On Thu, Jul 8, 2010 at 11:20, Carl-Daniel Hailfinger <[email protected]> wrote: > On 08.07.2010 06:35, Mattias Mattsson wrote: >> I'm using latest flashrom (r1070) on an Asus P2B-N h/w rev. 1.04. >> Unfortunately it can't find the flash chip. >> (It's a MVC V29C51002T-90P). > > That's pretty odd. Either the writes are not passed through to the chip, > or another probe sequence irritated it too much. You chipset talks > directly to the Parallel flash chip AFAICS. > > >> DMI string baseboard-manufacturer: "ASUSTeK Computer INC." >> DMI string baseboard-product-name: "P2B-N" >> DMI string baseboard-version: "REV 1.xx" >> DMI string chassis-type: "Unknown" >> Found chipset "Intel PIIX4/4E/4M", enabling flash write... chipset PCI ID is >> 8086:7110, OK. >> This chipset supports the following protocols: Parallel. >> [...] >> Probing for Winbond W49F002U, 256 KB: probe_jedec_common: id1 0x22, id2 >> 0xfd, id1 parity violation, id1 is normal flash content, id2 is normal flash >> content >> [...] >> No EEPROM/flash device found. > > Could you perform a cold boot (including removing the power plug), and > run flashrom exactly once after boot with the following command line: > > flashrom -V -c W49F002U
Sure, no problem. Output attached. I found a datasheet for V29C51002T/V29C51002B. Maybe it can be of help? http://www.ezoflash.com/datasheets/flash/Mosel_Vitelic/V29C51002.pdf -m
flashrom v0.9.2-r1070 on Linux 2.6.32-trunk-686 (i686), built with libpci 3.1.7, GCC 4.4.4, little endian flashrom is free software, get the source code at http://www.flashrom.org Calibrating delay loop... OS timer resolution is 7 usecs, 148M loops per second, delay more than 10% too short (got 68% of expected delay), recalculating... 140M loops per second, delay more than 10% too short (got 65% of expected delay), recalculating... 220M loops per second, 10 myus = 12 us, 100 myus = 101 us, 1000 myus = 979 us, 10000 myus = 9872 us, 28 myus = 31 us, OK. Initializing internal programmer No coreboot table found. DMI string system-manufacturer: "System Manufacturer" DMI string system-product-name: "System Name" DMI string system-version: "System Version" DMI string baseboard-manufacturer: "ASUSTeK Computer INC." DMI string baseboard-product-name: "P2B-N" DMI string baseboard-version: "REV 1.xx" DMI string chassis-type: "Unknown" Found chipset "Intel PIIX4/4E/4M", enabling flash write... chipset PCI ID is 8086:7110, OK. This chipset supports the following protocols: Parallel. Probing for Winbond W49F002U, 256 KB: probe_jedec_common: id1 0x22, id2 0xfd, id1 parity violation, id1 is normal flash content, id2 is normal flash content No EEPROM/flash device found. Note: flashrom can never write if the flash chip isn't found automatically.
_______________________________________________ flashrom mailing list [email protected] http://www.flashrom.org/mailman/listinfo/flashrom
