Ok, I learned from these forums how to turn on the debug output, so here is some additional info that displays. The database passed the pre-install check, so not sure what needs to happen to get a valid db config.

Thanks!

Installing SilverStripe...

I am now running through the installation steps (this should take about 30 seconds)

If you receive a fatal error, refresh this page to continue the installation
# Creating 'tutorial/_config.php'...
# Creating '.htaccess' file...
# Building database schema...

Notice: Undefined offset: 1 in xxxxxxxxxx/sapphire/old main.php on line 51

Notice: Undefined variable: databaseConfig in xxxxxxxxxx/sapphire/old main.php on line 90

FATAL ERROR: DB::connect: Not passed a valid database config
At line 51 in xxxxxxxxxx/sapphire/core/model/DB.php

user_error(DB::connect: Not passed a valid database config,256)
line 51 of DB.php

DB::connect()
line 90 of old main.php

include_once(xxxxxxxxxx/sapphire/old main.php)
line 308 of ManifestBuilder.php

ManifestBuilder::allClasses(Array)
line 178 of ManifestBuilder.php

ManifestBuilder::compileManifest()
line 656 of install.php

Installer->install(Array)
line 70 of install.php
Context
Debug (Debug::showError() in line 149 of Debug.php)

* databaseConfig =