Delay IDE Initial – BIOS Optimization Guide

Delay IDE Initial - BIOS Optimization Guide

Delay IDE Initial

Common Options : 0 to 15

 

Quick Review

Motherboards are capable of booting up much faster these days. Therefore, initialization of IDE devices now take place much earlier. Unfortunately, this also means that some older IDE drives will not be able to spin up in time to be initialized! When this happens, the BIOS will not be able to detect that IDE drive and the drive will not be accessible even though it is actually running just fine.

This is where the Delay IDE Initial BIOS feature comes in. It allows you to force the BIOS to delay the initialization of IDE devices for up to 15 seconds. The delay allows your IDE devices more time to spin up before the BIOS initializes them.

If you do not use old IDE drives and the BIOS has no problem initializing your IDE devices, it is recommended that you leave the delay at the default value of 0 for the shortest possible booting time. Most IDE devices manufactured in the last few years will have no problem spinning up in time for initialization.

But if one or more of your IDE devices fail to initialize during the boot up process, start with a delay of 1 second. If that doesn’t help, gradually increase the delay until all your IDE devices initialize properly during the boot up process.

 

Details

Regardless of its shortcomings, the IDE standard is remarkably backward compatible. Every upgrade of the standard was designed to be fully compatible with older IDE devices. So, you can actually use the old 40 MB hard disk that came with your ancient 386 system in your spanking new Athlon XP system! However, even backward compatibility cannot account for the slower motors used in the older drives.

Motherboards are capable of booting up much faster these days. Therefore, initialization of IDE devices now take place much earlier. Unfortunately, this also means that some older IDE drives will not be able to spin up in time to be initialized! When this happens, the BIOS will not be able to detect that IDE drive and the drive will not be accessible even though it is actually running just fine.

This is where the Delay IDE Initial BIOS feature comes in. It allows you to force the BIOS to delay the initialization of IDE devices for up to 15 seconds. The delay allows your IDE devices more time to spin up before the BIOS initializes them.

If you do not use old IDE drives and the BIOS has no problem initializing your IDE devices, it is recommended that you leave the delay at the default value of 0 for the shortest possible booting time. Most IDE devices manufactured in the last few years will have no problem spinning up in time for initialization.

But if one or more of your IDE devices fail to initialize during the boot up process, start with a delay of 1 second. If that doesn’t help, gradually increase the delay until all your IDE devices initialize properly during the boot up process.

 

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