User`s manual

Am486
®
Microprocessor PCI Customer Development Platform User’s Manual
2-24
Figure 2-6. Typical Memory Map With ISA and EIP Flash Memory
100000h
(15 Mbyte) EFFFFFh
000000h
(16 Mbyte) FFFFFFh
(1 Mbyte) 0FFFFFh
F00000h
ISA Flash
Memory
(56 Mbyte) 37FFFFFh
DRAM
DRAM
(48 Mbyte) 2FFFFFFh
1000000h
3000000h
EIP Flash
Bank 1
}
Enabled Via
Chipset Register
12h, Bit 3
EIP Flash
Bank 0
(52 Mbyte) 33FFFFFh
3400000h
EIP Location
Depends on
DRAM Size
Accessed as
Fourth DRAM
Bank (Bank 3)
}
DRAM
128 Kbyte
Boot ROM