According to the schematic the power lines are shared. How could I check if the EC is powered when accessing the flashing chip ?
On Fri, May 25, 2018, 3:02 PM Mike Banon <[email protected]> wrote: > > Directly flashing the SPI chip maybe be dangerous since the EC can > interfere unless the SPI chip is desoldered. > > EC will not interfere if the board will be powered off, and you could > directly flash a SPI chip without desoldering by attaching a test clip > to it (which is connected to a flashrom-supported programmer like a > cheap CH341A). Examples of the instruction: > https://www.flashrom.org/ISP , > http://dangerousprototypes.com/docs/Flashing_a_BIOS_chip_with_Bus_Pirate > (for CH341A its the same, just a connection scheme and flashrom > commands are a little bit different) > > On Fri, May 25, 2018 at 9:06 AM, Curi0 <[email protected]> wrote: > > Hi, > > I have a laptop with ITE 8518 and I want to try to port coreboot. The SPI > > flash chip is shared between the EC and BIOS and is connected to the ITE > > 8518. Directly flashing the SPI chip maybe be dangerous since the EC can > > interfere unless the SPI chip is desoldered. > > > > The ITE 8518 has a mode where the keyboard connector can be used a > parallel > > port for flashing > > ( > http://www.recomb-omsk.ru/published/SC/html/scripts/doc/94689_datasheet_IT8512E_F_V0.4.1.pdf > > similar chip) but there isn't any information on the software required. > This > > video (https://www.youtube.com/watch?v=GYedPOLiUOo) shows flashing the > BIOS > > using a proprietary programmer software so it should be possible. > > > > So is there any way I could reverse engineer the parallel port if I don't > > have access to the ITE flashing software and the programmer in the video > > costs $150 and even if it could be reverse engineered there won't be any > way > > to see the raw parallel port commands it sends.Possibly there are some > > documents floating on the internet with the information. > > > > Curi0 > > > > _______________________________________________ > > flashrom mailing list > > [email protected] > > https://mail.coreboot.org/mailman/listinfo/flashrom >
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