淘了个二手的路由器说是msr2600怎么升固件呀

System View: return to User View with Ctrl+Z. [H3C]dis ver H3C Comware Platform Software Comware Software, Version 5.20, Release 2514P14 Copyright (c) 2004-2015 Hangzhou H3C Tech. Co., Ltd. All rights reserved. H3C MSR26-00 uptime is 0 week, 0 day, 0 hour, 20 minutes Last reboot 2013/01/01 00:00:02 System returned to ROM By <Reboot> Command. CPU ID: 0x8 512M bytes DDR3 SDRAM Memory 2M bytes Flash Memory PCB Version: 2.0 Logic Version: 1.0 Basic BootROM Version: 5.10 Extended BootROM Version: 5.10 [SLOT 0]AUX (Hardware)2.0, (Driver)1.0, (CPLD)1.0 [SLOT 0]GE0/0 (Hardware)2.0, (Driver)1.0, (CPLD)1.0 [SLOT 0]GE0/1 (Hardware)2.0, (Driver)1.0, (CPLD)1.0 [SLOT 0]8GSW (Hardware)2.0, (Driver)1.0, (CPLD)1.0 [SLOT 0]CELLULAR0/0 (Hardware)2.0, (Driver)1.0, (CPLD)1.0   

以上是系统信息，怎么看内存只有2MB呀？？

 MSR26-00 c5能升到C7吗？