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Thread: WL-520GU RAM upgrade

  1. #1

    WL-520GU RAM upgrade

    Greetings, e'body...
    I'm new to this forum
    I have Asus WL520GU, and don't know if this is the right thread to talk about upgrading RAM on Asus WL520GU.
    Currently have experience with tomato, optware, and USB flashdisk/HDD on it.

    The Asus WL520GU has 4MB Flash, and 16MB of RAM.
    Is it possible to do 32MB RAM upgrade or 64MB to asus WL520GU?
    I see pin 36 (A12?) is disconnected by R66 which is not there.
    Is it simply replacing the memory with a 256Mbit or 512Mbit chip?
    What is the setting for the nvram sdram_init?

  2. #2

    WL-520GU RAM upgrade

    Hi,

    I'm planning to upgrade RAM in Asus WL-520GU router. There is only one memory chip (actually Samsung K4S281632I-UC60 8Mx16). If I use 32Mx16 SDRAM chip (ex. Samsung K4S511632D-UC75) will I get 64MB of RAM or only 32MB? A12 line (actually not connected) should be connected?

    kurkudor

  3. #3

    WL-520GU 64M

    WL-520GU 64M successful upgrade:

    WL-520GU CPU: BCM5354 RAM: SAMSUNG 825/SDRAM
    16MB: K4S281632I-UC60 128Mb (128/8=16MB), 16bit, 4Banks, TSOP(II), 6.0
    64MB: K4S511632D-UC75 512Mb (512/8=64MB), 16bit, 4Banks, TSOP(II), 7.5

    64MB
    K4S511632D-UC75
    K4S511632D-UC60
    HYB39S512160AT
    HY57V121620AT
    MT48LC64M8

    Code:
    nvram set sdram_init=0x0012
    nvram set sdram_ncdl=0x0000
    nvram commit
    reboot
    http://www.right.com.cn/forum/forum....read&tid=21013
    http://www.right.com.cn/forum/forum....read&tid=25605
    http://www.right.com.cn/forum/forum....read&tid=37392
    Last edited by Omega; 29-09-2012 at 17:13. Reason: fixed

  4. #4

    What's a good 128MB SDRAM for WL500g or WL-520GU?

    What's a good 128MB SDRAM for WL500g or WL-520GU?

    Thx, Ivan

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