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Author Topic: Bios Guides  (Read 16603 times)

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SupershanksTopic starter

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SupershanksTopic starter

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Neo3 250 & Ultra Cell Menu
« Reply #1 on: 03-April-05, 14:21:26 »

Note: Text & Pictures From MSI English Manual E7025v1.0.pdf Suggesed settings are by Syar & Myself
Bios Guide
Cell Menu



Dram Settings

High Performance Mode Suggested Setting - Mnaual
This field allows you to select the DDR timing setting. Setting to [Optimized] enables
Adjust DDR Memory Frequency automatically to be determined by SPD. Selecting
[Manual] allows users to configure these fields manually. Setting options: [Optimized],
[Manual].  Suggested Setting - Mnaual

Aggressive Timing  Suggested Setting - Disabled  Especially if Manually Overclocking
This item allows you to enable or disable the memory clock. When [Enabled] is selected,
the timing delay of memory will be shorten to increase the performance. Setting
options: [Enabled], [Disabled].  Suggested Setting - Disabled Especially if Manually Overclocking

Dynamic Overclocking  - Suggested Setting - Disabled Especially if Manually Overclocking
Dynamic Overclocking Technology is the automatic overclocking function, included in
the MSITM’s newly developed CoreCellTM Technology. It is designed to detect the load
balance of CPU while running programs, and to adjust the best CPU frequency
automatically. When the motherboard detects CPU is running programs, it will speed
up CPU automatically to make the program run smoothly and faster. When the CPU is
temporarily suspending or staying in the low load balance, it will restore the default
settings instead. Usually the Dynamic Overclocking Technology will be powered only
when users' PC need to run huge amount of data like 3D games or the video process,
and the CPU frequency need to be boosted up to enhance the overall performance.
Setting options:
[Disabled] Disable Dynamic Overclocking.  Suggested Setting - Disabled Especially if Manually Overclocking
[Private] 1st level of overclocking, increasing the CPU frequency by 1%.
[Sergeant] 2nd level of overclocking, increasing the CPU frequency by 3%.
[Captain] 3rd level of overclocking, also the default value of "Load High
Performance Defaults", increasing the CPU frequency by 5%.
[Colonel] 4th level of overclocking, increasing the CPU frequency by 7%.
[General] 5th level of overclocking, increasing the CPU frequency by 10%.
[Commander] 6th level of overclocking, increasing the CPU frequency by 15%.

Spread Spectrum  Suggested Setting - Disabled if OC or Issues with Memory/Graphics
This setting is used to enable or disable the FSB clock generator’s Spread Spectrum
feature. When overclocking the FSB, always set it to [Disabled]. Setting options:
[Enabled], [Disabled]. Suggested Setting - Disabled if OC or Issues with Memory/Graphics

HT Frequency
This setting specifies the maximum operating frequency of the link’s transmitter clock.
Setting options: [1x], [2x], [3x], [4x], [5x]. (754 = 4 939 = 5 (4 if having issues see Neo2 & 64 Winchester - Starting-up the system gives you a hard lockup (freeze)
Re Changing this value see Changing HT BIOS setting with ENTER key hangs the system

AMD Cool‘n’Quiet™ control  Suggested Setting - Disabled Especially if Manually Overclocking
This feature is especially designed forAMD Athlon™ 64 processors, which provides a CPU
temperature detecting function to prevent your CPU’s from overheating due to the
heavy working/loading. Setting options: [Disabled], [Auto].   Suggested Setting - Disabled Especially if Manually Overclocking

Adjust CPU Ratio Where you adjust the CPU Multiplier. CPU Speed = CPU Ratio x  FSB Frequency
This item allows you to adjust the CPU ratio. Setting to [Startup] enables the CPU
running at the fastest speed which is detected by system. Setting options are:
[Startup], [x4]~[x20]. Maximum Controlled by the CPU you are running

Adjust CPU FSB Frequency Also known with AMF64 As Htt speed
This item allows you to adjust the CPU Front Side Bus clock frequency. Setting
options are: [200]~[300]. Also known with AMF64 As Htt speed - This is where you enter values for ocing

Adjust AGP Frequency
This item allows you to adjust the AGP frequency. Setting options: [66]~[100]. AGP/PCI Lock = leave on default or 67

