Aqui os pongo la configuracion de mi httpd.conf.
Tengo el php instalado en la carpeta de archivos de programa normal, aunque los archivos de la pagina en php (es decir, de momento solo el phpinfo.php) estan en c:\miweb\. Y la carpeta de php la extraje a c:\php\. 
ServerType standalone 
ServerRoot "C:/Archivos de programa/Apache Group/Apache" 
PidFile logs/httpd.pid 
ScoreBoardFile logs/apache_runtime_status 
Timeout 300 
KeepAlive On 
MaxKeepAliveRequests 100 
KeepAliveTimeout 15 
MaxRequestsPerChild 0 
ThreadsPerChild 50 
# Example:
# LoadModule foo_module modules/mod_foo.so
LoadModule php4_module c:/php/sapi/php4apache.dll 
ClearModuleList
AddModule mod_php4.c
#AddModule mod_vhost_alias.c
AddModule mod_env.c
AddModule mod_log_config.c
#AddModule mod_mime_magic.c
AddModule mod_mime.c
AddModule mod_negotiation.c
#AddModule mod_status.c
#AddModule mod_info.c
AddModule mod_include.c
AddModule mod_autoindex.c
AddModule mod_dir.c
AddModule mod_isapi.c
AddModule mod_cgi.c
AddModule mod_asis.c
AddModule mod_imap.c
AddModule mod_actions.c
#AddModule mod_speling.c
AddModule mod_userdir.c
AddModule mod_alias.c
#AddModule mod_rewrite.c
AddModule mod_access.c
AddModule mod_auth.c
#AddModule mod_auth_anon.c
#AddModule mod_auth_dbm.c
#AddModule mod_auth_digest.c
#AddModule mod_digest.c
#AddModule mod_proxy.c
#AddModule mod_cern_meta.c
#AddModule mod_expires.c
#AddModule mod_headers.c
#AddModule mod_usertrack.c
#AddModule mod_unique_id.c
AddModule mod_so.c
AddModule mod_setenvif.c 
Port 8080 
ServerAdmin 
[email protected] 
ServerName 127.0.0.1:8080 
DocumentRoot "C:/miweb/" 
<Directory />
    Options FollowSymLinks
    AllowOverride None
</Directory> 
<Directory "C:/miweb"> 
    Options Indexes FollowSymLinks MultiViews 
    AllowOverride None 
    Order allow,deny
    Allow from all
</Directory> 
<IfModule mod_userdir.c>
    UserDir "C:/Archivos de programa/Apache Group/Apache/users/"
</IfModule> 
<IfModule mod_dir.c>
    DirectoryIndex index.html index.htm index.php index.php3 index.phtml
AddType application/x-httpd-php .php .php3 .phtml
AddType application/x-httpd-php-source .phps
</IfModule> 
AccessFileName .htaccess 
<Files ~ "^\.ht">
    Order allow,deny
    Deny from all
    Satisfy All
</Files> 
UseCanonicalName On 
<IfModule mod_mime.c>
    TypesConfig conf/mime.types
</IfModule> 
DefaultType text/plain 
<IfModule mod_mime_magic.c>
    MIMEMagicFile conf/magic
</IfModule> 
HostnameLookups Off 
ErrorLog logs/error.log 
LogLevel warn 
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent 
CustomLog logs/access.log common 
ServerSignature On 
<IfModule mod_alias.c>
    Alias /icons/ "C:/Archivos de programa/Apache Group/Apache/icons/" 
    <Directory "C:/Archivos de programa/Apache Group/Apache/icons">
        Options Indexes MultiViews
        AllowOverride None
        Order allow,deny
        Allow from all
    </Directory> 
    Alias /manual/ "C:/Archivos de programa/Apache Group/Apache/htdocs/manual/" 
    <Directory "C:/Archivos de programa/Apache Group/Apache/htdocs/manual">
        Options Indexes FollowSymlinks MultiViews
        AllowOverride None
        Order allow,deny
        Allow from all
    </Directory>  
