if you're installing windows 2k or higher, i suggest you research automated windows installs. here's a copy of mine for work. it uses the whole drive as one partition and formats it.
How To Perform an Unattended Installation of Windows from a CD-ROM Code:
;SetupMgrTag
[Data]
AutoPartition=1
MsDosInitiated="0"
UnattendedInstall="Yes"
[Unattended]
Repartition=Yes
UnattendMode=FullUnattended
OemSkipEula=Yes
OemPreinstall=No
TargetPath=\WINNT
[GuiUnattended]
AdminPassword=*
OEMSkipRegional=1
TimeZone=35
OemSkipWelcome=1
[UserData]
ProductID=*omitted*
FullName="Registered User"
OrgName="Farmers of Salem"
ComputerName=*
[Display]
Xresolution=1280
YResolution=1024
[TapiLocation]
CountryCode=1
Dialing=Tone
AreaCode=856
[RegionalSettings]
LanguageGroup=1
Language=00000409
[Branding]
BrandIEUsingUnattended=Yes
[Proxy]
Proxy_Enable=0
Use_Same_Proxy=1
HTTP_Proxy_Server=172.18.1.1:8080
Proxy_Override="172.18.*; 172.19.*; *.idpnet.*; *.fosnj.*"
[Identification]
JoinDomain=FS_IMAGE
DomainAdmin=xxxxx
DomainAdminPassword=xxxxx
[Networking]
InstallDefaultComponents=No
[NetAdapters]
Adapter1=params.Adapter1
[params.Adapter1]
INFID=*
[NetClients]
MS_MSClient=params.MS_MSClient
[NetServices]
MS_SERVER=params.MS_SERVER
[NetProtocols]
MS_TCPIP=params.MS_TCPIP
[params.MS_TCPIP]
DNS=Yes
UseDomainNameDevolution=No
EnableLMHosts=Yes
AdapterSections=params.MS_TCPIP.Adapter1
DNSSuffixSearchOrder=172.18.1.150,172.18.1.151
[params.MS_TCPIP.Adapter1]
SpecificTo=Adapter1
DHCP=Yes
WINS=Yes
WinsServerList=172.18.1.150,172.18.1.151
NetBIOSOptions=0