Trying to use PowerMac G4 with HD Cinema Display

I am trying to use a PowerMac G4 Digital Audio with an Apple HD Cinema Display (23-inch). I bought the Belkin connector so I could connect ADC to DVI. When I start up the Mac, I get the startup screen, gray with Apple logo and spinning startup ball, but then it goes dark. Any idea what the problem might be? Could it be a video card issue? Thanks!

If you get something like the linked HP, you will want an upgraded card, minimum of a Radeon 9800 Pro.
The DA can use numerous 4x AGP options, of which the best overall performer is a Geforce 6800 GT (flashed PC version).
The main issue with the HP is the newer 16:9 ratio, for which most old OEM cards have no firmware resolution support (only 16:10 was available in the day).
Use of some software like SwitchresX will be necessary with a newer monitor and older OEM cards.
OEM options are all listed on my page here:
8923D90A-7AD8-41F1-BD1A-FEA5E1780B95.html
All performance options are listed here:
4B4B7BA2-7ABB-47F1-87AC-B03D37942BEE.html
Like Jon said, if you upgrade your graphics card, your DA will love it (and you, in turn, will love the DA more).

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I'm trying to use kerberos V5 with ActiveDirectory but get an error

I'm trying to use kerberos V5 with ActiveDirectory im using simple code from previuos posts but
when i try with correct username/password i get :
Authentication attempt failedjavax.security.auth.login.LoginException: Message stream modified (41)
when i try incorrect username/pass i get :
Pre-authentication information was invalid (24)
Debug info is :
Debug is true storeKey false useTicketCache false useKeyTab false doNotPrompt false ticketCache is null isInitiator true KeyTab is null refreshKrb5Config is false principal is null tryFirstPass is false useFirstPass is false storePass is false clearPass is false
Kerberos username [naiden]: naiden
Kerberos password for naiden:      naiden
          [Krb5LoginModule] user entered username: naiden
Acquire TGT using AS Exchange
          [Krb5LoginModule] authentication failed
Pre-authentication information was invalid (24)
Authentication attempt failedjavax.security.auth.login.LoginException: Java code is :
import javax.naming.*;
import javax.naming.directory.*;
import javax.security.auth.login.*;
import javax.security.auth.Subject;
import com.sun.security.auth.callback.TextCallbackHandler;
import java.util.Hashtable;
* Demonstrates how to create an initial context to an LDAP server
* using "GSSAPI" SASL authentication (Kerberos v5).
* Requires J2SE 1.4, or JNDI 1.2 with ldapbp.jar, JAAS, JCE, an RFC 2853
* compliant implementation of J-GSS and a Kerberos v5 implementation.
* Jaas.conf
* racfldap.GssExample {com.sun.security.auth.module.Krb5LoginModule required client=TRUE useTicketCache=true doNotPrompt=true; };
* 'qop' is a comma separated list of tokens, each of which is one of
* auth, auth-int, or auth-conf. If none is supplied, the default is 'auth'.
class KerberosExample {
public static void main(String[] args) {
java.util.Properties p = new java.util.Properties(System.getProperties());
p.setProperty("java.security.krb5.realm", "ISY");
p.setProperty("java.security.krb5.kdc", "192.168.0.101");
p.setProperty("java.security.auth.login.config", "C:\\jaas.conf");
System.setProperties(p);
// 1. Log in (to Kerberos)
LoginContext lc = null;
try {
lc = new LoginContext("ISY",
new TextCallbackHandler());
// Attempt authentication
lc.login();
} catch (LoginException le) {
System.err.println("Authentication attempt failed" + le);
System.exit(-1);
// 2. Perform JNDI work as logged in subject
Subject.doAs(lc.getSubject(), new LDAPAction(args));
// 3. Perform LDAP Action
* The application must supply a PrivilegedAction that is to be run
* inside a Subject.doAs() or Subject.doAsPrivileged().
class LDAPAction implements java.security.PrivilegedAction {
private String[] args;
private static String[] sAttrIDs;
private static String sUserAccount = new String("Administrator");
public LDAPAction(String[] origArgs) {
this.args = (String[])origArgs.clone();
public Object run() {
performLDAPOperation(args);
return null;
private static void performLDAPOperation(String[] args) {
// Set up environment for creating initial context
Hashtable env = new Hashtable(11);
env.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
// Must use fully qualified hostname
env.put(Context.PROVIDER_URL, "ldap://192.168.0.101:389/DC=isy,DC=local");
// Request the use of the "GSSAPI" SASL mechanism
// Authenticate by using already established Kerberos credentials
env.put(Context.SECURITY_AUTHENTICATION, "GSSAPI");
env.put("javax.security.sasl.server.authentication", "true");
try {
/* Create initial context */
DirContext ctx = new InitialDirContext(env);
/* Get the attributes requested */
Attributes aAnswer =ctx.getAttributes( "CN="+ sUserAccount + ",CN=Users,DC=isy,DC=local");
NamingEnumeration enumUserInfo = aAnswer.getAll();
while(enumUserInfo.hasMoreElements()) {
System.out.println(enumUserInfo.nextElement().toString());
// Close the context when we're done
ctx.close();
} catch (NamingException e) {
e.printStackTrace();
}JAAS conf file is :
ISY {
     com.sun.security.auth.module.Krb5LoginModule required
debug=true;
};krb5.ini file is :
# Kerberos 5 Configuration File
# All available options are specified in the Kerberos System Administrator's Guide. Very
# few are used here.
# Determines which Kerberos realm a machine should be in, given its domain name. This is
# especially important when obtaining AFS tokens - in afsdcell.ini in the Windows directory
# there should be an entry for your AFS cell name, followed by a list of IP addresses, and,
# after a # symbol, the name of the server corresponding to each IP address.
[libdefaults]
     default_realm = ISY
[domain_realm]
     .isy.local = ISY
     isy.local = ISY
# Specifies all the server information for each realm.
#[realms]
     ISY=
          kdc = 192.168.0.101
          admin_server = 192.168.0.101
          default_domain = ISY
     }

