BIOS Option Of The Week

Adrian Wong · Nov 10, 2013

BIOS Option Of The Week - Errata 123 Option

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Errata 123 Option BIOS setting. Here's an excerpt :

These processors have an internal data path that allows the processor to bypass the L2 cache and initiate an early DRAM read for certain cache line fill requests, even before receiving the hit/miss status from the L2 cache.

However, at low core frequencies, the DRAM data read may reach the processor core before it is ready. This causes data corruption and/or the processor to hang...
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Link : BIOS Option Of The Week - Errata 123 Option

Adrian Wong · Nov 17, 2013

BIOS Option Of The Week - EPP Mode Select

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the EPP Mode Select BIOS setting. Here's an excerpt :

There are two versions of the EPP transfer protocol - EPP 1.7 and EPP 1.9. This BIOS feature allows you to select the version of EPP that the parallel port should use.

Generally, EPP 1.9 is the preferred setting because it supports the newer EPP 1.9 devices and most EPP 1.7 devices; and offers advantages like support for longer cables. However...
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Link : BIOS Option Of The Week - EPP Mode Select

Adrian Wong · Nov 23, 2013

BIOS Option Of The Week - Gate A20 Option

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Gate A20 Option BIOS setting. Here's an excerpt :

This BIOS feature is used to determine the method by which Gate A20 is controlled. The Normal option forces the chipset to use the slow keyboard controller to do the switching. The Fast option, on the other hand, allows the chipset to use its own 0x92 port for faster switching. No candy for guessing which is the recommended setting!

Please note this feature is only important for operating systems that switch a lot between...
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Link : BIOS Option Of The Week - Gate A20 Option

Adrian Wong · Dec 1, 2013

BIOS Option Of The Week - Force 4-Way Interleave

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Force 4-Way Interleave BIOS setting. Here's an excerpt :

This BIOS feature allows you to force the memory controller to use the 4-bank SDRAM interleave mode which provides better performance than the 2-bank interleave mode. However, you must have at least 4 banks of memory in the system for this feature to work properly.

Please note that we are talking about memory banks here, not the number of memory modules. Normally, SDRAM modules that use...
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Link : BIOS Option Of The Week - Force 4-Way Interleave

Adrian Wong · Dec 9, 2013

BIOS Option Of The Week - Fast Write to Read Turnaround

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Fast Write to Read Turnaround BIOS setting. Here's an excerpt :

This BIOS feature controls the Write Data In to Read Command Delay (tWTR) memory timing. This constitutes the minimum number of clock cycles that must occur between the last valid write operation and the next read command to the same internal bank of the DDR device.

Please note that this is only applicable for...
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Link : BIOS Option Of The Week - Fast Write to Read Turnaround

Adrian Wong · Dec 14, 2013

BIOS Option Of The Week - FSB Spread Spectrum

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the FSB Spread Spectrum BIOS setting. Here's an excerpt :

This BIOS feature controls spread spectrum clocking of the processor's front side bus (also known as the FSB or processor bus). It usually offers two levels of modulation - 0.5% or 1.0%. They denote the amount of modulation around the front side bus frequency.

The greater the modulation, the greater the reduction of EMI. Therefore, if you need to significantly reduce EMI...
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Link : BIOS Option Of The Week - FSB Spread Spectrum

Adrian Wong · Dec 21, 2013

BIOS Option Of The Week - Force Update ESCD

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Force Update ESCD BIOS setting. Here's an excerpt :

If you install a new piece of hardware or modify your computer's hardware configuration, the BIOS will automatically detect the changes and reconfigure the ESCD (Extended System Configuration Data). Therefore, there is usually no need to manually force the BIOS to reconfigure the ESCD.

However, the occasion may arise where the BIOS may not be able to detect the hardware changes. A serious resource conflict may occur and the operating system may not even boot as a result. This is where the Force Update ESCD BIOS feature comes in....
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Link : BIOS Option Of The Week - Force Update ESCD

Adrian Wong · Dec 29, 2013

BIOS Option Of The Week - HPET Mode

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the HPET Mode BIOS setting. Here's an excerpt :

This BIOS option is linked to the HPET Support BIOS option. HPET Support must be enabled for this BIOS option to be active.

The HPET, short for High Precision Event Timer, is a new system timer developed by Intel and Microsoft to replace the four system timers currently in use. Some HPETs have 64-bits wide registers which...
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Link : BIOS Option Of The Week - HPET Mode

Adrian Wong · Jan 5, 2014

BIOS Option Of The Week - N/B Strap CPU As

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the N/B Strap CPU As BIOS setting. Here's an excerpt :

This BIOS feature allows you to circumvent the CPU-to-DRAM ratio limitation found in the newer Intel chipsets. In those chipsets, Intel has chosen to limit the choices of available CPU-to-DRAM ratios ...
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Link : BIOS Option Of The Week - N/B Strap CPU As

Adrian Wong · Jan 12, 2014

BIOS Option Of The Week - Dynamic Idle Cycle Counter

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Dynamic Idle Cycle Counter BIOS setting. Here's an excerpt :

The Dynamic Idle Cycle Counter BIOS feature controls the memory controller's dynamic page conflict prediction mechanism. This mechanism dynamically adjusts the idle cycle limit to achieve a better page hit-miss ratio, improving memory performance.

When enabled, the memory controller will begin...
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Link : BIOS Option Of The Week - Dynamic Idle Cycle Counter

Adrian Wong · Jan 19, 2014

BIOS Option Of The Week - Anti-Dot Crawl

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Anti-Dot Crawl BIOS setting. Here's an excerpt :

Dot crawl is a visual artifact that plagues composite video signals (e.g. NTSC signals). The artifact appears as shimmering checkerboard or line patterns between contrasting colours. As the dots in the artifact crawl between those colours, that gave birth to the term "dot crawl".

