Installing System Memory - Sony PCV-RX640 System Reference Manual

Removing, Installing, and Replacing Components

Installing System Memory

!
Before opening the system unit, save and close all open files, exit all open
applications, turn off the power to all attached peripheral devices, shut
down the computer, and unplug the power cord.
1
Choose the size of the memory module and configuration as shown
in the following table. Memory modules can vary in size and speed
between sockets. The minimum memory size is 8 MB. The maximum
memory size is 512 MB. The BIOS automatically detects the type, size
and speed of the memory modules.
Memory module configurations (MB)
DIMM1
0, 8, 16, 32, 64, 128, 256
* Your computer ships with at least 256 MB. SDRAM is expandable to
512 MB. Your model may ship with more than 256 MB SDRAM
depending on the configuration you purchased.
✍
Use only 133 Mhz unbuffered FSB-supported memory. PC133 (CL3) does not
support EDO or buffered SDRAM memory.
2
Remove the side cover (see
3
Remove the power supply (see
page 47).
4
If necessary, remove the memory module you wish to replace (see
"Removing a Memory Module"
!
Touch any exposed metal part of the chassis to discharge static
electricity in your body before handling a memory module.
5
If necessary, remove any previously installed AGP cards.
6
Remove the new memory module(s) from its anti-static package.
Hold the memory module only by its edges to prevent static-
electricity damage.
*
DIMM2
0, 8, 16, 32, 64, 128, 256
"Removing the Side Cover"
"Removing the Power Supply"
on page 35).
37
on page 24).
on