Now it works
i will try to explain how i do this :
step 1 )
fallow this guide http://www.cit.cornell.edu/computer/system/win2000/kerberos/
and configure AD to use kerberos and to heve Kerberos REALM
step 2 ) try windows login to the new realm to be sure that it works ADD trusted realm if needed.
step 3 ) create jaas.conf file for example in c:\
it looks like this :
ISY {
     com.sun.security.auth.module.Krb5LoginModule required
debug=true;
};step 4)
( dont forget to make mappings which are explained in step 1 ) go to Active Directory users make sure from View to check Advanced Features Right click on the user go to mappings in secound tab kerberos mapping add USERNAME@KERBEROSreaLm for example [email protected]
step 5)
copy+paste this code and HIT RUN :)
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import com.sun.security.auth.callback.TextCallbackHandler;
public class Main {
    public static void main(String[] args) {
    java.util.Properties p = new java.util.Properties(System.getProperties());
    p.setProperty("java.security.krb5.realm", "ISY.LOCAL");
    p.setProperty("java.security.krb5.kdc", "192.168.0.101");
    p.setProperty("java.security.auth.login.config", "C:\\jaas.conf");
    System.setProperties(p);
    // 1. Log in (to Kerberos)
    LoginContext lc = null;
    try {
            lc = new LoginContext("ISY", new TextCallbackHandler());
    // Attempt authentication
    lc.login();
    } catch (LoginException le) {
    System.err.println("Authentication attempt failed" + le);
    System.exit(-1);
    // 2. Perform JNDI work as logged in subject
    Subject.doAs(lc.getSubject(), new LDAPAction(args));
    // 3. Perform LDAP Action
    * The application must supply a PrivilegedAction that is to be run
    * inside a Subject.doAs() or Subject.doAsPrivileged().
    class LDAPAction implements java.security.PrivilegedAction {
    private String[] args;
    private static String[] sAttrIDs;
    private static String sUserAccount = new String("Administrator");
    public LDAPAction(String[] origArgs) {
    this.args = origArgs.clone();
    public Object run() {
    performLDAPOperation(args);
    return null;
    private static void performLDAPOperation(String[] args) {
    // Set up environment for creating initial context
    Hashtable env = new Hashtable(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY,
    "com.sun.jndi.ldap.LdapCtxFactory");
    // Must use fully qualified hostname
    env.put(Context.PROVIDER_URL, "ldap://192.168.0.101:389");
    // Request the use of the "GSSAPI" SASL mechanism
    // Authenticate by using already established Kerberos credentials
    env.put(Context.SECURITY_AUTHENTICATION, "GSSAPI");
//    env.put("javax.security.sasl.server.authentication", "true");
    try {
    /* Create initial context */
    DirContext ctx = new InitialDirContext(env);
    /* Get the attributes requested */
    //Create the search controls
    SearchControls searchCtls = new SearchControls();
    //Specify the attributes to return
    String returnedAtts[]={"sn","givenName","mail"};
    searchCtls.setReturningAttributes(returnedAtts);
    //Specify the search scope
    searchCtls.setSearchScope(SearchControls.SUBTREE_SCOPE);
    //specify the LDAP search filter
    String searchFilter = "(&(objectClass=user)(mail=*))";
    //Specify the Base for the search
    String searchBase = "DC=isy,DC=local";
    //initialize counter to total the results
    int totalResults = 0;
    // Search for objects using the filter
    NamingEnumeration answer = ctx.search(searchBase, searchFilter, searchCtls);
    //Loop through the search results
    while (answer.hasMoreElements()) {
            SearchResult sr = (SearchResult)answer.next();
        totalResults++;
        System.out.println(">>>" + sr.getName());
        // Print out some of the attributes, catch the exception if the attributes have no values
        Attributes attrs = sr.getAttributes();
        if (attrs != null) {
            try {
            System.out.println("   surname: " + attrs.get("sn").get());
            System.out.println("   firstname: " + attrs.get("givenName").get());
            System.out.println("   mail: " + attrs.get("mail").get());
            catch (NullPointerException e)    {
            System.err.println("Error listing attributes: " + e);
    System.out.println("RABOTIII");
        System.out.println("Total results: " + totalResults);
    ctx.close();
    } catch (NamingException e) {
    e.printStackTrace();
}It will ask for username and password
type for example : [email protected] for username
and password : TheSecretPassword
where ISY.LOCAL is the name of kerberos realm.
p.s. it is not good idea to use Administrator as login :)
Edited by: JOKe on Sep 14, 2007 2:23 PM

