Acer 240 - Manual (Page 48)

2 Customizing my computer 40
Englis
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3 Press the slot eject button (1) to pop out the eject button; then
press it again (1) to eject the card (2).
Upgrade options
Your computer delivers superior power and performance. However,
some users and the applications they use may demand more. This
computer allows you to upgrade key components when you need
increased performance.
Note: Contact your authorized dealer if you decide to perform a
key component upgrade.
Memory upgrade
Memory is expandable to 2 GB, employing DDR266/333 256MB/512MB/
1GB SDRAM modules. Two DDR DIMM slots. The computer supports
shadow RAM.
There are two memory slots on your computer, one of which is
occupied by standard memory. You can upgrade memory by installing
a memory module into the available slot, or replacing the standard
memory with a higher-capacity memory module.