Buffalo LinkStation 220

multiple revisions of this device, use caution

Buffalo LinkStation 220
Homepage	Product page
Wikipedia	Buffalo Inc.
WikiDevi.wi-cat.ru	Buffalo LinkStation 220
3rd Party Firmware
dd-wrt	Incompatible
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Incompatible
Platform
Brand • Model • Rev	Buffalo LinkStation 220
Model Part Number	LS220DE
Type	NAS enclosure
Series	LinkStation
CPU1 Y	Marvell 88F6707
CPU1 Type	ARMv7 PJ4 Core
CPU1 Speed	800 MHz
Flash1 Chip	Macronix MX25L8006E
Flash1 Size	1 MiB 1,048,576 B <br />8,192 Kib <br />1,024 KiB <br />8 Mib <br />9.765625e-4 GiB <br />
RAM1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip	Nanya NT5CB128M16FP-DI
ETH chip1	Marvell 88F6707
ETH chip2	Marvell 88E1318
Ethernet Port Count	1-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
Ethernet OUI: 84:AF:EC
Stock bootloader	U-Boot
Stock FW OS	Linux
Expansion IF types	USB 2.0, SATA II
USB ports	1
SATA Ports	2
USB Hub Compatible	Untested
Power	12 VDC, 4 A
Connector type	barrel
Serial Port (UART)	yes, 4-pin header, unpopulated, CN4, 3.3V TTL, (115200 8N1)
Additional chips 2A, 18V, 800kHz Synchronous Step-Down Converter;RIchtek;RT7247CH;;1; 4A, 18V, 650kHz, Synchronous Step-Down Converter;Richtek:RT7234;;1;
Other
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Retail
Availability	End of Life
(Est.) release date	January 2014
UPC	747464128665 (UPC DB, On eBay)
Newegg	9SIA6ZP3KP5279
ASIN	B00NP7JUO2
Country of manuf	China
CPU1 brand FLA1 RAM1 Buffalo LinkStation IDT 4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br /> 64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br /> Buffalo LinkStation 220 Marvell 1 MiB1,048,576 B <br />8,192 Kib <br />1,024 KiB <br />8 Mib <br />9.765625e-4 GiB <br /> 256 MiB268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br /> Buffalo LinkStation LS421DE Marvell 512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br /> 512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br /> Buffalo LinkStation Live LS-CHL Marvell 0.25 MiB262,144 B <br />2,048 Kib <br />256 KiB <br />2 Mib <br />2.441406e-4 GiB <br /> 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />

For a list of all currently documented Marvell chipsets with specifications, see Marvell.

For a list of all currently documented Buffalo devices with specifications, see Buffalo.

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki

Target: mvebu
Subtarget: cortexa9
Package architecture: arm_cortex-a9_vfpv3-d16
Supported Since Commit
Support started version: 23.05.0
Current supported version: 24.10.5

WLAN Comment: No WLAN
Installation method(s):
Sysupgrade, U-Boot TFTP + serial recovery
Recovery method(s):
see devicepage

Flash instructions, from hard drive:

1. Get access to the "boot" partition at the hard drive where the stock

   firmware is installed. It can be done with acp-commander or by

   plugging the hard drive to a computer.

2. Backup the stock uImage:
   mv /boot/uImage.buffalo /boot/uImage.buffalo.bak
3. Move and rename the Openwrt initramfs image to the boot partition:
   mv openwrt-initramfs-kernel.bin /boot/uImage.buffalo
4. Power on the Linkstation with the hardrive inside. Now Openwrt will
   boot, but still not installed.
5. Connect via ssh to OpenWrt:
   ssh root@192.168.1.1
6. Rename boot files inside boot partition
   mount -t ext3 /dev/sda1 /mnt
   mv /mnt/uImage.buffalo /mnt/uImage.buffalo.openwrt.bak
   mv /mnt/initrd.buffalo /mnt/initrd.buffalo.bak
7. Format ubi partitions at the NAND flash ("kernel_ubi" and "ubi"):
   ubiformat /dev/mtd0 -y
   ubidetach -p /dev/mtd1
   ubiformat /dev/mtd1 -y
8. Flash the sysupgrade image:
   sysupgrade -n openwrt-squashfs-sysupgrade.bin
9. Wait until it finish, the device will reboot with OpenWrt installed
   on the NAND flash.

Restore the stock firmware:

1. Take the hard drive used for the installation and restore boot backup

   files to their original names:

   mount -t ext3 /dev/sda1 /mnt

   mv /mnt/uImage.buffalo.bak /mnt/uImage.buffalo

   mv /mnt/initrd.buffalo.bak /mnt/initrd.buffalo

2. Boot from the hard drive and perform a stock firmware update using
   the Buffalo utility. The NAND will be restored to the original
   state.