MikroTik RouterBOARD 493G (RB493G)

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MikroTik RouterBOARD 493G
Homepage Product page
InfoDepot Wiki Mikrotik Routerboard RB-493G
3rd Party Firmware
dd-wrt Not Supported
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
BrandModelRev MikroTik RouterBOARD 493G
Model Part Number RB493G
Type single-board computer
CPU1 checkY Atheros AR7161
CPU1 Type MIPS 24K
CPU1 Speed 680 MHz 32-bit
Flash1 Chip ST Micro NAND01GW3B2CN6
Flash1 Size 128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
Flash2 Chip PMC Pm25LV512
Flash2 Size 64 KiB 0.0625 MiB <br />65,536 B <br />512 Kib <br />0.5 Mib <br />6.103516e-5 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 Samsung K4H510838G-LCCC x 4
ETH chip1 Atheros AR7161
Switch 1 Atheros AR8316
Switch 2 Atheros AR8316
Ethernet Port Count 1-1GbE-WAN
8-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

Ethernet OUI: 00:0C:42 (17 E, 9 W)

Stock bootloader RouterBOOT
Stock FW OS RouterOS
Expansion IF types Mini PCI, USB 2.0, microSD Card slot
Mini PCIe slots 3
USB ports 1
SD/MMC Slots 1
USB Hub Compatible Untested
PoE non-standard (otherwise unspecified)
Power 10-28 VDC, ? A
Connector type barrel
5.5 mm (OD)
2.1 mm (ID)
9.5 mm (LEN)
Serial Port (UART) yes, RS232, DE-9, 5V TTL, (115200 8N1)
JTAG Port yes

Additional chips
High Performance CPLD;Xilinx;XC9536XL;;1;
Multichannel RS-232 Line Driver;TI;MA3243C;;1;
Dual Operational Amplifier;Fairchild Semiconductor;LM258;;2;
8-bit Shift Registers w/ 3-state Output Registers;TI;SN74HC595;;1;
Synchronous Buck with Dual Linear Controllers;Richtek;RT9206;;1;
60V P-Channel MOSFET;Alpha & Omega Semiconductor;AO4441;;1;
40V N-Channel MOSFET;Alpha & Omega Semiconductor;AO4484;;2;
600V, 50A Glass Passivated Single-Phase Bridge Rectifier;Vishay;DF1506S;;2;,

Other

Default IP address: 192.168.88.1
the IP 192.168.88.1 is used by 46 additional devices
of which 45 are MikroTik devices
Default login user: admin
Default login password: blank
admin:blank credentials used by 379 additional devices
of which 37 are MikroTik devices

3rd Party Firmware Support OpenWrt • (List | Dev | DLs)
Retail
Availability End of Life
End of Life date 2019
(Est.) release date July 2012
ASINs B00FWPFGZC
B00DZ35V08
Country of manuf Latvia
 CPU1 brandFLA1RAM1
MikroTik RouterBOARD 493 (RB493)Atheros64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
MikroTik RouterBOARD 493AH (RB493AH)Atheros64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 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 />
MikroTik RouterBOARD 493G (RB493G)Atheros128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 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 />

For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.

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

Overview

Hardware specification

  • CPU: Atheros AR7161 @680MHz (MIPS 24K)
  • Storage: 64KB (SPI) Serial, 128MB (NAND) Flash,
TF card (max.64GB)/MMC card slot
  • Memory: 256MB (DDR) SDRAM
  • Network: 9x Gigabit Ethernet ports
  • USB: 1x USB 2.0 port
  • PCI: 3x MiniPCI slots
  • Power: 8-28V via barrel or passive PoE

Links of Interest

Flashing

Flashing OpenWrt

Target: ath79
Subtarget: mikrotik
Package architecture: mips_24kc
Supported Since Commit
Support started version: 12.09
Current supported version: 25.12.0
LAN Hardware: 2x Atheros AR8316
WLAN Comment: WLAN dependent on mPCIe installed
Installation method(s):
Mikrotik TFTP, see devicepage

Please insert instructions here

Pictures

Retail Images
User Images