AMD Geode SC1200 Data Book page 280

32579B Core Logic Module - X-Bus Expansion Interface - Function 5
Table 6-39. F5: PCI Header Registers for X-Bus Expansion (Continued)
Bit Description
Index 64h-67h Scratchpad: Usually used for Configuration Block Address (R/W) Reset Value: 00000000h
BIOS writes a value, of the Configuration Block Address.
Index 68h-FFh Reserved
280 AMD Geode™ SC1200/SC1201 Processor Data Book