内存为2g的，下载一个180m的镜像就提示这个了，怎么解决？
CPUIntel(R) Atom(TM) CPU D2550 @ 1.86GHz | 512 KB | 1862 MHz | ×4
硬盘ATA HYPERDISK SDOM 0702 (14.75GB)
内存2033MB
主板芯片：Intel Corporation Atom Processor D2xxx/N2xxx DRAM Controller (rev 04)
网卡：Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) (eth0 00:e0:66:fa:67:f5)
网卡：Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) (eth1 00:e0:66:fd:02:7d)