User manual SONY VAIO VPCCB4SFX

[. . . ] AMD, AthlonTM, AthlonTM XP, ThoroughbredTM, and DuronTM are registered trademarks of AMD Corporation. Intel® and Pentium® are registered trademarks of Intel Corporation. PS/2 and OS ® /2 are registered trademarks of International Business Machines Corporation. W indows ® 95/98/2000/NT /XP/Vis ta are regis tered trademarks of Mic rosof t Corporation. [. . . ] Selecting [2N] makes SDRAM signal controller run at 2N rate. Advance Memory Setting Setting to [Auto] enables the advance memory timing automatically to be determined by BIOS. Setting to [Manual] allows you to set advanced memory timings. TRFC W hen the Adcance M emory Setting sets to [Manual], the field is adjustable. This setting determines the time RFC takes to read from and write to a memory cell. TWR W hen the Adcance M emory Setting sets to [Manual], the field is adjustable. Minimum time interval between end of write data burst and the start of a precharge command. Allows sense amplifiers to restore data to cells. TWTR W hen the Adcance M emory Setting sets to [Manual], the field is adjustable. Minimum time interval between the end of write data burst and the start of a column-read command. It allows I/O gating to overdrive sense amplifiers before read command starts. But if you are plagued by EMI, select the value of Spread Spectrum for EMI reduction. The greater the Spread Spectrum value is, the greater the EMI is reduced, and the system will become less stable. For the most suitable Spread Spectrum value, please consult your local EMI regulation. Remember to disable Spread Spectrum if you are overclocking because even a slight jitter can introduce a temporary boost in clock speed which may just cause your overclocked processor to lock up. 3-26 BIOS Setup USER SETTINGS Save Settings 1/ 2 These items are used to save the settings set by yourself to CMOS. Load Settings 1/ 2 These items are available after you save your settings in Save Settings 1/ 2 items , and are used to load the settings from CMOS. 3-27 M S-7558 M ainboard Load Fail-Safe/ Optimized Defaults The two options on the main menu allow users to restore all of the BIOS settings to the default Fail-Safe or Optimized values. The Optimized Defaults are the default values set by the mainboard manufacturer specifically for optimal performance of the mainboard. The Fail-Safe Defaults are the default values set by the BIOS vendor for stable system performance. W hen you select Load Fail-Safe Defaults, a message as below appears: Selecting Ok and pressing Enter loads the BIOS default values for the most stable, minimal system performance. W hen you select Load Optimized Defaults, a message as below appears: Selecting Ok and pressing Enter loads the default factory settings for optimal system performance. 3-28 Appendix A Realtek ALC888 Audio The Realtek ALC888 provides 10-channel DAC that simultaneously supports 7. 1 sound playback and 2 channels of independent s tereo s ound output (multiple streaming) through the Front-Out-Left and Front-OutRight channels. M S-7558 M ainboard Installing the Realtek HD Audio Driver You need to install the HD audio driver for Realtek ALC888 codec to function properly before you can get access to 2-, 4-, 6-, 8- channel or 7. 1+2 channel audio operations. Follow the procedures described below to install the drivers for different operating systems. Installation for Windows XP/ Vista For W indows ® XP, you must install W indows ® XP Service Pack1 or later before installing the driver. The following illustrations are based on W indows ® XP environment and could look slightly different if you install the drivers in different operating systems. Insert the application CD into the CD-ROM drive. [. . . ] The CD will auto-run and the setup screen will appear. Under the Driver tab, click on JMicron JMB363 Drivers. The drivers will be automatically installed. Confirming Windows Vista/XP Driver Installation 1. [. . . ]