CPU Voltage
The settings are used to adjust the CPU clock multiplier (ratio) and CPU corevoltage
(Vcore). These settings offer users a tool to overclock the system.
Adjust to suit CPU  If 130Fabrication = 1.5v 90 Fabrication = 1.4v

Memory Voltage
Adjusting the DDR voltage can increase the DDR speed. Any changes made to this
setting may cause a stability issue, so changing the DDR voltage for long-term
purpose is NOT recommended.
Set this to your Memory Spec Note: If left on Auto/Default 2.5v is used which leaves many Modules ndervolted & therefore unstable

AGP Voltage
AGP voltage is adjustable in the field, allowing you to increase the performance of
your AGP display card when overclocking, but the stability may be affected.
1.50v ( 1.6v for R9600/R9600XT)
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SupershanksTopic starter

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Re: Bios Guides
« Reply #2 on: 03-April-05, 15:57:31 »

Note: Text & Pictures From MSI English Manual E7025v1.0.pdf Suggesed settings are by Syar & Myself
Bios Guide
Dram Settings




Max Memclock (Mhz) Memory Divisor
When it is set to Manual in “DDR Timing Setting by”, user can place an artificial
memory clock limit on the system. Please note that memory is prevented from
running faster than this frequency. Setting options: [100], [133], [166], [200].
In effect a ratio of the normal clock 200 -   50%(100/200),67%(133/200) ,83%(166/200 ,1:1
Memory Speed  = CPU FSB Frequency x Max Memclock/200 EG   Memory Speed 250 x 166/200 =208


1T/2T Memory Timing
This setting controls the SDRAM command rate. Selecting [Auto] allows SDRAM
signal controller to run at 1T (T=clock cycles) rate. Selecting [1T] makes SDRAM
signal controller run at 2T rate. 1T is faster than 2T. Setting options: [1T], [2T],
[Auto]. 1T Unless memory can't handle it
The next 4 values allow you to manually enter the mamory timings you wish you Memory to run at. If left on Auto the default value held on the SPD chip on your memory module will be used.
There are occasions when this SPD values is not desired
Many Corsair modules have the following
Quote
These parts support 2-3-3-6 latency on Intel platforms, and 2.5-3-3-6 latency on AMD platforms
TWINX1024-3200C2PRO
Therefore to run these modules it's best to Manually set them Here [/i]

CAS# Latency (Tcl)
This controls the CAS latency, which determines the timing delay (in clock
cycles) before SDRAM starts a read command after receiving it. Settings:
[Auto], [CL=2.0], [CL=2.5], [CL=3.0]. [CL=2.0] increases the system performance
the most while [CL=3.0] provides the most stable performance. From Example = 2.5

RAS# to CAS# delay (Trcd)
When DRAM is refreshed, both rows and columns are addressed separately.
This setup item allows you to determine the timing of the transition from RAS
(row address strobe) to CAS (column address strobe). The less the clock
cycles, the faster the DRAM performance. Setting options: [Auto], [2 Bus Clocks],
[3 Bus Clocks], [4 Bus Clocks], [5 Bus Clocks], [6 Bus Clocks], [7 Bus Clocks]. From Example = 3

 Note:Memory timings are usually stated as shoen in the example shown above 2.5-3-3-6 However the bios values for the last 2 items are transposed in the bios order.
Min RAS# active Time (Tras)When the DDR Timing Setting by is set to [Manual], the field is adjustable.
This setting determines the time RAS takes to read from and write to a memory
cell. Setting options: [Auto], [5 Bus Clocks], [6 Bus Clocks], [7 Bus Clocks], [8
Bus Clocks], [9 Bus Clocks], [10 Bus Clocks], [11 Bus Clocks], [12 Bus Clocks],
[13 Bus Clocks], [14 Bus Clocks], [15 Bus Clocks]. From Example = 6

Row Precharge Time (Trp)
This item controls the number of cycles for Row Address Strobe (RAS) to be
allowed to precharge. If insufficient time is allowed for the RAS to accumulate
its charge before DRAM refresh, refreshing may be incomplete and DRAM may
fail to retain data. This item applies only when synchronous DRAM is installed in
the system. Available settings: [Auto], [2 Bus Clocks], [3 Bus Clocks], [4 Bus
Clocks], [5 Bus Clocks], [6 Bus Clocks].  From Example = 3

See Also Bios Guide - Cell Menu
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