# BeOS Release 4.5.1: Release Notes

BeOS Release 4.5.1 is an update to BeOS Release 4.5. In addition to a number of bug fixes, this update contains a driver for the 3Com 3c905C network card, a driver for Creative Lab's EMU APS/10K1 audio processor chip, and support for Adaptec's 7890 Ultra2 ("ultra2-wide bandwidth") SCSI controller.

To install this release, simply double-click the file called R4.5 Update 1.

The contents of Release 4.5.1 are listed below—but you don't need to understand the exact nature of these details to gain the benefits that come from downloading and installing this update. If something didn't work in BeOS Release 4.5, try it again after installing Release 4.5.1.

New and Improved Drivers

- New! Adaptec 7890 (Ultra2) support
- New! EMU APS/10K1 driver
- New! 3Com 3c905C
- Fixed the NE-2000 driver to handle bad packets
- Fixed a crash in the 3com 3c905 driver
- Fixed a crash caused by the DEC ethernet chipset driver
- Fixed Symbios controllers to recognize drive ID's greater than 7
- Fixed the ATI driver to work on more machines
- Fixed the Matrox driver so the frame buffer does'nt cross a 4MB boundary
- Fixed the TNT-2 driver to recognize more cards
- Fixed ess Solo-1 recording on the SiS 5595 chipset
- Fixed a crashing bug in the ess Solo-1 driver
- Fixed many bugs in the BT-848 driver and media node

General Bug Fixes

- Fixed a USB kernel memory corruption problem
- Fixed a kernel bug related to profiling on muylti-processor systems
- Fixed clone_area() so it works on physical areas
- Fixed a watchpoints-setting problem in bdb
- Fixed WAV file writing from 3dsound
- Fixed AIFF file writing so the files work on other OS's
- Fixed the MS-ADPCM encoder on PowerPC
- Fixed the DV encoder so it no longer crashes when passed a bad format
- Fixed the PPP script so it will work with more ISPs
- Fixed the JPEG and PNG interpreters to handle non-32bit images better
- Fixed a Print Server hang when a driver couldn't be found
- Fixed tar onto floppies
- Fixed a Mail Server crash when receiving strange lines
- Fixed a number of bugs in SoftwareValet
- Fixed a bug in Expander's destination dialog
- Fixed a number of NetPositive bugs:
  - images with errors will still draw
  - better MIME sniffing of JPEG images
  - page loading status is correct on single images
  - improved View -> Show HTML command

Miscellaneous Improvements

- Added YCbCr output to the indeo5 decoder
- Improved the built-in debugger's symbol-loading speed
- Enabled symbolic links longer than 144 characters
- Improved AVI and QuickTime file writing

The B e Release Notes
for BeOS Release 4.5.1

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