[ipxe-devel] "Installation failed" on 3Com 905B cards

[Quinn Plattel]

Hi Michael,

Here are the BIOS messages for the D-Link DFE-530TX card which is working
fine in the same system:

iPXE (http://ipxe.org) 05:00.0 6800 PCI3.00 PnP PMM+00106D80+00000000 CE80
Press Ctrl-B to configure iPXE (PCI 05:00.0)...

iPXE 1.0.0+ (b6ffe) -- Open Source Network Boot Firmware -- http://ipxe.org
Features: DNS HTTP TFTP ELF MBOOT PXE bzImage Menu PXEXT

net0: 00:05:5d:dd:c6:84 using dlink-530tx on 0000:05:00.0 (open)
  [Link:up, TX:0 TXE:0 RX:0 RXE:0]
Configuring (net0 00:05:5d:dd:c6:84)......... ok
net0: 10.0.0.136/255.255.255.0 gw 10.0.0.254
Next server: 10.0.0.254
etc....

Quinn

On Thu, Mar 14, 2019 at 12:28 AM Michael Brown <mcb30 at ipxe.org> wrote:

> On 13/03/2019 17:26, Quinn Plattel wrote:
> > Thanks for the quick response.  Here is the banner message:
> >
> > iPXE (http://ipxe.org) 04:04.0 6800 PCI3.00 PnP PMM+00106D80+00000000
> CE00
> > Press Ctrl-B to configure iPXE (PCI 04:04.0)...
>
> Thanks; that explains the root cause of the problem.
>
> The BIOS is allocating a PMM block at 0x106d80 to hold a copy of the raw
> ROM image, but failing the second PMM allocation for the temporary
> decompression area.
>
> The default temporary decompression area used by iPXE if PMM allocation
> fails is at 0x100000 (i.e. the start of high memory).  The decompressed
> ROM image is therefore overwriting the copy of the raw ROM image, which
> leads to the CRC32 checksum failure.
>
> What banner line did you get on this system with the (working) DFE-530TX?
>
> Thanks,
>
> Michael
>


-- 
Best regards/Ystävällisin terveisin/Med venlig hilsen,
Quinn Plattel
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