Releases

History of SeaBIOS releases. Please see Download for information on obtaining these releases.

SeaBIOS 0.5.1

Available on 20100108. Major changes in this release:

• Support for 32bit PCI BIOS
• Support for int1589 calls
• MPTable fixes for OpenBSD
• ATA DMA and bus-mastering support
• Several bug fixes and code cleanups

SeaBIOS 0.5.0

Available on 20091218. Major changes in this release:

• Several enhancements ported from the Bochs BIOS derived code in qemu and kvm
• Support for parallel hardware initialization to reduce bootup times
• Enable PCI option rom support by default (Bochs users must now enable CONFIG_OPTIONROMS_DEPLOYED in src/config.h). Support added for extracting option roms from qemu "fw_cfg".
• Initial support for USB keyboards
• SeaBIOS can now be greater than 64K
• Support for permanent low memory allocations
• APIC "local interrupts" now enabled in SeaBIOS (on emulators)
• Several bug fixes and code cleanups

SeaBIOS 0.4.2

Available on 20090909. Major changes in this release:

• Implement Post Memory Manager (PMM) support. Use equivalent "malloc" functions for internal allocations as well.
• Refactor disk "block" interface for greater expandability
• Support CBFS based floppy images
• Allow boot menu to select either floppy to boot from
• Increase ebda size to store a CDROM harddrive/floppy emulation buffer
• Support systems with multiple vga cards (only the card with the legacy IO ranges mapped will have its option rom executed)
• Make option rom memory be writable during option rom execution (on emulators)
• Compile version number into code and report on each boot
• Several bug fixes and code cleanups