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| Not all network cards will support a ''.mrom'' image. To support a ''.mrom'' image, a network card must have at least one PCI memory BAR that is at least as large as its expansion ROM BAR. For example, if the network card has a 128kB expansion ROM BAR and a 256kB memory BAR, then it will be able to support a ''.mrom'' image up to 128kB in size. | Not all network cards will support a ''.mrom'' image. To support a ''.mrom'' image, a network card must have at least one PCI memory BAR that is at least as large as its expansion ROM BAR. For example, if the network card has a 128kB expansion ROM BAR and a 256kB memory BAR, then it will be able to support a ''.mrom'' image up to 128kB in size. | ||
| - | ==== EFI ==== | + | ==== UEFI ==== |
| - | iPXE supports the EFI and UEFI environments, as well as the standard PC BIOS. You can build an EFI driver ROM using the ''.efirom'' image format. For example: | + | iPXE supports both UEFI and BIOS platforms. You can build a UEFI ROM using the ''.efirom'' image format. For example: |
| - | make bin-i386-efi/808610de.efirom # 32-bit driver ROM | + | make bin-x86_64-efi/808610de.efirom |
| - | make bin-x86_64-efi/808610de.efirom # 64-bit driver ROM | + | |
| - | It is also possible to build a generic EFI binary you can start from the UEFI shell or firmware. For example: | + | where **808610de** is constructed from the network card's PCI vendor and device IDs. |
| - | make bin-x86_64-efi/ipxe.efi # 64-bit EFI binary (try this first) | + | You can also build a ''.efi'' executable which you can [[:howto:chainloading|chainload]] from an existing UEFI ROM (or run directly from the UEFI shell): |
| - | make bin-x86_64-efi/snponly.efi # 64-bit EFI binary (SNP/NII driver only) | + | |
| - | make bin-i386-efi/ipxe.efi # 32-bit EFI binary (only used on older Apple machines) | + | |
| - | + | ||
| - | In most situations you'd want the 64-bit ipxe.efi that includes iPXE-provided native drivers. If your network adapter is not supported by iPXE directly, you can still use the SNP/NII driver using [[:howto/chainloading|chainloading]]. The DHCP/TFTP setup is the same as you use for legacy BIOS environments, but you use ''ipxe.efi/snponly.efi'' instead of ''ipxe.pxe/undionly.kpxe''. See the [[:examples|example section]] for more help. | + | |
| + | make bin-x86_64-efi/ipxe.efi | ||
