Lenovo 8141, 8426, 8421, 8145, 8142, 8420, 8095, 8096 manual Installing options

Models: 8426 8420 8096 8095 8145 8141 8142 8421

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1.Remove the computer cover. See “Removing the cover” on page 10.

2.Locate the memory connectors. See “Identifying parts on the system board” on page 11.

v If the two memory connectors closest to the edge of the system board are a yellow color, your system board has DDR type memory. DDR memory modules are 184-pin, 2.5 V and can be used in any combination of 128 MB, 256 MB, 512 MB, and 1 GB sizes.

vIf the two memory connectors closest to the edge of the system board are a green color, your system board has DDR2 type memory. DDR2 memory modules are 240-pin, 1.8 V and can be used in any combination of 256 MB, 512 MB, and 1 GB sizes.

Notes:

a.The type of memory required is also indicated in text near the logo on the system board.

b.System memory as reported in the System Summarysection of the Setup Utility or the operating system might be less than the amount of physical memory installed. This discrepancy is due to memory addressing limitations of the Intel 915G Family chipset, and is usually not visible until more than 3.0 GB of memory is installed.

To install a memory module:

1.Remove the computer cover. See “Removing the cover” on page 10.

2.Pivot the drive bay assembly upward to gain access to the system board.

3.Locate the memory connectors. See “Identifying parts on the system board” on page 11.

4.Open the retaining clips.

Chapter 1. Installing options 13

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Lenovo 8141, 8426, 8421, 8145, 8142, 8420, 8095, 8096 manual Installing options