User manual ACER ASPIRE M3350

[. . . ] In this case, the system cannot retain configuration values in CMOS. Ask a qualified technician for assistance. Before you run Setup, make sure that you have saved all open files. The system reboots immediately after you exit Setup. BIOS Utility 2-1 2. 1 Entering Setup + + . To enter Setup, press the key combination while the You must press + + system is booting. This key combination does not work during any other time. The BIOS Utility main menu then appears: BIOS Utility Basic System Configuration Advanced System Configuration PnP/PCI System Configuration Power Saving Configuration System Security Load Setup Default Settings = Move Highlight Bar, = Select, Esc = Exit and Reboot The parameters on the screens show default values. [. . . ] When set to Enabled, BIOS is in graphical mode and displays only an identification logo during POST and while booting. After which the screen displays the operating system prompt (such as DOS) or logo (such as Windows 95). If any error occurred while booting, the system automatically switches to the text mode. Even if your setting is Enabled, you may also switch to the text mode after you hear a beep that indicates the while booting by pressing activation of the keyboard. When set to Disabled, BIOS is in the conventional text mode where you see the system initialization details on the screen. BIOS Utility 2-9 2. 2. 9 Configuration Table This parameter allows you to display the configuration table after POST but before booting. The configuration table gives a summary of the hardware devices and settings that BIOS detected during POST. A sample configuration table appears below. CPU ID : Pentium II CPU Clock : 233 MHz Math Coprocessor:Installed IDE Drive 0 : xxx MB IDE Drive 1 : xxx MB IDE Drive 2 : xxx MB IDE Drive 3 : xxx MB Diskette Drive A: xx MB, xx-inch Diskette Drive B: None Pointing Device: None ECC/Parity Mode: Disabled Base Memory: : Extended Memory: Shadow RAM : L1 (CPU) Cache : L2 (CPU) Cache : Serial Port(s) : Parallel Port(s): DRAM Bank 0 : DRAM Bank 1 : DRAM Bank 2 : USB HC : xxx KB xxxx KB xxx KB xxx KB, Enabled xxx KB, Enabled 3F8h, 2F8h 378h Fast Page Mode None None Disabled 2-10 User's Guide 2. 3 Advanced System Configuration The Advanced System Configuration option allows you to configure the advanced system memory functions. Do not change any settings in the Advanced Configuration if you are not a qualified technician to avoid damaging the system. The following screen shows the Advanced System Configuration parameters. Advanced System Configuration Page 1/1 L1 Cache (CPU Cache) . . . . . . . . . . . . . . . ECC/Parity Mode Selection . . . . . . . . . [Enabled ] [Enabled ] [Write Back ] [Disabled] Memory at 15MB-16MB Reserved for . . [System] Use [Disabled] USB Host Controller . . . . . . . . . . . . . . . . = Move Highlight Bar, PgDn/PgUp = Move Screen, = Change Setting F1 = Help, Esc = Exit 2. 3. 1 L1 Cache (CPU Cache) This parameter enables or disables the first-level or internal memory, that is, the memory integrated into the CPU. The default setting is Enabled. 2. 3. 2 L2 Cache This parameter enables or disables the external cache memory. The external cache is incorporated in the CPU module. BIOS Utility 2-11 Cache Scheme This parameter sets the cache to Write-through or Write-back modes. It automatically enters into the suspend mode after a specified period of inactivity. Any keyboard or mouse action, or any enabled monitored activities occurring through the IRQ channels resume system operation. See section 2. 5. 2. 2. 5. 2 Monitored Activities The IRQ items under this parameter allow you to monitor system activities occurring through the IRQ channels to determine whether or not to enter power-saving mode. For example, if you assign IRQ 3 to a fax/modem and you set this item to Enabled, any fax/modem activity wakes up the system from standby mode. BIOS Utility 2-17 2. 6 System Security Setup The Setup program has a number of security features to prevent unauthorized access to the system and its data. The following screen appears if you enter the Setup program and select System Security. System Security Disk Drive Control Diskette Drive . . . . . . . . . . . . . . . . Onboard Communication Ports Serial Port 1 Base Address . . . . Onboard PS/2 Mouse (IRQ 12) . . . . . . Page 1/1 [ Normal [ Normal [Drive A then C] [Disabled] ] ] [ 3F8h ] [ 2F8h ] [378h (IRQ 7)] [Standard Parallel Port (SPP)] Mode [-] [Enabled ] None None ] ] Setup Password . . . . . . . . . . . . . . . . . . . [ = Move Highlight Bar, PgDn/PgUp = Move Screen, = Change Setting F1 = Help, Esc = Exit 2. 6. 1 Disk Drive Control The disk drive control features allow you to enable or disable the read/write functions of a disk drive. These features can also control the diskette drive or the hard disk drive boot function to prevent loading operating systems or other programs from a certain drive while the other drives are operational. Table 2-1 lists the drive control settings and their corresponding functions. 2-18 User's Guide Table 2-1 Drive Control Settings Diskette Drive Setting Normal Write Protect All Sectors Write Protect Boot Sector Disabled Hard Disk Drive Setting Normal Write Protect All Sectors Write Protect Boot Sector Disabled System Boot Drive Setting Drive A then C Description The system checks drive A first. If there is a diskette in the drive, the system boots from drive A. [. . . ] While rebooting, turn off the system then open the housing. Set SW1 switch 3 to Off to enable the password function. The next time you want to enter the BIOS utility, you must key-in your Setup password. Changing or Removing the Setup Password Should you want to change your setup password, do the following: 1. [. . . ]