Gets and sets the cache device. If flags has IG_PDE_SET_CACHE_DEVICE set, the first 6 cache device values contain the operands for the d1 (setcachedevice) page operator. If flags has IG_PDE_SET_CHAR_WIDTH set, cacheDevice contains 2 charwidth values.
Read-write property
Default Value: {0, 0, 0, 0, 0, 0, 0, 0}