    ScriptAlias /cgi-bin/ "C:/Archivos de programa/Apache Group/Apache/cgi-bin/" 
    <Directory "C:/Archivos de programa/Apache Group/Apache/cgi-bin">
        AllowOverride None
        Options None
        Order allow,deny
        Allow from all
    </Directory> 
</IfModule> 
<IfModule mod_autoindex.c> 
    IndexOptions FancyIndexing 
    AddIconByEncoding (CMP,/icons/compressed.gif) x-compress x-gzip 
    AddIconByType (TXT,/icons/text.gif) text/*
    AddIconByType (IMG,/icons/image2.gif) image/*
    AddIconByType (SND,/icons/sound2.gif) audio/*
    AddIconByType (VID,/icons/movie.gif) video/* 
    AddIcon /icons/binary.gif .bin .exe
    AddIcon /icons/binhex.gif .hqx
    AddIcon /icons/tar.gif .tar
    AddIcon /icons/world2.gif .wrl .wrl.gz .vrml .vrm .iv
    AddIcon /icons/compressed.gif .Z .z .tgz .gz .zip
    AddIcon /icons/a.gif .ps .ai .eps
    AddIcon /icons/layout.gif .html .shtml .htm .pdf
    AddIcon /icons/text.gif .txt
    AddIcon /icons/c.gif .c
    AddIcon /icons/p.gif .pl .py
    AddIcon /icons/f.gif .for
    AddIcon /icons/dvi.gif .dvi
    AddIcon /icons/uuencoded.gif .uu
    AddIcon /icons/script.gif .conf .sh .shar .csh .ksh .tcl
    AddIcon /icons/tex.gif .tex
    AddIcon /icons/bomb.gif core 
    AddIcon /icons/back.gif ..
    AddIcon /icons/hand.right.gif README
    AddIcon /icons/folder.gif ^^DIRECTORY^^
    AddIcon /icons/blank.gif ^^BLANKICON^^ 
    DefaultIcon /icons/unknown.gif 
    ReadmeName README
    HeaderName HEADER 
    IndexIgnore .??* *~ *# HEADER* README* RCS CVS *,v *,t 
</IfModule> 
<IfModule mod_mime.c>
    AddType application/x-tar .tgz 
    AddEncoding x-compress .Z
    AddEncoding x-gzip .gz .tgz 
    AddLanguage da .dk
    AddLanguage nl .nl
    AddLanguage en .en
    AddLanguage et .ee
    AddLanguage fr .fr
    AddLanguage de .de
    AddLanguage el .el
    AddLanguage he .he
    AddCharset ISO-8859-8 .iso8859-8
    AddLanguage it .it
    AddLanguage ja .ja
    AddCharset ISO-2022-JP .jis
    AddLanguage kr .kr
    AddCharset ISO-2022-KR .iso-kr
    AddLanguage nn .nn
    AddLanguage no .no
    AddLanguage pl .po
    AddCharset ISO-8859-2 .iso-pl
    AddLanguage pt .pt
    AddLanguage pt-br .pt-br
    AddLanguage ltz .lu
    AddLanguage ca .ca
    AddLanguage es .es
    AddLanguage sv .sv
    AddLanguage cs .cz .cs
    AddLanguage ru .ru
    AddLanguage zh-TW .zh-tw
    AddCharset Big5         .Big5    .big5
    AddCharset WINDOWS-1251 .cp-1251
    AddCharset CP866        .cp866
    AddCharset ISO-8859-5   .iso-ru
    AddCharset KOI8-R       .koi8-r
    AddCharset UCS-2        .ucs2
    AddCharset UCS-4        .ucs4
    AddCharset UTF-8        .utf8 
    <IfModule mod_negotiation.c>
        LanguagePriority en da nl et fr de el it ja kr no pl pt pt-br ru ltz ca es sv tw
    </IfModule>
</IfModule> 
<IfModule mod_setenvif.c>
    BrowserMatch "Mozilla/2" nokeepalive
    BrowserMatch "MSIE 4\.0b2;" nokeepalive downgrade-1.0 force-response-1.0
    BrowserMatch "RealPlayer 4\.0" force-response-1.0
    BrowserMatch "Java/1\.0" force-response-1.0
    BrowserMatch "JDK/1\.0" force-response-1.0 
</IfModule>  
He quitado todas las explicaciones, y supongo que aun asi sobraran cosas, pero bueno, por si acaso.. 
Muxas gracias por tu ayuda!