Extended Operating System Loader
Contents
1. When partitions are added or removed XOSL will be started correctly XOSL will check all items and update the hide reveal list After re partitioning your system make sure you check The correctness of each boot item Check for every boot item if hide reveal is still correct 2 5 Boot failure When a boot item cannot be booted a message box is displayed with an error message After it is closed XOSL will continue to run Booting failure is only detected when the data cannot be read for instance the floppy disk drive is empty when trying to boot a floppy disk 3 Installation At the time two different downloads are available at the download area of the XOSL web site Depending on what platform you have available you have to decide which one suits you best The install utility is currently implemented for the following platforms MS DOS Windows 9x Other If you want to have XOSL installed on a FAT16 FAT32 partition you have to download the MS DOS Windows 9x version 3 1 System Requirements Minimal system requirements 80386 or better with 4Mb of RAM 6Mb for 1280x1024 1600x1200 me VESA VBE 1 2 compliant display controller j 300kb of free disk space Recommended i Pentium 100 or better E VESA VBE 2 0 compliant display controller PS 2 or serial mouse 3 2 Before installing XOSL Installing a boot manager in general is a dangerous thing If for whatever reason the installation of the boot manager fa2. Auto reveal partitions on startup Hotkey per boot item Support for hard disks larger than 8Gb Coexist with virtually any other boot manager new and more 2 1 3 XOSL is known to support MS DOS Linux with Lilo Solaris new VxWorks 5 x Windows 9x Windows NT 4 0 and others 2 2 XOSL loading failure handling XOSL is loaded in three steps First the Initial Program Loader IPL is loaded and executed The IPL resides in the Master Boot Record MBR The IPL will load the XOSL loader which will print Extended Operating System Loader 1 1 0a The XOSL loader will load the actual boot manager The IPL cannot instantly load the actual boot manager due to its heavy code size restrictions When the XOSL loader cannot load the boot manager or the boot manager itself cannot load one of the data files an error message is displayed and the system will automatically switch to XOSL Bypass mode When the IPL fails to load the XOSL loader the system is halted A key press will reboot the system No error message is displayed again due to the code size constraints In all these cases reinstalling XOSL is required 2 3 Fail safe operation Currently XOSL is by far not fail safe A majority of files is assumed to exist and XOSL will just crash if they are missing Also not all limits are absolute For instance XOSL supports up to 92 partitions if more exist highly unlikely XOSL will lock up 2 4 XOSL after re partitioning
3. and drive number entry is set to 0x81 XOSL does not update the boot record on the disk Instead after loading the boot record and before executing it booting the drive number is set to the correct value and MS DOS Windows 9x is booted correctly 6 3 2 Implementation the solution To boot MS DOS or Windows 9x installed on the second HD the following actions need to be performed after adding the boot item Check the Fix FAT drive number check box at Setup Misc checked automatically Hide all FAT partitions on the first HD It is mandatory you do this or else booting will still fail NOTE if you have installed Windows NT on a FAT partition on the second drive it should be possible to boot it with XOSL after performing the above actions However this is an assumption It is not actually tested Note that you will also have to hide all NTFS partitions on your first drive 6 4 Installing XOSL together with other boot managers new XOSL provides the unique ability to coexist with virtually any other boot manager Two approaches exist to have XOSL installed together with some other boot manager 6 4 1 XOSL as primary boot loader When you install XOSL 1 1 1 it will backup the original Master Boot Record MBR In 18 addition XOSL provides the ability to boot this original MBR It is shown in the partition list as the MBR of the first hard disk HDO When this MBR is booted the original MBR is booted instead which can be e
