The Light page of the Object Settings dialog:

General Settings

• Specular Color - The specular color of the light.

Attenuation

• Constant/Linear/Quadratic - Light attenuation factors.

Other Settings

Various settings in the Softimage/XSI light are exported, Some of these can be found in the main light settings, others can be found in the light's soft light shader:

• Light Shader color - This setting is exported as the lights diffuse color.
• Exponent - The light's exponent is exported as its power.
• Use Shadow Map, Use Volume Shadowmaps, or Light Shader shadow - Whichever of these settings is checked indicates whether the light is capable of casting shadows. It is exported.
• Light Shader stop - This setting is exported as the light's range.
• Cone Angle - If the light is a spotlight, this setting is exported.
• Light Shader spread - If the light is a spotlight, this setting is exported.