Address and Interrupt Tables B-1A p p e n d i x BAddress and Interrupt TablesB.1 System Memory MapAddress Range Definition Function000000 - 09FFFF 640 KB memory Base memory0A0000 - 0BFFFF 128 KB video RAM Reserved for graphics displaybuffer0C0000 - 0CBFFF Video BIOS Video BIOS0E0000 - 0EFFFF0F0000 - 0FFFFF128 KB system BIOS System BIOSSystem BIOS10000 - 7FFFF80000 - 27FFFExtended memory Onboard memorySIMM memoryFE0000 - FFFFFF 256 KB system ROM Duplicate of code assignment at0E0000-0FFFFF