4. 4 2 3 Fade in color This option will change the intensity of the fade in color 0 will make it black 100 will make it white 10 4 3 Mouse settings 4 3 1 Mouse type XOSL currently supports two mouse types serial mouse COM1 4 ps 2 mouse It is also possible to disable the mouse select None and operate XOSL with keyboard only Mouse usage is highly recommended 4 3 2 Mouse speed For both serial and PS 2 mice the mouse speed can be changed Ten different speed settings are available although just five of them or used for PS 2 1st 3rd 8 When set to the highest speed it is possible that moving of windows namely when the window contents is shown while dragging is performed incorrect This means that the system is not fast enough The speed should be set to a lower value This will be solved in later version 4 3 3 PS 2 sampling rate With PS 2 mice itis possible to set the sampling rate The sampling rate ranges from 10 to 200 samples per second By default it is set to 100 samples per second Sampling rate does not affect the speed of the mouse cursor it has only affect on the smoothness of moving the cursor Seven different sampling rates are available 10 20 40 60 80 100 200 4 4 Password protection XOSL provides password protection for opening the XOSL Boot item configuration and XOSL Preference windows This way it is only possible for the administrator to change settings When the password is set XOSL
5. Ca t eee ee Bee a 9 4 1 1 Screen drea 2 4c aeiwk ae heen Aa Ga ale ROS a NUR ae OC oe aw 9 4 1 2 Visual Effects 0 o es 9 4 1 3 Enhancement ees 10 4 1 4 Personal o o o ooo 10 4 2 COlOFSEtHINGS cuca a Acta ek a ask ACE x IR en SE ee A a 10 4 2 1 Color schemeS 0 ce es 10 4 2 2 Color adj stment arai 44 ea orn ke RR A bh ae ewe 10 4 2 3 Fade incolor colens 10 4 3 MOUSE SettlIigs uus uae xo xen aN ON s oa aod eee ee Gee Sea Up Co RON 11 4 3 1 Mouse type si ew ha wh ee Rex E r XC RR OX REOR OX CK RO ek we YS C 11 4 3 2 Mouse speed coco 11 4 3 3 PS 2 sampling rate sssaaa aaa es 11 4 4 Password protection ns 11 4 5 Miscellaneous eee hh hh hn 11 4 5 1 Miscellaneous keys rns 11 4 5 2 Boot handling ilu edge EROR a ARA 12 4 5 3 Instant DOOU ia sodes eun a ae a ea A A A Us da 5 XOSL boot items configuration 2 0 a a 5 1 Add and update 1 es 5 2 Hiding and revealing 2 2 aa ee 5 3 Miscellaneous as ae o GA a Re ee a aa GERD d 6 Additional 5 3 1 Instant DOOt cs eves ee cee eR ee wee Ew ERE ee Ee eS 5 3 2 Additional keys aniei iro bana aak es 5 9 9 HOCKEY cease ew ae aca A ated de du gee D RARUS EE eae abe a 5 3 4 Password protection 0 0 o ce es 5 3 5 Activating partitions llle n 5 3 6 Fix FAT drive number leen 6 1 Boot manager bypass aaa 6 2 Booting LINUX vds halk we bee ea A eee a
6. With any other combination the backslash is ignored 5 3 3 Hotkey Every boot item can have its own hotkey To assign a hotkey select the edit box and hit the key or key combination you want to assign If nothing happens the hotkey is not supported for instance F12 15 5 3 4 Password protection Every separate boot item can have its own password although it is advised to keep the number of password as small as possible To remove a password just blank both the Password and the Re enter password fields and click on the apply button 5 3 5 Activating partitions Many operating systems need to reside on an active partition Therefore it is possible to activate a partition With XOSL it is possible to activate any partition on any HD 5 3 6 Fix FAT drive number By default when you create a FAT partition the drive number set in the boot record will be 0x80 stands for first HD Even if the partition is on any other HD it will be number 0x80 This is what prevents booting any operating system developed by Microsoft installed on HD s other than the first When this option is enabled XOSL will fix the drive number to successfully boot the operating system Note that you still need to hide all partitions on your first hard disk XOSL will automatically enable this option when needed 16 6 Additional 6 1 Boot manager bypass In case the XOSL fails to boot or crashes at a certain point it is possible to bypass the enti
