我有一台宏碁 (Aspire E1-431) 笔记本电脑。我想增加内存。理想情况下，我想要 4Gb，但我不知道如何检查硬件是否可以支持此扩展。
mchandru@mchandru-Aspire-E1-431:~$ sudo lshw
mchandru-aspire-e1-431
description: Notebook
product: Aspire E1-431 (Type1Sku0)
vendor: Acer
version: V1.26TD3
serial: NXM8VSI0013090643D7620
width: 64 bits
capabilities: smbios-2.7 dmi-2.7 vsyscall32
configuration: chassis=notebook family=Type1Family sku=Type1Sku0 uuid=12A88214-5326-4676-B2C5-089E018CBDB9
*-core
description: Motherboard
product: EA40_HC
vendor: Acer
physical id: 0
version: Type2 - Board Version
serial: NBM8V110013090643D7620
slot: Type2 - Board Chassis Location
*-firmware
description: BIOS
vendor: Insyde Corp.
physical id: 0
version: V1.26TD3
date: 02/21/2013
size: 128KiB
capacity: 4032KiB
capabilities: pci upgrade shadowing cdboot bootselect edd …