I've just bought a Macbook Pro 15" and I'm trying to use Photoshop, but the resolution its displaying the images at for 100% are too small. I have to design for the web, so need to be intricate with detail, but I'm finding it adjusts the resolution of the

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FireWire (and USB?) problems with 23" Cinema display

Hello.
Whenever my G5 wakes from sleep, I seem to have problems with FireWire devices attached to the Cinema Display (and, possibly, the USB ports also). Somehow, it seems that the "wake" signal is not transmitted to them.
Specifically:
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Hi There,
I have had the exact same issue but with a projector.
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Thanks.

Will 2008 macbook pro work with 27" cinema display?

November macbook pro 13"
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If you have a MBP 5,1 as your post indicates, it has both a 9400M and a 9600M GT GPU, not a 9200M.

Can i use Apple 2005 20-inche cinema display on Mac pro ?

can i use Apple 2005 20-inche cinema display on Mac pro ?

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<http://upload.wikimedia.org/wikipedia/commons/0/09/AppleDisplayConnector.jpg>
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<http://www.amazon.com/Apple-M8661LL-Display-Adapter-4038234011420/dp/B00011KHT2>

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Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Apple Mini DisplayPort adapters: Frequently asked questions (FAQ)
http://support.apple.com/kb/ht3382
Mac notebooks: How to use your computer in closed clamshell (display closed) mode with an external display
http://support.apple.com/kb/ht3131
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Have a great day!
- Judy

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USB Over Current Notice on G5 with 22” Cinema Display
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In conclusion, all I can say is, I sincerely appreciate that you've taken the time to respond in an attempt to help. Thank you.

