<span class="gmail_quote"><br></span>Hi all..<br> <br> I have worked with PM49fl00x.diff patch ,its worked fine and i got the output as below <br> <br>[root@localhost ~]# flashrom
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">Pm49FL004 found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is Pm49FL004 (512 KB).</p>
<p style="margin-bottom: 0in;">No operations were specified.</p><p style="margin-bottom: 0in;"><br></p>
<p style="margin-bottom: 0in;">[root@localhost ~]# flashrom -r
backup.bin</p>
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">Pm49FL004 found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is Pm49FL004 (512 KB).</p>
<p style="margin-bottom: 0in;">Reading Flash...done</p><p style="margin-bottom: 0in;"><br></p>
<p style="margin-bottom: 0in;">[root@localhost ~]# flashrom -E</p>
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">Pm49FL004 found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is Pm49FL004 (512 KB).</p>
<p style="margin-bottom: 0in;">Erasing flash chip</p>
<p style="margin-bottom: 0in;">Erasing page: 0007 at address:
0x00070000</p><p style="margin-bottom: 0in;"><br></p>
<p style="margin-bottom: 0in;">[root@localhost ~]# flashrom -w
backup.bin</p>
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">Pm49FL004 found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is Pm49FL004 (512 KB).</p>
<p style="margin-bottom: 0in;">Flash image seems to be a legacy BIOS.
Disabling checks.</p>
<p style="margin-bottom: 0in;">Programming page: 0007 at address:
0x00070000</p><p style="margin-bottom: 0in;"><br></p>
<p style="margin-bottom: 0in;">[root@localhost ~]# flashrom -v
backup.bin</p>
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">Pm49FL004 found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is Pm49FL004 (512 KB).</p>
<p style="margin-bottom: 0in;">Flash image seems to be a legacy BIOS.
Disabling checks.</p>
<p style="margin-bottom: 0in;">Verifying flash... VERIFIED.</p><br>************************************************************************************************************************************** <br>
<br> Now i am working on
SST49LF004B <br> 33-4C-NHE <br> 0710022-CA with the motherboard K8Upgrade-VM800<br> <br> The flashrom detect flash device on this board, But the erasing and writting operation is not happening properly<br>
hier flashrom output :<br><br> [root@localhost ~]# flashrom
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">SST49LF004A/B found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is SST49LF004A/B (512 KB).</p>
<p style="margin-bottom: 0in;">No operations were specified.</p><p style="margin-bottom: 0in;"><br></p>
<p style="margin-bottom: 0in;">[root@localhost ~]# flashrom -E</p>
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">SST49LF004A/B found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is SST49LF004A/B (512 KB).</p>
<p style="margin-bottom: 0in;">Erasing flash chip</p><p style="margin-bottom: 0in;"><br></p>
<p style="margin-bottom: 0in;">[root@localhost ~]# flashrom -w
backup.bin</p>
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">SST49LF004A/B found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is SST49LF004A/B (512 KB).</p>
<p style="margin-bottom: 0in;">Flash image seems to be a legacy BIOS.
Disabling checks.</p>
<p style="margin-bottom: 0in;">Programming page: 0007 at address:
0x00070000</p><p style="margin-bottom: 0in;"><br></p>
<p style="margin-bottom: 0in;">[root@localhost ~]# flashrom -v
backup.bin</p>
<p style="margin-bottom: 0in;">Calibrating delay loop... OK.</p>
<p style="margin-bottom: 0in;">No coreboot table found.</p>
<p style="margin-bottom: 0in;">Found chipset "VIA VT8237",
enabling flash write... OK.</p>
<p style="margin-bottom: 0in;">SST49LF004A/B found at physical address
0xfff80000.</p>
<p style="margin-bottom: 0in;">Flash part is SST49LF004A/B (512 KB).</p>
<p style="margin-bottom: 0in;">Flash image seems to be a legacy BIOS.
Disabling checks.</p>
<p style="margin-bottom: 0in;">Verifying flash... FAILED!</p><p style="margin-bottom: 0in;">Now we are analysing the code but we are not getting idea...<br></p><p style="margin-bottom: 0in;"> please guide us how to change the code ..we are ready to fix the things.</p>
<br>Thanks in advance........<br><p style="margin-bottom: 0in;">with regards,</p><p style="margin-bottom: 0in;">Malatesh kamatad..<br></p><p style="margin-bottom: 0in;"><br></p>
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