On Mon, 18 Aug 2014 17:38:04 +0200 Marli LI <[email protected]> wrote:
> Hello all, > > I need some help to get this chip MX25L12835FMI-10G manufactured by > Macronix to work w/ flashrom. > > I already asked for help on #flashrom IRC channel, but I was referred > to ask on this mailing list. > In fact, before I connected everything I asked on IRC if this chip is > "already" supported, and someone from IRC did double-check it and said > that the other MX25L128 chip model that IS supported is very similar > and identifies itself w/ same code/id (he got this info from > spreadsheet that I've linked below). > > So here is my output of flashrom (I've tried both the svn version and > the one shipped with ubuntu packages w/ identical results): > http://paste.flashrom.org/view.php?id=2658 > > > The chip's datasheet should be this one: > http://www.macronix.com/Lists/Datasheet/Attachments/1587/MX25L12835F,%203V,%20128Mb,%20v1.3.pdf > On page 7 you can see the pin-out. The chip type I have has 16 (= 8x2) > pins. There are several NC labels in the pin-out therefore I didn't > connect those. > > For the rest of the connections I followed this site: > http://flashrom.org/Bus_Pirate (because I use a bus pirate w/ > hardware version 3.6 ). > The chip itself is directly attached to a pomona 5252 (SOIC-16) test clip. > > What follows are some pics of my setup + chip. > > Any hints and help would be very much appreciated because I am kind of stuck. > > Ps. Today I discovered something interesting in the spreadsheet; the > 10 (from -10g suffix) stands for 10: 104MHz . Do I need to set > spispeed to a higher level b/c of this? > > Thx again > > - - - IMAGES - - - > > Macronix MX25L12835FMI-10G chip (16 pins): http://postimg.org/image/y7ykedq6r/ > Pomona soic-16 test clip 5252 : http://postimg.org/image/gqru9oum7/ > Bus pirate hw version 3.6 : http://postimg.org/image/80a7zp0ub/ > Test clip + chip, direction (where point is): > http://postimg.org/image/koc4h655d/ > Chip attached: http://postimg.org/image/4ywrbnnst/ As discussed on IRC, this is probably caused by bad connections or not enough power supplied to the chip. The frequency stated for flash chip is a maximum and slower programmers work fine (most mainboards do not use more than ~50 MHz either). -- Kind regards/Mit freundlichen Grüßen, Stefan Tauner _______________________________________________ flashrom mailing list [email protected] http://www.flashrom.org/mailman/listinfo/flashrom