7. ae dear he eae e denas 6 2 1 Booting single kemel Linux systems es 6 2 2 Booting multi kernel Linux systems 0 ce aa 6 2 3 Multiple Linux distributions 0 0 0 0 00 cee eee 6 3 Booting MS DOS Windows 9x off the second hard disk 6 3 1 Background and solution sssaaa aaa aa es 6 3 2 Implementation the solution 0 0 ce 6 4 Installing XOSL together with other boot managers new 6 4 1 XOSL as primary boot loader 0 0c cee ee ees 6 4 2 XOSL as secondary boot loader 0 0c eee eee eee 6 4 3 Additional notes aa a es 6 5 Unconfirmed hints new 0 ce Ih 7 References 6 5 1 XOSL and GoBack eee rrr 6 5 2 Booting BeOS s sss eg Rok ed mde oy A A 6 5 3 Install and the Japanese MS DOS s F IS 14 14 14 14 15 15 16 16 16 17 17 17 17 18 18 18 18 18 18 19 19 19 19 19 20 1 Introduction Extended Operating System Loader XOSL is the world s only full featured free boot manager with a real easy to use and full blown graphical user interface Extended Operating System Loader is an absolutely free boot manager and comes with ABSOLUTELY NO WARRANTY XOSL is distributed under the terms of the GNU General Public License GPL The source code of the entire XOSL project is freely available at the official XOSL web site http www xosl org For XOSL a general discussion
8. list exists This list is the preferred place to send your questions comments bug reports etc but feel free to mail me personally at geurt xosl org New releases of XOSL are announced in the general discussion list and in the announcement only list See the reference section on how to join either list Before posting any questions regarding XOSL make sure you have read this manual This document covers XOSL version 1 1 0 For the latest information on the ongoing development of XOSL refer to http www xosl org or join the general discussion list 2 General Information 2 1 Features overview 2 1 1 Look amp Feel User friendly Graphical User Interface Full windowing system with mouse and keyboard support Resolutions up to 1600x1200 Double buffered graphics for smooth drawing Limited linear frame buffer support Mouse type can be changed on the fly Configurable mouse speed A set of color schemes Several color adjustment options Password protected boot configuration and settings Restart Reboot Shutdown and more 2 1 2 Booting Features Up to 23 boot items Full hiding revealing support for partitions with Microsoft file systems Storing additional keys Activate partitions one per system or one per HD Automatic booting with timeout of selected boot item Instant boot Auto boot last operating system Password protection per boot tem Boot master boot record on second HD Boot DOS Windows 9x on second HD
9. the install utility including a full restore of the partition data 3 4 Installation users of other operating systems Make sure you have a separate partition which is at least 300k in size The location of this partition and the file system type is irrelevant The installation program will automatically change the file system type to 0x78 If this is not wanted you are free to change it in whatever number you like after install is finished WARNING All data on this partition will be destroyed Download the xoslsep zip file at the download area of the XOSL web site and unzip it in a separate directory Insert a formatted floppy in your floppy drive and raw write xoslimg bin onto the floppy All data on this floppy will be erased To write the image to the floppy execute E DOS rawrite xoslimg bin a Linux Unix dd if xoslimg bin of2 dev fdO Reboot from the floppy disk and follow the displayed instructions NOTE rawrite exe is included in the xoslsep zip file NOTE the created floppy will contain an installation of FreeDOS This version of FreeDOS is extremely slow with floppy disk access so do not interrupt install if it takes longer than it is to expect 3 5 XOSL after installing an operating system If you install an operating system while you have XOSL installed it may happen that XOSL is not started anymore Instead the new operating system is booted directly This typically happens after installing a Microsoft operati
10. will ask for it when either clicking the Setup or the Preference button An opened window is not protected 4 5 Miscellaneous 4 5 1 Miscellaneous keys To assign a hotkey select the specific edit box and hit the key or key combination you want to assign If nothing happens the hotkey is not supported for instance F12 Cycle windows This hotkey is used to cycle through the open windows Thus pressing this key combination will activate the next open windows The default hotkey is Alt W 11 Restart XOSL By pressing this hotkey XOSL will restart Why you want to restart may have different reasons for instance you have selected an video mode not supported by your monitor The default hotkey is F10 Cold reboot Your system will perform a cold reboot when this key is pressed The default hotkey is Alt F10 Shutdown When this hotkey is pressed XOSL will be terminated and when selected power off your system Soft power off This feature is still experimental and is therefore disabled on default When enabled XOSL will try to power off your system when the shutdown hotkey is pressed Note that even if your system has full support for soft power off XOSL might not support it 4 5 2 Boot handling Display boot item index When enabled the index 1 2 of each boot item will be displayed in front of the boot item name on the main window Boot on keypress When enabled a boot item is instantly booted when its index
