Lenovo ThinkPad 770X Technical Reference Manual for the ThinkPad 770 - Page 17

Specifications, Performance Specifications, to

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Specifications Figure 1-4 to Figure 1-7 on page 1-9 list the specifications for the computers. Performance Specifications Device/Cycle Clock Counts (66 MHz) Microprocessor L1 cache (64bit) read/write hit L2 cache (64bit) (for not all models) read hit (back-to-back) write hit (back-to-back) Memory (64bit) (see Note) read, page hit read, raw miss read, page miss posted write write retire rate from write buffer 200 or 233 MHz 1 CPUCLK 90 ns (60 ns) 90 ns (60 ns) 240 ns 285 ns 345 ns 90 ns 135 ns Note: The cycle times shown for access to system board RAM are based on 70 ns EDO memory. Figure 1-4. Performance Specifications System Overview 1-7

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Specifications
Figure
1-4 to Figure
1-7 on page
1-9 list the specifications for the
computers.
Performance Specifications
Figure
1-4. Performance Specifications
Device/Cycle
Clock Counts
(66 MHz)
Microprocessor
200 or 233
MHz
L1 cache (64bit)
read/write hit
1 CPUCLK
L2 cache (64bit) (for not all
models)
read hit (back-to-back)
write hit (back-to-back)
90 ns (60 ns)
90 ns (60 ns)
Memory (64bit) (see Note)
read, page hit
read, raw miss
read, page miss
240 ns
285 ns
345 ns
posted write
write retire rate from
write buffer
90 ns
135 ns
Note:
The cycle times shown for access to system
board RAM are based on 70 ns EDO memory.
System Overview
1-7