-------------------------------------------------------------------------------- Read 1 original memory. $ time flashrom --programmer ch341a_spi --chip "GD25Q40(B)" --read SAMSUNG-LS23C350H-00-original-GD25Q40B.bin -V flashrom v1.0 on Linux 4.20.3-gentoo (x86_64) flashrom is free software, get the source code at https://flashrom.org
flashrom was built with libpci 3.6.2, GCC 8.2.0, little endian Command line (7 args): flashrom --programmer ch341a_spi --chip GD25Q40(B) --read SAMSUNG-LS23C350H-00-original-GD25Q40B.bin -V Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns). Initializing ch341a_spi programmer Device revision is 3.0.4 The following protocols are supported: SPI. Probing for GigaDevice GD25Q40(B), 512 kB: probe_spi_rdid_generic: id1 0xc8, id2 0x4013 Found GigaDevice flash chip "GD25Q40(B)" (512 kB, SPI) on ch341a_spi. Chip status register is 0x00. Chip status register: Status Register Write Disable (SRWD, SRP, ...) is not set Chip status register: Block Protect 4 (BP4) is not set Chip status register: Block Protect 3 (BP3) is not set Chip status register: Block Protect 2 (BP2) is not set Chip status register: Block Protect 1 (BP1) is not set Chip status register: Block Protect 0 (BP0) is not set Chip status register: Write Enable Latch (WEL) is not set Chip status register: Write In Progress (WIP/BUSY) is not set === This flash part has status UNTESTED 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 flashrom@flashrom.org 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! Reading flash... done.
real 0m4,524s user 0m0,191s sys 0m0,006s
-------------------------------------------------------------------------------- Read 2 original memory. $ time flashrom --programmer ch341a_spi --chip "GD25Q40(B)" --read SAMSUNG-LS23C350H-01-original-GD25Q40B.bin -V flashrom v1.0 on Linux 4.20.3-gentoo (x86_64) flashrom is free software, get the source code at https://flashrom.org
flashrom was built with libpci 3.6.2, GCC 8.2.0, little endian Command line (7 args): flashrom --programmer ch341a_spi --chip GD25Q40(B) --read SAMSUNG-LS23C350H-01-original-GD25Q40B.bin -V Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns). Initializing ch341a_spi programmer Device revision is 3.0.4 The following protocols are supported: SPI. Probing for GigaDevice GD25Q40(B), 512 kB: probe_spi_rdid_generic: id1 0xc8, id2 0x4013 Found GigaDevice flash chip "GD25Q40(B)" (512 kB, SPI) on ch341a_spi. Chip status register is 0x00. Chip status register: Status Register Write Disable (SRWD, SRP, ...) is not set Chip status register: Block Protect 4 (BP4) is not set Chip status register: Block Protect 3 (BP3) is not set Chip status register: Block Protect 2 (BP2) is not set Chip status register: Block Protect 1 (BP1) is not set Chip status register: Block Protect 0 (BP0) is not set Chip status register: Write Enable Latch (WEL) is not set Chip status register: Write In Progress (WIP/BUSY) is not set === This flash part has status UNTESTED 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 flashrom@flashrom.org 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! Reading flash... done.
real 0m4,542s user 0m0,187s sys 0m0,006s
-------------------------------------------------------------------------------- List and compare the two reads.
$ ls -l SAMSUNG-LS23C350H-0?-original-GD25Q40B.bin -rw-r--r-- 1 nestor nestor 524288 ene 23 03:38 SAMSUNG-LS23C350H-00-original-GD25Q40B.bin -rw-r--r-- 1 nestor nestor 524288 ene 23 03:40 SAMSUNG-LS23C350H-01-original-GD25Q40B.bin
$ ls -lh SAMSUNG-LS23C350H-0?-original-GD25Q40B.bin -rw-r--r-- 1 nestor nestor 512K ene 23 03:38 SAMSUNG-LS23C350H-00-original-GD25Q40B.bin -rw-r--r-- 1 nestor nestor 512K ene 23 03:40 SAMSUNG-LS23C350H-01-original-GD25Q40B.bin
$ cmp SAMSUNG-LS23C350H-00-original-GD25Q40B.bin SAMSUNG-LS23C350H-01-original-GD25Q40B.bin -b
All ok, the compare are equals.
$ eix -I flashrom [I] sys-apps/flashrom Available versions: 0.9.6.1 0.9.7 0.9.8 (~)0.9.9 (~)1.0 **9999 {atahpt +atapromise +atavia +bitbang_spi +buspirate_spi +ch341a_spi (+)dediprog +developerbox_spi +digilent_spi doc +drkaiser +dummy (+)ft2232_spi +gfxnvidia +internal +internal_dmi +it8212 +linux_mtd +linux_spi mstarddc_spi +nic3com +nicintel +nicintel_eeprom +nicintel_spi nicnatsemi (+)nicrealtek +ogp_spi +pickit2_spi +pony_spi (+)rayer_spi (+)satamv +satasii +serprog static tools usbblaster +usbblaster_spi +wiki} Installed versions: 1.0(03:41:50 07/11/18)(buspirate_spi ch341a_spi dummy ft2232_spi internal internal_dmi linux_spi pickit2_spi pony_spi serprog tools wiki -atahpt -atapromise -atavia -dediprog -drkaiser -gfxnvidia -it8212 -mstarddc_spi -nic3com -nicintel -nicintel_eeprom -nicintel_spi -nicnatsemi -nicrealtek -ogp_spi -rayer_spi -satamv -satasii -static -usbblaster_spi) Homepage: https://flashrom.org/ Description: Utility for reading, writing, erasing and verifying flash ROM chips
I'am gentoo testing branck ~amd64 and I have ch341a and buspirate 3.5c, my motherboard is Gigabyte GA-990FXA-UD7 r1.00 with AMD FX8350 processor.
Regards and thaks for make flashrom great!