11. 6 5 1 XOSL and GoBack GoBack is a Windows utility which provides the ability to completely undo any changes For instance completely uninstall an application restore documents etc The first part of GoBack resides in the Master Boot Record which means it does not allow you to have a boot manager installed at least the current version does not XOSL however provides the ability to coexist with virtually any other boot manager This should also include GoBack Refer to section 6 4 1 for details GoBack http www goback com 6 5 2 Booting BeOS It seems that XOSL cannot directly boot BeOS However if you have first installed the BeOS Bootman XOSL can boot it even though Bootman is overwritten The reason seems to be that both Bootman and XOSL require that zbeos is installed on the BeOS partition When you install Bootman zboes is automatically installed and can be executed 19 be booting the boot record of the BeOS partition So if you first install the BeOS Bootman and then XOSL XOSL will be able to boot the BeOS partition directly The above assumption is made due to the fact that according to some online FAQ Lilo also has to execute zbeos in order to get BeOS booted 6 5 3 Install and the Japanese MS DOS In order to successfully use the XOSL Install Utility from the Japanese MS DOS first execute us and then install 20 7 References Dan Duskin Studio 201 http www studio201 com Mark Monciardini Designs
12. By Mark http www designsbymark com Mikhail Ranish Ranish Partition Manager http www intercom com ranish Geurt Vos Extended Operating System Loader http www xosl org XOSL general discussion list To join visit http www onelist com subscribe xosl XOSL announcement only list To join visit http www onelist com subscribe xosl announce 21
13. E version 2 0 or higher It is also necessary that the video adapter supports linear frame buffer in any graphics mode and not only in specific linear frame buffer modes Therefore this option will not work on all VBE2 0 systems e g Tseng Labs ET6000 This will be solved in later releases When the linear framer is not supported this option is disabled 4 1 4 Personal Disable fade in When enabled the fade transition from the splash screen to the boot manager screen will be skipped Disable fade out On default XOSL will do a fast fade out screen fades to black when the boot button is clicked Because it takes a noticeable amount of time it is possible to disable fade out 4 2 Color settings 4 2 1 Color schemes XOSL provides a set of color schemes These are closely related to the color schemes found in Microsoft Windows 9x NT 4 0 The color of individual sections of windows cant yet be changed 4 2 2 Color adjustment In addition to the color schemes XOSL provides some additional color changing features The Hue Saturation and Luminance of the entire screen can be changed Hue determines the color value on a 360 degree wheel Saturation determines the distance to the gray color When set to 100 the entire screen is gray scaled Luminance determines the brightness of the screen When set to 100 the entire screen will be black and when set to 100 the screen will be white In XOSL Luminance ranges from 80 to 80
14. Extended Operating System Loader User manual for XOSL 1 1 1 Author s Geurt Vos Extended Operating System Loader Copyright 1999 2000 Geurt Vos XOSL comes with ABSOLUTELY NO WARRANTY XOSL is distributed under the terms of the General Public License Contact the author to obtain a copy of the source code Geurt Vos February 15 2000 geurt xosl org Contents ixl Js ct nna due Rae eee Pa Oe e hes Sa aa Re ada awd 4 2 General Information eee hi hh oh hrs 5 2 1 Features OVERVIEW iunge om Race deae vex e e Ow e da we doe 5 21 1 LoolG amp Feel uses Bak RR e E RE ea eR ERE ee 5 2 1 2 Booting Features s sss a dun wid Ge ela ae MUR CRX ee 5 2 1 3 XOSL is known to support ooo e m4 5 2 2 XOSL loading failure handling o o ooo o 6 2 3 Fail safe operation es 6 2 4 XOSL after re partitioning ooo es 6 2 5 Boot Failure s x ce ceva om ee LEED a RR Ce we EOS 6 SA Installation wie wee fh wade As ay ar Bw eee ae dh ae a ee Bowe Be EN Ra 7 3 1 System Requirements 0 0 hrs Z 3 2 Before installing XOSL o ooo Z 3 3 Installation for MS DOS Windows 9x users es vi 3 4 Installation users of other operating systems 0 cee es 8 3 5 XOSL after installing an operating system lees 8 4 XOSL Preference sage wih adie he eA a A ACRES reb ed we dw A aed bok Ae ated 9 4 7 Graphics eoe boda ae RU el e dece oe
