Acrosser AR-B1690 User Manual
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AR-B1690 User’s Guide
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5.3 ADVANCED CMOS SETUP
The <Advanced CMOS Setup> option consists of configuration entries that allow you to improve your system 
performance, or let you set up some system features according to your preference. Some entries here are 
required by the CPU board’s design to remain in their default settings. 
 
Advanced CMOS Setup
Quick Boot
This category speeds up Power On Self Test (POST) after you power on the computer. If it is set to Enabled, 
BIOS will shorten or skip some check items during POST. 
1st Boot Device 
2nd Boot Device 
3rd Boot Device 
These options determine where the system looks first for an operating system.
 
S.M.A.R.T for Hard Disks 
S.M.A.R.T is abbreviation of Self-Monitoring Analysis and Reporting Technology. It is reliable and precautious 
technology. When Hard Disk disorder, it prevents Hard Disk from the loss of data. 
 
Boot Up Num-Lock 
This item is used to activate the Num-Lock function upon system boot. If the setting is on, after a boot, the 
Num-Lock light is lit, and user can use the number key. 
 
Floppy Drive Swap 
The option reverses the drive letter assignments of your floppy disk drives in the Swap A, B setting, otherwise 
leave on the setting of Disabled (No Swap). This works separately from the BIOS Features floppy disk swap 
feature. It is functionally the same as physically interchanging the connectors of the floppy disk drives. When 
<Enabled>, the BIOS swapped floppy drive assignments so that Drive A becomes Drive B, and Drive B becomes 
Drive A under DOS. 
 
Floppy Drive Seek 
If the <Floppy Drive Seek> item is setting Enabled, the BIOS will seek the floppy <A> drive one time upon boot up.