probleme read flashrom

Hello,

I'm tried to read bios of PCB Western Digital to write it on a new PCB. 
But I have a problem.

I use Ubuntu OS version 16.04.

This is the error message what I have I write the command "sudo flashrom 
--programmer ch341a_spi -r new.bin :

before this command, I have installed package with the command "sudo apt 
install flashrom"

**************

itr@itr-K52Je:~$ sudo flashrom --programmer ch341a_spi -r new.bin
flashrom v0.9.9-rc1-r1942 on Linux 4.4.0-142-generic (x86_64)
flashrom is free software, get the source code at https://flashrom.org

Calibrating delay loop... OK.
Found Generic flash chip "unknown SPI chip (RDID)" (0 kB, SPI) on 
ch341a_spi.
===
This flash part has status NOT WORKING for operations: PROBE READ ERASE 
WRITE
The test status of this chip may have been updated in the latest development
version of flashrom. If you are running the latest development version,
please email a report to [e-mail] if any of the above 
operations
work correctly for you with this flash chip. Please include the flashrom log
file for all operations you tested (see the man page for details), and 
mention
which mainboard or programmer you tested in the subject line.
Thanks for your help!
Read is not working on this chip. Aborting.
***************************

Can you help me, please,

Thanks you

Sebastien

[Angel Pons]

Hello

On Fri, Mar 15, 2019, 16:27 [e-mail] <[e-mail] wrote:
> flashrom v0.9.9-rc1-r1942 on Linux 4.4.0-142-generic (x86_64)
> flashrom is free software, get the source code at https://flashrom.org

This version is old, and may support less chips. Consider getting a newer
version (e.g. from git).

Regards,

Angel Pons