User manual ACER AAG520

[. . . ] Acer Altos G520 series User's guide Copyright © 2004 Acer Incorporated All Rights Reserved. Acer Altos G520 series User's guide 1st Issue: July 2004 Changes may be made periodically to the information in this publication without obligation to notify any person of such revision or changes. Such changes will be incorporated in new editions of this manual or supplementary documents and publications. This company makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims the implied warranties of merchantability or fitness for a particular purpose. [. . . ] Return the CMOS Clear jumper to the original location, covering pins 1 and 2. Close the server chassis, reconnect the AC power and power up the system. 114 4 BIOS setup Clearing the Password If the user or administrator password(s) is lost or forgotten, moving the password clear jumper into the "clear" position clears both passwords. The password clear jumper must be restored to its original position before a new password(s) can be set. The password clear jumper is located on jumper block J17. 1 2 3 4 5 6 7 Power down the system and disconnect the AC power. Move the jumper from pins 5 and 6 to the Clear Password position, covering pins 6 and 7. Reconnect the AC power, power up the system. Power down the system and disconnect the AC power. Return the Password Clear jumper to the original location, covering pins 5 and 6. Close the server chassis. 115 BIOS Error Messages When a recoverable error occurs during the POST, the BIOS displays an error message describing the problem. Error Message GA20 Error Explanation An error occurred with Gate A20 when switching to protected mode during the memory test. Could not read sector from corresponding drive. Pri Master HDD Error Pri Slave HDD Error Sec Master HDD Error Sec Slave HDD Error Pri Master Drive ATAPI Incompatible Pri Slave Drive ATAPI Incompatible Sec Master Drive ATAPI Incompatible Sec Slave Drive ATAPI Incompatible A: Drive Error CMOS Battery Low Corresponding drive is not an ATAPI device. Run Setup to make sure device is selected correctly. No response from diskette drive. The display type is different than what has been stored in CMOS. Check Setup to make sure type is correct. CMOS values are not the same as the last boot. These values have either been corrupted or the battery has failed. The time and/or date values stored in CMOS are invalid. Error during read/write test of DMA controller. CMOS Display Type Wrong CMOS Checksum Bad CMOS Settings Wrong CMOS Date/Time Not Set DMA Error 116 4 BIOS setup Error Message FDC Failure Explanation Error occurred trying to access diskette drive controller. Error occurred trying to access hard disk controller. NVRAM is being checked to see if it is valid. NVRAM was invalid but was unable to be updated. Make sure keyboard is connected properly. [. . . ] The Bootblock-Runtime interface module is moved to system memory and control is given to it. The Runtime module is uncompressed into memory. Store the Uncompressed pointer for future use in PMM. Leaves all RAM below 1MB ReadWrite including E000 and F000 shadow areas but closing SMRAM. [. . . ]