Sony PCV-RX640 - Manual (Page 49)

Removing, Installing, and Replacing Components 37
Installing System Memory
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.
2 Remove the side cover (see “Removing the Side Cover” on page 24).
3
Remove the power supply (see “Removing the Power Supply” on
page 47).
4 If necessary, remove the memory module you wish to replace (see
“Removing a Memory Module” on page 35).
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.
!
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.
Memory module configurations (MB)
*
* 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.
DIMM1 DIMM2
0, 8, 16, 32, 64, 128, 256 0, 8, 16, 32, 64, 128, 256
✍
Use only 133 Mhz unbuffered FSB-supported memory. PC133 (CL3) does not
support EDO or buffered SDRAM memory.
!
Touch any exposed metal part of the chassis to discharge static
electricity in your body before handling a memory module.