default or selected kernelversion does not have config value CONFIG_BLK_DEV_SC1200.
Result is shown for kernelversion 6.9.9

National SCx200 chipset support

modulename: sc1200.ko

configname: CONFIG_BLK_DEV_SC1200

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support (DEPRECATED)
└─>National SCx200 chipset support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This driver adds support for the on-board IDE controller on the
National SCx200 series of embedded x86 "Geode" systems.

source code:

depends
CONFIG_IDE
CONFIG_PCI
CONFIG_COMPILE_TEST or CONFIG_X86_32