82802AB Datasheet, PDF (11/53 Pages) Intel Corporation – Firmware Hub (FWH)

Intel^® 82802AB/AC Firmware Hub
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Figure 2. Device Memory Map with Intel FWH Hardware Lock Architecture
0FFFFF
0F0000
0EFFFF
0E0000
0DFFFF
0D0000
0CFFFF
0C0000
0BFFFF
0B0000
0AFFFF
0A0000
09FFFF
090000
08FFFF
080000
07FFFF
070000
06FFFF
060000
05FFFF
050000
04FFFF
040000
03FFFF
030000
02FFFF
020000
01FFFF
010000
00FFFF
000000
64-Kbyte Block 15 } _{TBL# (8 Mb)}
64-Kbyte Block 14
64-Kbyte Block 13
64-Kbyte Block 12
64-Kbyte Block 11
64-Kbyte Block 10
64-Kbyte Block 9
64-Kbyte Block 8
64-Kbyte Block 7 }TBL# _{(4 Mb)}
64-Kbyte Block 6
64-Kbyte Block 5
64-Kbyte Block 4
64-Kbyte Block 3
64-Kbyte Block 2
64-Kbyte Block 1
64-Kbyte Block 0
WP# (8 Mb)
Blocks 0-14
WP# (4 Mb)
mem_map_lock
Figure 3. Intel FWH Boot-Configuration System Memory Map
System Memory
(Top 4 MB)
FFFFFFFFh
FWH
4 Mbit
Block 7
FWH
8 Mbit
Block 15
FFF80000h
FFF00000h
Block0
Datasheet
FFC00000h
Range for other
FWH devices
Block 0
Sys_memmap_boot
11