, the KSZ9021 does show some life so I am not 100% it is the problem. The clock is working since the D2 LED is blinking. The serial interface between FPGA and KSZ9021 is working as the FPGA

for the KSZ9021 which is usually used. I suspect it is more likely they built a few boards with the KSZ9031 but did not change to the 12.1K which is required. I have informed Makefabs of

has a KSZ9021 and the >>>>>> proper value of R34 for the KSZ9021, but the blink rate of the RUN LED is >>>>>> at the slower rate expected for the

which has ksz9021 support. There are two releases in the stable area and you want the latest one. I'll move the older one to avoid future confusion. I can't think of any reason

is a KSZ9021 or KSZ9031. >> The result of this read controls the frequency of D2. I'd like to check if >> this serial interface looks like it is in good shape, and if you

for the KSZ9021. >>> If you want to check the actual value of the pull-up, it is R34 on the >>> bottom side of the board. I think there was a picture with discussion >

is a KSZ9021. > Since D3 is blinking at twice the rate of D4, > the iset resistor is > the proper value for a KSZ9021, but you can see the > problems you are > seeing (and still

connections between KSZ9021 and FPGA. Thanks again, Neil G4BRK On Sunday, 28 May 2023 at 03:20:34 UTC softerh...@gmail.com wrote: > Hi Neil, > > It is interesting that the

(or KSZ9021 in newer units) because of a lightening strike. That would be my next recommendation if you want to continue. 73, Steve kf7o On Thursday, March 16, 2023 at 1:36:39 PM UTC-

recognize the KSZ9021 ethernet PHY used in newer HL2 builds. We are not sure when or how that happened, but restoring the latest factory image fixed all issues for me. As a general warning

KSZ9031 or KSZ9021. A couple of runs ago I added support for the KSZ9021 due to the chip shortage. Both work without and changes now. See: https://groups.google.com/g/hermes-lite

Hello everyone. I started researching PHY interfaces, and a couple of questions arose: 1. The B50612D chip does not have a 125 MHz clock output. We

used the KSZ9021 had 3 or 4 units with a wrong resistor value. The problem can manifest as you describe. Is your ethernet phy a KSZ9021 or KSZ9031? 73, Steve kf7o [https://groups.google

than the KSZ9021, but if I remember correctly, we are > using some manufacturer-specific settings for both. These > manufacturer-specific settings will have to be disabled

> is KSZ9021 then you are safe. If it is KSZ9031 then you will probably need > the fix. There were 5-7 units shipped with a KSZ9031 (left over stock from > a previous build), all

>> KSZ9021 change extensively before production. I doubt that it is a systemic >>>>> issue with the new build. >>>>> >>>>>

the dual KSZ9021/KSZ9031 ethernet PHY >>> support for the next build. Any and all testing and feedback is appreciated. >>> >>> 73, >>> >

the older KSZ9021. My understanding was that there were power supply issues for the KSZ9021 on the Hermes. The Hermes-Lite uses a totally different power supply architecture. I can

uses a KSZ9021 and the same RJ45 jack as on the CVA9 but has very clean routing to the RJ45 jack. They share their KiCAD files on github . Their routing is clean because they swap two of the

use the KSZ9021. V2 will use the >> KSZ9031. This is essentially a newer version of the part with lower current >> requirements. It is also available with less expensive

qualified the ksz9021 with the CVA9, and can't afford the time qualifying and updating the firmware to work with this. How did your Hermes-Lite build turn out? 73, Steve KF7O On

for the KSZ9021. I'm okay with a more generic footprint option for the oscillator so various ones can be used. I would like to settle on a frequency so that the firmware can stabilize

Arrow has posted a $149 price for the BeMicro CVA9 although there is no stock yet. (Go to www.arrow.

, the KSZ9021. What surprises me is that it has a 5CEFA9F23C8N which sells for $228, yet the board will supposedly sell for under $200. Even at that point it is a bit pricey. The BeMicro