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
SeaBIOS 0.4.1
Available on 20090714. Major changes in this release:
- Support older versions of gcc that predate "-fwhole-program" (eg, v3.x)
- Add initial port of "LGPL vga bios" code into tree in "vgasrc/" directory
- Handle ATA drives still "spinning up" during SeaBIOS drive detect
- Add support for option rom Boot Connection Vectors (BCV)
- Enhance boot menu to support booting from any drive or any cdrom
- Support flash based Coreboot File System (CBFS)
- Support booting from a CBFS "payload"
- Support coreboot table forwarder
- Support compile time definitions for multiple root PCI buses
- New tools/readserial.py tool
- Several bug fixes and code cleanups