有关DNS设置问题，请大虾帮忙！
大家好！由于我的机子差，我安装WIN2000精简版。但我要在安装系统之前改DNS才可以上网，我是菜鸟不会改，请大家帮忙！
以下是那个版本的说明：
一、使用说明
1、由于带路由ADSL是目前最常见的一种上网方式，所以系统将本机IP指定为192.168.1.12，DNS指定为长沙的DNS。请不同情况的朋友自己修改i386目录下的文件winnt.sif中的相关项目后再安装。
还有我在i386目录下的文件winnt.sif里面的内容是：
[Data]
Autopartition = 0
FloppyLess = 1
MsDosInitiated = 0
UnattendedInstall = Yes
[Unattended]
UnattendMode = FullUnattended
UnattendSwitch = Yes
OemPreinstall = Yes
OemSkipEula = Yes
FileSystem = *
NoWaitAfterTextMode = 1
NoWaitAfterGUIMode = 1
TargetPath = winnt
Hibernation = No
DriverSigningPolicy=Ignore
[GuiUnattended]
AutoLogon = Yes
AdminPassword = *
TimeZone = 210
OEMSkipRegional = 1
OemSkipWelcome = 1
[Components]
[UserData]
ProductKey = "CDG69-RMM3Y-D8R8Q-C6W44-C437J"
ComputerName = FLYING
FullName = Flying
OrgName = "Flying Computer"
[Identification]
JoinWorkgroup = WORKGROUP
[Branding]
BrandIEUsingUnattended=Yes
[Proxy]
Proxy_Enable=0
Use_Same_Proxy=0
[Networking]
InstallDefaultComponents=No
[NetAdapters]
Adapter1=params.Adapter1
[NetClients]
MS_MSClient=params.MS_MSClient
[NetServices]
MS_SERVER=params.MS_SERVER
[NetProtocols]
MS_TCPIP=params.MS_TCPIP
[params.MS_TCPIP]
DNS=No
UseDomainNameDevolution=No
EnableLMHosts=Yes
AdapterSections=params.MS_TCPIP.Adapter1
[params.MS_TCPIP.Adapter1]
SpecificTo=Adapter1
DHCP=No
IPAddress=192.168.1.12
SubnetMask=255.255.255.0
DefaultGateway=192.168.1.1
DNSServerSearchOrder=202.103.96.112,61.137.94.195
WINS=No
NetBIOSOptions=0
[params.Adapter1]
INFID=*
[GuiRunOnce]
Command0="chkntfs /t:0"
Command1="Wscript deploy.vbs"
请问我该怎样修改？我是广东 中山市
