Re: Raspberry Pi 3B and pitiful network speeds

From: MJ <mafsys1234_at_gmail.com>
Date: Mon, 21 Jun 2021 06:26:45 UTC
On 21/06/2021 1:04 pm, Mark Millard wrote:
>
> On 2021-Jun-20, at 19:16, MJ <mafsys1234 at gmail.com> wrote:
>
>
>> On 21/06/2021 7:29 am, Denis Ovsienko wrote:
>>> . . .
>>> As a separate note, in my setup ifconfig tells "100baseTX
>>> <full-duplex>", which is expected for RPI3B. In the original message it
>>> tells "1000baseT <full-duplex>", which means the board is RPI3B+ or
>>
>> Hi Denis.
>>
>> Yes, you're correct. This is the 3B+. I apologize for misrepresenting it. It is also the earlier version board,
>>
>> Built in 2017. I think it's version 1.1 (it's in a case, I don't feel like dismantling it).
> I do not have access to such for any testing, just a 3B. (Not
> a reasonable comparison.) In checking on that, I ran into the
> following information:
>
> https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
> only shows one revision for 3B+:
>
> Code	Model	Revision	RAM	Manufacturer
> . . .
> a020d3	3B+	1.3	1GB	Sony UK
> . . .
>
> Under RaspiOS the revision code shows up via: cat /proc/cpuinfo


Output of /proc/cpuinfo

cat /proc/cpuinfo
processor       : 0
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 1
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 2
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 3
BogoMIPS        : 38.40
Features        : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4