This visual artifact is due to crosstalk between the luminance (colourless) and chrominance (colour information) components of the composite video signal. As such, the only solution is to...
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Link : BIOS Option Of The Week - Anti-Dot Crawl

Adrian Wong · Jan 26, 2014

BIOS Option Of The Week - IOQD

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the IOQD BIOS setting. Here's an excerpt :

This BIOS feature controls the use of the processor bus' command queue. Normally, there are only two options available. Depending on the motherboard chipset, the options could be (1 and 4), (1 and 8) or (1 and 12).

The first queue depth option is always 1, which prevents the processor bus pipeline from...
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Link : BIOS Option Of The Week - IOQD

Adrian Wong · Feb 2, 2014

BIOS Option Of The Week - Hard Disk Pre-Delay

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Hard Disk Pre-Delay BIOS setting. Here's an excerpt :

Motherboards are capable of booting up much faster these days. 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 Hard Disk Pre-Delay BIOS feature comes in. It allows you to force the BIOS to...
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Link : BIOS Option Of The Week - Hard Disk Pre-Delay

Adrian Wong · Feb 9, 2014

BIOS Option Of The Week - AGP Fast Write

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the AGP Fast Write BIOS setting. Here's an excerpt :

This BIOS feature controls the AGP bus' Fast Write capability. Fast Write is a feature which accelerates memory write transactions from the chipset to the AGP device.

Fast Write allows the AGP device act like a PCI device. This allows it to bypass the main memory and directly access the data which improves AGP read performance. However...
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Link : BIOS Option Of The Week - AGP Fast Write

Adrian Wong · Feb 16, 2014

BIOS Option Of The Week - CPU Fast String

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the CPU Fast String BIOS setting. Here's an excerpt :

Intel processors from the Intel P6 family onwards can modify their operation during string store (or REP string) operations to maximize performance. This ability is called fast string processing.

When certain "fast string" conditions are met, the processor will try to transfer as many pieces of data as possible in...
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Link : BIOS Option Of The Week - CPU Fast String

Adrian Wong · Feb 23, 2014

BIOS Option Of The Week - CPU L2 Cache ECC Checking

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the CPU L2 Cache ECC Checking BIOS setting. Here's an excerpt :

This BIOS feature enables or disables the L2 (Level 2 or Secondary) cache's ECC (Error Checking and Correction) function, if available.

Enabling this feature is recommended because it will detect and correct single-bit errors in data stored in the L2 cache. As most data reads are satisfied by the L2 cache, the L2 cache's ECC function should catch and correct almost all single-bit errors in the memory subsystem.

It will also detect double-bit errors although it cannot correct them. But this isn't such a big deal since...
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Link : BIOS Option Of The Week - CPU L2 Cache ECC Checking

Adrian Wong · Mar 2, 2014

BIOS Option Of The Week - ASF Support

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the ASF Support BIOS setting. Here's an excerpt :

ASF is short for Alert Standard Format. It is a remote client management technology born out of the simpler Alert on LAN (AoL) standard. Note though that Alert on LAN is quite different from the Wake on LAN (WoL) feature found in many network interface cards.

Residing with the Ethernet controller, the ASF controller collects information about...
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Link : BIOS Option Of The Week - ASF Support

Adrian Wong · Mar 9, 2014

BIOS Option Of The Week - Disable Unused PCI Clock

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Disable Unused PCI Clock BIOS setting. Here's an excerpt :

When the motherboard's clock generator pulses, the extreme values (spikes) of the pulses creates EMI (Electromagnetic Interference). This causes interference with other electronics in the area. To reduce this problem, the BIOS can either ...
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Link : BIOS Option Of The Week - Disable Unused PCI Clock

Adrian Wong · Mar 16, 2014

BIOS Option Of The Week - Athlon 4 SSED Instruction

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Athlon 4 SSED Instruction BIOS setting. Here's an excerpt :

Beginning with the Palomino core of the Athlon XP (and MP) family of processors, AMD started implementing Intel's SSE instruction set. AMD also added a status bit which tells any querying software that the AMD Athlon XP/MP supports the full SSE instruction set.

However, this status bit ends up causing some compatibility issues with...
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Link : BIOS Option Of The Week - Athlon 4 SSED Instruction

Adrian Wong · Mar 23, 2014

BIOS Option Of The Week - Read Preamble Time

Since 1999, we have been developing the BIOS Optimization Guide, affectionately known as the BOG. From a meagre beginning of a single page, it now covers over 440 BIOS options. As old BOG readers will know, we started offering two editions of the BOG since Revision 8.0 - a simplified edition and the complete edition.

Normally, the complete edition is only available to subscribers who help sponsor the development of the guide through a small fee. However, that changes today! From now on, we will post a BIOS option from the complete edition of the BIOS Optimization Guide every weekend.

This week, we will be taking a look at the Read Preamble Time BIOS setting. Here's an excerpt :

When the memory controller wants to read data from a memory module, it sends a DQS (data strobe) signal to the target module. It takes some time before the target memory module actually fires up the DQS data strobe in return to send the data.

During that time, it is possible for signal noise to register on the memory controller's DQS receiver and misinterpreted as actual data, resulting in data corruption. To prevent such an occurrence, the memory controller does not immediately enable its DQS (data strobe) receiver. Instead, it waits for a prescribed period of time before activating the DQS receiver for the memory module's actual DQS signal.

This prescribed period of time is known as the Read Preamble...
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Link : BIOS Option Of The Week - Read Preamble Time

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BIOS Option Of The Week

Adrian Wong Da Boss Staff Member

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Adrian Wong Da Boss Staff Member

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Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

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BIOS Option Of The Week

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

Adrian Wong Da Boss Staff Member

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