Hi everyone,
I have a MacBook Pro (13" mid-2009) who, I think, suffers from a bad firmware flash : from nowhere, or after an update, it makes 9 beeps when powered on (3 short, 3 long, 3 short) and nothing else. I have found references from similar cases when people seemed to have recovered by rewriting a good firmware with flashrom and buspirate ( http://ho.ax/tag/firmware/). On my machine I have : - a chip labelled MX25L3205DM2I-12G - buspirate 3.6 (v3b, firmware 5.10) - flashrom v0.9.6.1-r1620 - hooked (while the chip still on the motherboard (no power, battery out)) : pin1->CS, pin2->MISO, pin4->GND, pin5->MOSI, pin6->CLK, pin8->3.3v
* Pins 3,7 not connected. * I also tried pins 3,7,8 together with the same result.
What I get is flashrom ending with : Probing for Generic unknown SPI chip (RDID), 0 kB: RDID byte 0 parity violation. probe_spi_rdid_generic: id1 0x00, id2 0x00 Found Generic flash chip "unknown SPI chip (RDID)" (0 kB, SPI) on buspirate_spi. Probing for Generic unknown SPI chip (REMS), 0 kB: probe_spi_rems: id1 0x0, id2 0x0 Found Generic flash chip "unknown SPI chip (RDID)" (0 kB, SPI).
Any idea why?
Thanks. Mario.