The Seagate BlackArmor NAS220 is a consumer NAS
with two internal drive bays. The stock OS runs
RAID 1 over the disks via mdadm.
Device specification:
- SoC: Marvell 88F6192 800 MHz
- RAM: 128 MB
- Flash: 32 MB
- 2 x internal SATA II drives
- Ethernet: 10/100/1000 Mbps (single port, no switch)
- WLAN: None
- LED: Power, Status, Sata Activity
- Key: Power, Reset
- Serial: 10 pin header, (115200,8,N,1), 3.3V TTL
9|x - x|10
7|x - x|8
5|x - GND|6
3|x - RX|4
1|TX - x|2
front of case
- USB ports: 2 x USB 2.0
Flash instruction:
NOTE: this process uses a serial connection. It will upgrade the
bootloader and reset the bootloader environment variables
TFTP server setup
- Setup PC with TFTP server set the PC IP to 10.4.50.5 as TFTP server
- Copy these files to TFTP server location
- u-boot.kwb
- seagate_blackarmor-nas220-initramfs-uImage
- seagate_blackarmor-nas220-squashfs-sysupgrade.bin
- seagate_blackarmor-nas220-squashfs-factory.bin
Seagate NAS setup
- Connect LAN cable between PC and seagate device
- Connect to serial to seagate device
Install u-boot
- Boot seagate device and stop in bootloader by pressing any key
- run 'printenv' from u-boot and save the values
- tftpboot 0x2000000 u-boot.kwb
- nand erase.part uboot
- nand write 0x2000000 0x0 ${filesize}
- reset
Update MAC address in u-boot env
- Stop in u-boot by pressing any key
- Get your MAC address from your saved printenv. Is also on chassis
- setenv ethaddr <your MAC>
- saveenv
Option 1 (recommended) - Install OpenWrt via initramfs and sysupgrade
- tftpboot 0x2000000 seagate_blackarmor-nas220-initramfs-uImage
- bootm 0x2000000
- *OpenWrt should be running now, however it is not written to flash yet*
- From the running instance of OpenWrt use Luci's "flash image" feature
from the web site or use sysupgrade from the console to write
seagate_blackarmor-nas220-squashfs-sysupgrade.bin to flash
Option 2 - Install OpenWrt by flashing factory image from u-boot
- nand erase.part ubi
- tftpboot 0x2000000 seagate_blackarmor-nas220-squashfs-factory.bin
- nand write 0x2000000 ubi ${filesize}
- reset
Signed-off-by: Kip Porterfield <kip.porterfield@gmail.com>
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