15. Item Configuration window which is displayed by clicking on the Setup button 5 1 Add and update At the Partition section boot items can be added to the boot items list Update is intended for changing the name or the partition of an existing boot item XOSL also provides the ability to boot the master boot record MBR the first sector of a hard disk In the partition list for every hard disk a master boot record is shown Note that the first master boot record MBR of HDO is the master boot record as it was before XOSL was installed See also section 6 4 5 2 Hiding and revealing XOSL provides the possibility to hide and reveal partitions with Microsoft file systems only When you hide a partition for a certain boot item it is not restored the next time XOSL is started unless the Reveal partitions on start up options is enabled KOSL Preference Misc When disabled you have to reveal partitions explicitly for the other boot items To simplify this process the Reveal all button exists Then all Microsoft partitions for the specified boot item are marked revealed automatically Supported partition types for hiding 01 FAT12 04 FAT16 lt 32Mb 06 FAT16 32Mb 07 NTFS Ob FAT32 Oc FAT32 LBA Oe FAT16 LBA Of Extended LBA 5 3 Miscellaneous 5 3 1 Instant boot One of the boot items can be set to Instant boot This will then be the default option and is automatically booted the next time the XOSL is sta
16. hotkey is pressed When disabled the boot item is only selected Then you have to press enter to boot it Allow active partition per HD When enabled default XOSL will allow one active partition per fixed disk When disabled XOSL will allow only one activate partition in your entire system Reveal partitions on start up When enabled all hidden partitions will be revealed when XOSL is started Whether these hidden partitions were hidden by XOSL or by a partitioning program does not matter XOSL will always reveal all hidden partitions Clear screen before booting Normally when XOSL boots it will restore the text screen as it was before XOSL was started When this option is enabled XOSL will clear the screen instead 12 4 5 3 Instant boot Ignore mouse click When enabled and instant boot is enabled a mouse click will not abort instant boot As a matter of fact all mouse clicks will be ignored until first a key is pressed This feature is included as work around Use it only when it looks as if setting a time out for instant boot has no effect the specified boot item is booted instantly The actual problem lies in the serial mouse driver This problem will be solved in a later release Auto boot last boot item When enabled XOSL will automatically boot with time out the boot item that was last booted It is set as Instant Boot 13 5 XOSL boot items configuration This section provides information on the XOSL Boot
17. ils there is a good chance your system will not boot at all anymore So before you install a boot manager backup all important files on your hard disk and make sure you have a boot floppy If you do not have the experience to recover your system after a severe system crash it is advisable to let someone else who does know install XOSL for you NOTE If you already have a version of XOSL installed and do not want to upgrade to XOSL 1 1 0 but want to have a clean install of XOSL 1 1 0 make sure you uninstall the previous version before you install You can use the uninstall option of the install utility of XOSL 1 1 0 3 3 Installation for MS DOS Windows 9x users Download the xoslfat zip file at the download area on the XOSL web site and unzip it in a separate directory From plain MS DOS run INSTALL EXE and follow the displayed instructions Do not install XOSL from an MS DOS box in Windows Although XOSL should install fine the install utility might not detect your hardware correctly namely display adapter and mouse Advisable is to install XOSL from a floppy preferable a boot disk If install fails or XOSL won t run after reboot you can still uninstall it This is especially the case when you install XOSL on a dedicated partition Installing XOSL on a dedicated partition will destroy all 7 existing data on this partition If you have installed XOSL from a floppy on a dedicated partition you can still fully uninstall it with
