MSI K8n Neo4 Manual

3-10
MS-7125 ATX Mainboard
Advanced Chipset Features
DRAM Configuration
Press  to enter the sub-menu and the following screen appears:
Timing Mode
This field has the capacity to automatically detect all of the DRAM timing. If you
set this field to [Manual], the following fields will be selectable. The settings are:
[Auto], [Manual].
Memclock index value (Mhz)
When the Timing Mode is set to [Manual], user can place an artificial memory
clock on the system. Please note that memory is prevented from running...

3-11 BIOS Setup
CAS# Latency (Tcl)
When the Timing Mode is set to [Manual], the field is adjustable.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.
Min RAS# Active Time (Tras)
When the Timing Mode is set to [Manual], the field is adjustable. This setting
determines...

3-12
MS-7125 ATX Mainboard
Row to Row delay (Trrd)
When the Timing Mode is set to [Manual], the field is adjustable. Specifies the
active-to-active delay of different banks. Available settings: [Auto], [2T], [3T],
[4T].
Write recovery time (Twr)
When the Timing Mode is set to [Manual], the field is adjustable. It specifies
the amount of delay (in clock cycles) that must elapse after the completion of a
valid write operation, before an active bank can be precharged. This delay is
required to guarantee...

3-13 BIOS Setup
Read Preamble value
When the User Config mode is set to [Manual], the field is adjustable. The time
prior to the max-read DQS-return when the DQS receiver should be turned on.
This is specified in units of 0.5ns. The controller needs to know when to enbale
its DQS receiver in anticipation of the DRAM DQS driver truning on for a read.
The controller will disable its DQS receiver until the read preamble time and then
enable its DQS receiver while the DRAM asserts DQS. Setting options:...

3-14
MS-7125 ATX Mainboard
USB Controller
This setting allows you to enable/disable the onboard USB controller.  Selecting
[V1.1+V2.0] enables the system to support both USB 1.1 and 2.0 spec.  Setting
options: [Disabled], [V1.1], [V1.1+V2.0].
USB KB/Storage Support
Select [Enabled] if you need to use a USB-interfaced keyboard or storage
device in the operating system. Setting options: [Enabled], [Disabled].
Onboard LAN Control
This setting controls the onboard LAN controller. Setting options:...

3-15 BIOS Setup
I/O Device Configuration
Press  to enter the sub-menu and the following screen appears:Onboard GigaBit LAN
Setting to [Enabled] allows the BIOS to detect the Marvell LAN controller and
enable it. Setting options: [Enabled] and [Disabled].
Onboard GigaBit LAN ROM
This setting controls the onboard Marvell LAN Boot ROM. Setting options:
[Enabled], [Disabled].
AC97 Controller
[Auto] allows the mainboard to detect whether an audio device is used. If an
audio device is detected, the onboard...

3-16
MS-7125 ATX Mainboard
RxD, TxD Active
This setting controls the receiving and transmitting speed of the IR peripheral in
use. Setting options: [Hi,Hi], [Hi,Lo], [Lo,Hi], [Lo,Lo].
IR Transmission Delay
This setting determines whether the IR transmission rate will be delayed while
converting to receiving mode. Setting options: [Disabled], [Enabled].
UR2 Duplex Mode
This setting controls the operating mode of IR transmission/reception. Setting
options: [Full], [Half]. Under [Full] Duplex mode,...

3-17 BIOS Setup
IDE Function Setup
Press  to enter the sub-menu and the following screen appears:
OnChip IDE Channel 0
The integrated peripheral controller contains an IDE interface with support
for two IDE channels. Choose [Enabled] to activate each channel separately.
Settings: [Enabled], [Disabled].
 both support Ultra DMA/33, Ultra DMA/66 and Ultra DMA/100 select Auto to
enable BIOS support. The settings are: [Auto], [Disabled].
OnChip IDE Channel 1
The integrated peripheral controller contains an...

3-18
MS-7125 ATX Mainboard
SATA Devices Configuration
Press  to enter the sub-menu and the following screen appears:
RAID Enabled
This item is used to enable/disable the onchip RAID function. When you
set to enable and the following fields will be selectabled. Setting options:
[Enabled], [Disabled].
IDE Primary/Secondary Master/Slave RAID
This feature allows users to enable or disable the RAID function for
each IDE hard disk drive. Settings: [Enabled], [Disabled].
SATA 1/2/3/4 RAID
This feature allows...

3-19 BIOS Setup
Power Management Setup
ACPI Standby State
This item specifies the power saving modes for ACPI function. If your operating
system supports ACPI, such as Windows 98SE, Windows ME, Windows 2000, and
Windows XP, you can choose to enter the Standby mode in S1(POS) or S3(STR)
fashion through the setting of this field. Options are:
[S1 (POS)]The S1 sleep mode is a low power state. In this state, no
system context is lost (CPU or chipset) and hardware main-
tains all system context.
[S3 (STR)]The...