Lenovo ThinkPad 560 TP 560Z Technical Reference Manual - Page 33

System Memory Map, System Board Memory Connector for DIMM, 16 shows the pin assignments for the DIMM

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System Memory Map Memory is mapped by the memory controller registers. Figure 2-10 shows the memory map for a correctly functioning system. Memory can be mapped differently if POST detects an error in system board memory or RT/CMOS RAM. In the figure, the variable x represents the number of 1MB blocks of system board memory starting at or above the X'100000' boundary. Hex Address Range 00000000 to 0009FFFF 000A0000 to 000BFFFF 000C0000 to 000C9FFF 000CA000 to 000EFFFF 000F0000 to 000FFFFF 00100000 to (00100000 + x MB) FFFF0000 to FFFFFFFF Function 640-KB system board RAM Video RAM System board video BIOS ROM mapped to RAM Channel ROM 64-KB system board ROM mapped to RAM x-MB system board RAM 64-KB system board ROM (same as X'000F0000' to X'000FFFFF') Figure 2-10. System Memory Map System Board Memory Connector for DIMM The system board of ThinkPad 560Z has one DIMM connector that directly accepts one 144-pin DIMM of one of the following three different capacities: 16-MB, 32-MB, or 64-MB. Figure 2-11 on page 2-16 shows the pin assignments for the DIMM connector. ThinkPad 560Z System Board 2-15

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System Memory Map
Memory is mapped by the memory controller registers.
Figure
2-10 shows the memory map for a correctly functioning
system.
Memory can be mapped differently if POST detects an error
in system board memory or RT/CMOS RAM.
In the figure, the
variable
x
represents the number of 1MB blocks of system board
memory starting at or above the X
'
100000
'
boundary.
Figure
2-10.
System Memory Map
Hex Address Range
Function
00000000 to 0009FFFF
640-KB system board RAM
000A0000 to 000BFFFF
Video RAM
000C0000 to 000C9FFF
System board video BIOS ROM mapped to
RAM
000CA000 to 000EFFFF
Channel ROM
000F0000 to 000FFFFF
64-KB system board ROM mapped to RAM
00100000 to (00100000 +
x
MB)
x
-MB system board RAM
FFFF0000 to FFFFFFFF
64-KB system board ROM
(same as X
'
000F0000
'
to X
'
000FFFFF
'
)
System Board Memory Connector for DIMM
The system board of ThinkPad 560Z has one DIMM connector that
directly accepts one 144-pin DIMM of one of the following three
different capacities:
16-MB, 32-MB, or 64-MB.
Figure
2-11 on page
2-16 shows the pin assignments for the DIMM
connector.
ThinkPad 560Z System Board
2-15