18. ither a default loader as after fdisk mbr or some boot loader that was installed before XOSL got installed XOSL does not backup the original MBR on the first unused track of your hard disk as does XOSL 1 1 0 because that might overwrite some other boot manager that got installed there Instead it is copied to a file ORIG MBR XCF Finally XOSL will restore the partition table as found in the MBR for this original MBR thus the original loader will always find the correct partition data 6 4 2 XOSL as secondary boot loader If you install XOSL on a dedicated partition you can also boot this partition which will start XOSL This way you can use XOSL as secondary boot loader instead use some other boot manager to boot the XOSL partition 6 4 3 Additional notes Some boot managers completely hide partitions instead of only changing the file system Id If you use such a boot manager as secondary boot loader XOSL will still run Even if its partition is completely hidden The only problem is that the boot items may get corrupted This will happen when the partitions of boot items are hidden when XOSL is started Although they might be restored be the secondary boot loader they will stay corrupted This will be solved in the next version of XOSL 1 1 2 6 5 Unconfirmed hints new This section provides several hints of untested features or hints of users all of which I either could not get or do not have a confirmation
19. ng system To get XOSL running again use the Restore feature of the XOSL Install Utility 4 XOSL Preference This section provides information on the XOSL Preference window which is displayed by clicking on the Preference button 4 1 Graphics Because most display controller are configured differently XOSL uses the VESA VBE 1 2 real mode standard extended with a view VBE 2 0 features for instance limited frame buffer support The graphics driver created for XOSL should operate fine with all VESA VBE 1 2 compliant display controller Some later version of XOSL will feature a driver that will be fully compliant with version VBE 1 2 VBE 2 0 including full linear frame buffer support and VBE 3 0 including refresh rate options 4 1 1 Screen area XOSL supports five different graphics modes 640x480 800x600 1024x768 1280x1024 and 1600x1200 This last mode is not a video mode defined by the VESA standard Because of this XOSL will determine the metrics of every VESA graphics mode it found Note also that even if you display controller does have support for 1600x1200 it might not be implemented for the VESA standard which means XOSL cannot use it Before switching to a different video mode it is advisable to first test whether or not the video mode is supported by the monitor If the monitor does not support the mode the graphics will not be displayed correctly and it may even damage the monitor With XOSL 1 1 0 you can only
20. ot with the new one Execute lilo Ui AUN If for instance you have two options defined in etc lilo conf LinuxNew and LinuxOld you can now make XOSL boot these options by defining as additional keys LinuxNew n and LinuxOld n respectively NOTE make sure prompt is present in etc lilo conf or else the first item will be automatically booted NOTE this solution of course also works for a single kernel system 17 6 2 3 Multiple Linux distributions When you have more than one distribution of Linux installed one of the following two approaches can be used to boot Linux An installation of Lilo per partition distribution refer to single kernel Linux systems One installation of Lilo controlling all distributions refer to multi kernel Linux systems 6 3 Booting MS DOS Windows 9x off the second hard disk Normally you can only boot a Microsoft OS if it is install on the first HD This XOSL it is possible to boot MS DOS or Windows 9x off a HD other than the first 6 3 1 Background and solution In the boot record first sector of the partition of a FAT file system an entry exists which holds the drive number By default the Microsoft format utility sets this to 0x80 128 decimal Even if this partition is on the second HD it is still Ox80 instead of Ox81 or 129 This prevents booting a Microsoft OS off the second HD XOSL solves this problem by fixing the drive number So if the partition is on the second drive
