Ch341a

[Chuck Wilson]

Received the following message:  "Read is not working on this chip.
Aborting." while trying to read a "PM25LQ010"

Here is the exact programmer I have:
SOIC8 SOP8 Flash Chip/IC Test Clip with Adapters and CH341A 24 25 Series
EEPROM Flash BIOS USB Programmer

Amazon Link:
https://www.amazon.com/gp/product/B08CDCPPTZ/ref=ppx_yo_dt_b_asin_title_o07_...

The PM25LQ010 I would like to read/write is on a Nvidia GTS 450 Video
Card.  Flashrom Version 1.2 has detected my CH341A USB device but unable to
detect the Bios Chip.  Included a picture of the physical Bios.  If there
is more information I can provide please let me know.

Chuck

[Mike Banon]

Looking at https://github.com/flashrom/flashrom/blob/master/flashchips.h
file, line ~600, I see there's an ID for PMC_PM25LQ020 but no ID for
PMC_PM25LQ010 (which is probably 0x41 but you should check a chip
datasheet), you'll need to add this. In addition, there's a
flashchips.c file which contains a data structure for a PMC_PM25LQ020
chip around ~12370 line - you'll need to copy-paste it for
PMC_PM25LQ010 and change a couple of values (name and chip size) to
match it. Then try to rebuild a flashrom with these modifications and
run it.

On Sun, Jan 17, 2021 at 3:38 AM Chuck Wilson  wrote:
> Received the following message:  "Read is not working on this chip. Aborting." while trying to read a "PM25LQ010"
>
> Here is the exact programmer I have:
> SOIC8 SOP8 Flash Chip/IC Test Clip with Adapters and CH341A 24 25 Series EEPROM Flash BIOS USB Programmer
>
> Amazon Link:
> https://www.amazon.com/gp/product/B08CDCPPTZ/ref=ppx_yo_dt_b_asin_title_o07_...
>
> The PM25LQ010 I would like to read/write is on a Nvidia GTS 450 Video Card.  Flashrom Version 1.2 has detected my CH341A USB device but unable to detect the Bios Chip.  Included a picture of the physical Bios.  If there is more information I can provide please let me know.
>
> Chuck
> _______________________________________________
> flashrom mailing list -- [e-mail]
> To unsubscribe send an email to [e-mail]

[Chuck Wilson]

Ok, I will download the Datasheet and see if I can get this working.
Thanks for the info Mike.

On Sat, Jan 23, 2021 at 2:17 AM Mike Banon  wrote:
> Looking at https://github.com/flashrom/flashrom/blob/master/flashchips.h
> file, line ~600, I see there's an ID for PMC_PM25LQ020 but no ID for
> PMC_PM25LQ010 (which is probably 0x41 but you should check a chip
> datasheet), you'll need to add this. In addition, there's a
> flashchips.c file which contains a data structure for a PMC_PM25LQ020
> chip around ~12370 line - you'll need to copy-paste it for
> PMC_PM25LQ010 and change a couple of values (name and chip size) to
> match it. Then try to rebuild a flashrom with these modifications and
> run it.
>
> On Sun, Jan 17, 2021 at 3:38 AM Chuck Wilson 
> wrote:
> > Received the following message:  "Read is not working on this chip.
>
> Aborting." while trying to read a "PM25LQ010"
> > Here is the exact programmer I have:
> > SOIC8 SOP8 Flash Chip/IC Test Clip with Adapters and CH341A 24 25 Series
>
> EEPROM Flash BIOS USB Programmer
> > Amazon Link:
>
> https://www.amazon.com/gp/product/B08CDCPPTZ/ref=ppx_yo_dt_b_asin_title_o07_...
> > The PM25LQ010 I would like to read/write is on a Nvidia GTS 450 Video
>
> Card.  Flashrom Version 1.2 has detected my CH341A USB device but unable to
> detect the Bios Chip.  Included a picture of the physical Bios.  If there
> is more information I can provide please let me know.
> > Chuck
> > _______________________________________________
> > flashrom mailing list -- [e-mail]
> > To unsubscribe send an email to [e-mail]