CONFIG_ACER_PICA_61 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Support for Acer PICA 1 chipset

configname: CONFIG_ACER_PICA_61

Linux Kernel Configuration
└─>Support for Acer PICA 1 chipset
In linux kernel since version 2.6.12  
This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
kernel that runs on these, say Y here. For details about Linux on
the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at