Most internal device whose bus size is eight bits is connected to one of the 8-bit buses. However, recovery time of this instruction depends on the hardware. Back to the contents BIOS work area During initialization time, BIOS sets various parameters into its work area. The physical memoy with the range from 0x400 to 0x640 is used for this work area. 0xb8000, and 0xe0000, respectively.
Eache plane is subdivided into two banks.