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Feature
Processor
Bus architecture
Memory (standard)
Memory (optional)
CMOS RAM
Display
(continued)
42
ThinkPad A20m/p, A21m/p, A22m/p
Description
A21p
v Mobile Intel
850 MHz featuring Intel
technology
A22m
v Mobile Intel
800 MHz featuring Intel
technology
v Mobile Intel
850 MHz featuring Intel
technology
v Mobile Intel
900 MHz featuring Intel
technology
v Mobile Intel
1 GHz featuring Intel
technology
A22p
v Mobile Intel
1 GHz featuring Intel
technology
PCI Bus
A20m/p
v 64 MB (on the system board)
v 128 MB (on the system board)
A21m/p
v 64 MB (on the system board)
v 128 MB (on the system board)
v 64 MB (64 MB SO-DIMM × 1)
v 128 MB (128 MB SO-DIMM × 1)
A22m/p
v 64 MB (64 MB SO-DIMM × 1)
v 128 MB (128 MB SO-DIMM × 1)
64 MB, 128 MB, or 256 MB DIMM card
(maximum of 512 MB)
114 bytes + 128 bytes
v 12.1-inch, 16M colors, SVGA (800×600
resolution) TFT color LCD
v 14.1-inch, 16M colors, XGA (1024×768
resolution) TFT color LCD
v 15.0-inch, 16M colors, XGA (1024×768
resolution) TFT color LCD
v 15.0-inch, 16M colors, SXGA+
(1400×1050 resolution) TFT color LCD
v 15.0-inch, 16M colors, UXGA
(1600×1200 resolution) TFT color LCD
Product overview
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Pentium
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Pentium
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Pentium
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Pentium
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SpeedStep
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Pentium
III processor at
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SpeedStep
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SpeedStep
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SpeedStep
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SpeedStep
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SpeedStep
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