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I have a macpro(2008) and want to use two Apple LED 24 Cinema Displays.
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GT120has one miniport. It's it better to buy two GT120?
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Message was edited by: mosquito7979

Hi-
Can I Use Dual Apple LED 24 Cinema Displays?
Yes.
Either another graphics card or an Atlona box;
http://www.atlona.com/Atlona-DVI-to-Mini-DisplayPort-Converter-p-17859.html
Either way will get your 24" LED displays connected.
If you use FCP, the box would be better......

How to use a mac mini intel with 30" cinema display

Arg, I just bought an Apple 30" cinema display to go with my new Mac mini intel, but oops the 30" apple cinema display has to use a dual link dvi card. Anyone know how to get out of this horrible situation without buying another new computer.
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If you want to run the LCD at it's high 2560x1600 resolution, then you have absolutely no option whatsoever than to buy a PowerMac or MacBook Pro. Otherwise, you will be able to run the panel at 1280x800 with the Mac mini, which wouldn't make much sense though.

Mid-2012 MBP with 27" Cinema Display SCREEN GOES BLACK WHEN USING USB PERIPHERALS IN DOCK

I haven't been able to find any straightforward answer as to why this is happening and it's becoming one of the most infuriating things in my life, impeding my workflow and costing me unmeasurable time in waiting, rebooting, screwing with cables, etc.
I use my MBP as a DAW for multitracking live audio events to ProTools through a digital console where I work. Here's my gear list that I use every day:
Mid-2012 MBP - Yosemite, 8GB, i7 quad 2.5, mechanical hd
HengeDocks dock for my exact model machine - has set-screw jacks for CinemaDisplay power, Tbolt, FW800, USB, USB, SDcard, headphones, etc
USB wired keyboard
Anker 1x4 USB3.0 hub - I have a TimeMachine 1TB drive, 3TB project backup drive, audio interface and MIDI I/O or PT iLok, depending what I'm working on
Magic Mouse (BlueTooth)
Here's what's happening:
SCENARIO 1 - I insert the CinemaDisplay (cD) power connector and TBolt plugs into the dock, tighten the set screws, close the lid of my MBP (already logged into Yosemite & linked with MagicMouse [mM]) and stick the MBP into the dock... everything comes up on the cD and I can go about my day. At this point, I can plug the USB hub into the back of the cD and the system sees the hub & all peripherals listed just fine.
SCENARIO 2 - Install cD powercon, TBolt connector, USB3 hub, USB keyboard into the dock, close the lid on MBP (again, logged in), insert into dock... cD comes up, looks great for about 15 seconds then goes completely blank. No response from key presses, mouse clicks, threats with a hammer, etc. Then, of course, I have to yank the MBP out of the dock, which hard-disconnects the external drives (backup and TimeMachine... good for them, right?) and causes the MBP to flake, thinking it's still in the dock, then not, then logging me out & requiring a password (not a big deal- I deal with copyrighted stuff, so passwords aren't the issue).
***EVEN IF I DO NOT PLUG THE USB3 HUB INTO THE HENGE DOCK, THE cD STILL GOES BLANK AFTER 15 SEC... IT ONLY SEEMS TO LIKE THE TBOLT AND POWER... NO OTHER PERIPHERALS (fw800, USB, etc)***
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Any ideas out there?

Have now taken the 27" display into the repair shop and after 24 hrs got the phone call - "appears to be nothing wrong with it, will check again on Tuesday and let you know".
I can't seem to find anything on the net describing a similar problem. Everything is working fine right now with the Mac Pro connected to the older 20 inch Cinema Display. In fact, everything seems to be working about a second faster.
I was told by the local retailer that Apple no longer makes the 27 inch LED Cinema Display product and the new display, the "Thunderbolt" will not work with my 13 month old Mac Pro.
***??? In 20 years of owning Mac equipment, this is my first major "uh-oh".

Trying to use PowerMac G4 with HD Cinema Display

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