW principles.

What are you implying here anyway? I've been lurking on this thread since the beginning. IMO this is clearly BKKCoins' project.

Yes, the original plans are open source, but he's made significant changes to the design. And yes, he's has help and support from a number of sources.

But the project is still "His". Every open source project has an "owner", why would this one be different? With this project, that person is unquestionably BKKCoins.

Terrahash posted "at the last minute" that they needed more details about the design, as they would be selling boards.

BkkCoins made what I feel must have been a difficult choice to release further information on a design he has yet to test. But he decided to do so for the benefit of all. I applaud him for that.

So yes, please do give respect where it's due!

http://www.digchip.com/datasheets/parts/datasheet/129/AP6502-pdf.php

L should connect to pin 3 (SW) and C between pin 1 and 3. Have not checked nano schemas yet.
AP6502 have only 75% efficiency 5v in 1.2v out 2A range. 5v*500mA=2.5W *75%=1.875w to chip (max. other components need power too). I recommend change better converter.

Good point! I don´t get the 75%.

I guess that 5V*500mA is th USB port current limit; so 5V*500mA*0.9= 2.25W can be delivered by the converter at max current of USB port.

(I haven't gotten caught up ITT)

I'm getting at least 1 sample chip (maybe a second) from one of my group buys.  I'll be having a local PCB assembly house build up a K16 with one of the asics on it (one chip per pcb) and then doing some burnin and Overclocking tests, as well as thermal analysis, and then publish the results here.

Not sure when the chips will be in, but i also have the microcontrollers due to arrive at the end of june so it would be after that.

I'll have to check/talk with people about the k16 PCB assembly revision, i can build up one without asics (test it with a fixed resistive load or similar) and if it looks good, build the assembly with the asic.  Especially if i have only one, i'll have to make sure it's good to go.

I think BkkCoins will be getting quite a few chips from people though?

Probably. Maybe. It should not take long to get the firmware functional now. But things can go wrong and if they do then it could take much longer. If the reports from burnin of the ASIC being very fussy about it's data clocking are accurate then there is a good chance that getting ASIC comm could take us off track. Any change that forces redesign will mean new boards and at least a 2 week set back. But we don't know that yet. I'll be testing ASIC comm. initially on a K1 as it's much simpler and so I can focus on just a single chip. One of the design faults of the ASIC as far as I can tell is that it doesn't provide a way to confirm data receipt (unless that is what one of the debug signals is for - but they are undocumented, and everything else is very minimally documented.) So the only way I know of now is to feed data that should immediately or soon after give a result and check for result data output. There could have been much smarter communication design but for whatever reasons we don't have that luxury here.