SC1544 - ACPI Controller for Advanced Motherboards
Semtechs SC1544, SC243x and SC1112A or SC1114 provide all the voltages necessary for an ACPI system.
The SC1544 offers five independant supplies: a 5V dual supply for USB, a 3.3V dual supply for PCI, a 3.3V or 2.5V dual supply for memory, a 1.5V or 3.3V supply for AGP and a 1.8V supply.
The AGP sup