ASUS NAS-M25

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2-Bay Gigabit Network Storage Server
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Platform
BrandModelRev
ASUS NAS-M25
Board ID
8NAS205.3A1G
Type
NAS enclosure
CPU1
Marvell 88F6281
CPU1 Type
ARMv5
CPU1 Speed
1.2 GHz
Flash1 Chip
Samsung K9F1G08U0B-PCB0
Flash1 Size
128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Size
512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br />
RAM1 Chip
Samsung K4T1G084QE-HCF7 x 4
ETH chip1
Marvell 88F6281
ETH chip2
Marvell 88E1116R
Ethernet Port Count
1-1GbE-LAN
Wired Standard
IEEE 802.3i/3u/3ab

Ethernet OUI: 5C:33:8E (-, 4 W)

Stock bootloader
U-Boot 1.1.3
Stock FW OS
Linux 2.6.22.18
Expansion IF types
USB 2.0, SATA, PCIe x1
Mini PCIe slots
2
USB ports
3
SATA Ports
2
USB Hub Compatible
Untested
Power
12.5 VDC, 3 A
Serial Port (UART)
yes, 5-pin header
JTAG Port
yes, 10-pin header
Flags:
RTC w/ battery backup, fan

Additional chips
USB 2.0 Hub Controller;NEC;μPD720114;;1;
Network Transformer;Delta;LFE9203;;1;

Other
Manuf/OEM/ODM
Alpha Networks NAS-205
Retail
(Est.) release date February 2010
ASINs B004XFYGTO Flag of the United States.svg
B004XFYGTO Flag of the United Kingdom (1-2).svg
B004XFYGTO Flag of Germany.svg
Country of manuf China

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

For a list of all currently documented ASUS device with specifications, see ASUS.

Overview

Main board on the bottom side silkscreened with "8NAS205.3A1G" and "1016"
PCIe and SATA ports are on sub-board silkscreened with "8NAS205S.1A1G"

OEM: Alpha Networks NAS-205

Specifications

  • Marvell 1.2 GHz ARM CPU, RAM 512MB DDR2, 128MB Flash, 1x GbE LAN
  • 2x 3.5" HDD SATA I/II (up to 3TB, total 6TB), RAID 0/1/JBOD, 3x USB 2.0
  • PSU: Jentec Technology Co. Ltd. JTA0512; 100~240V 1.2А ÷ 12V/5V 3А
AC Input: 100~240 VAC, 1.2A, 50/60Hz; DC Output: 12V/3A, 5V/3A
  • Dimensions: 211 mm x 129 mm x 120 mm
  • Weight: 970 g
  • Powerful 1.2 GHz CPU and 512MB DDR2 Memory
  • 10 second system backup and super-fast recovery
  • Effortlessly manage and share huge files remotely
  • Home entertainment center with virtual DVD, UPnP
media and iTunes server

Links of Interest

Reviews

CPU: Marvell 88F6281 (88F6-B1A2, Kirkwood)
@1.2GHz Feroceon (Cache II 256Kb/400MHz)
OUI: 5C:33:8E (Alpha Networks)

JTAG-Serial Info

Serial

cpuinfo >> •
# cat version
Linux version 2.6.22.18 (root@mattlinux.alpha.com) 
(gcc version 4.2.1) #1 Mon Aug 16 12:10:49 CST 2010

# cat cpuinfo
Processor       : ARM926EJ-S rev 1 (v5l)
BogoMIPS        : 1196.03
Features        : swp half thumb fastmult edsp
CPU implementer : 0x56
CPU architecture: 5TE
CPU variant     : 0x2
CPU part        : 0x131
CPU revision    : 1
Cache type      : write-back
Cache clean     : cp15 c7 ops
Cache lockdown  : format C
Cache format    : Harvard
I size          : 16384
I assoc         : 4
I line length   : 32
I sets          : 128
D size          : 16384
D assoc         : 4
D line length   : 32
D sets          : 128
Hardware        : Feroceon-KW
Revision        : 0000
Serial          : 0000000000000000

# busybox
BusyBox v1.12.3 (2010-08-25 07:08:55 CST) multi-call binary

See also

List of NAS Devices
  • ASUS NAS-M25 - Dual NAS System (2x SATA II, 3TB HDD, 3x USB 2.0)
Marvell @1.2GHz CPU, 512MB RAM, GbE LAN, RAID, VMware support
Marvell ARMADA 385 CPU, 512MB RAM, GbE LAN, USB 3.0
Intel Celeron @1.6GHz Quad-Core CPU (Braswell), 2GB RAM, 1x GbE LAN
Intel Celeron @1.6GHz Quad-Core CPU (Braswell), 2GB RAM, 1x GbE LAN