21. re boot manager That is the entire boot manager is loaded but no initialization is preformed XOSL is bypassed by depressing both the left and the right Alt and Ctrl keys while the boot manager is loaded If loading or initialization of XOSL fails the boot manager is automatically bypassed NOTE Boot manager bypass is not yet password protected 6 2 Booting Linux Because XOSL cannot yet boot Linux directly you need to have Lilo installed in either the boot record of a Linux partition or in the master boot record of an HD other than the first 6 2 1 Booting single kernel Linux systems As you will notice when Linux is booted the Lilo prompt is still shown The simplest way to bypass this prompt and make XOSL boot Linux directly is to edit the etc lilo conf file and comment or remove the prompt line Now the Lilo prompt will not be shown anymore and the first item will be booted directly 6 2 2 Booting multi kernel Linux systems By default Lilo will drain the keyboard buffer on start up This way it will not be possible to let XOSL control Lilo through the Additional Keys feature To make XOSL control Lilo you have to re compile Lilo with NODRAIN defined This can be done as following 1 Edit the Makefile and find the CONFIG line This line will look something like CONFIG DIGNORECASE DVARSETUP DREWRITE_TABLE Add DNODRAIN to the CONFIG line Execute make Replace the existing boot b most likely located in bo
22. rted When the instant boot timeout value is set XOSL will wait the specified amount of seconds before the boot item is booted The timeout can be up to 15 minutes This means it is also possible to hide HPFS 14 NOTE when timeout is set to 0 seconds and you do not want to boot the default boot item just press the Escape key when the splash screen is displayed 5 3 2 Additional keys With XOSL it is possible to store specified keys in the keyboard buffer before an operating system is loaded Pressing the key on the keyboard is then simulated Up to 15 keys can be stored in the keyboard buffer BIOS limit The use of this option is to let XOSL control for example the Windows startup menu There are some additional key sequences which makes it possible to store e g function keys C C programmers will be familiar with the notation Sequence Value Char Description 0x07 Audible bell e 0x08 Backspace f Ox0c Formfeed n Ox0a Newline linefeed r OxOd Carriage return t 0x09 Tab horizontal v Ox0b Vertical tab Ox5c Backslash U 0x4800 Cursor up D 0x5000 Cursor down L 0x4b00 Cursor left AR 0x4d00 Cursor right F1 0x3b00 Function key 1 F2 0x3c00 Function key 2 F3 0x3d00 Function key 3 F4 0x3e00 Function key 4 F5 Ox3f00 Function key 4 F6 0x4000 Function key 6 F7 0x4100 Function key 7 F8 0x4200 Function key 8 F9 0x4300 Function key 9 F10 0x4400 Function key 10 F11 n a not supported F12 n a not supported
23. select video modes supported by the display controller 4 1 2 Visual Effects Show window contents while dragging When enabled the content of a window is visible while dragging it over the screen When disabled only a frame will be visible This option should only be used with fast machines on which the linear frame buffer option is supported It may not work on slower machines due to the fact that interrupts are not handled while in protected mode This means that at the time the graphics are drawn the mouse is ignored This will be solved in later releases Use 9 point font XOSL provides two different font sizes The default font size is 10 points On systems running in lower video modes 800x600 or larger monitors 17 9 points font may result in better graphics Invert mouse cursor color XOSL provides two different mouse cursor colors Default is a white cursor with a black border Inverted is a black cursor with a white border Use wallpaper XOSL currently provides one wallpaper When enabled the wallpaper is drawn when disabled the background color is drawn Whether you should use the wallpaper or not entirely depends on what you like Using a wallpaper will not slow down the system in anyway except that initialization will take longer probably not noticeable 4 1 3 Enhancement Use linear frame buffer When the linear frame buffer option is used performance is increased This is only available on video adapters with VB
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