MikroTik RouterBOARD 493G (RB493G)

multiple revisions of this device, use caution

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
Brand • Model • Rev	MikroTik RouterBOARD 493G
Model Part Number	RB493G
Type	single-board computer
CPU1 Y	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 (19 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 49 additional devices of which 48 are MikroTik devices Default login user: admin Default login password: blank admin:blank credentials used by 398 additional devices of which 40 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 brand FLA1 RAM1 MikroTik RouterBOARD 493 (RB493) Atheros 64 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) Atheros 64 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) Atheros 128 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

See also: MikroTik RouterBOARD 493 (RB493)

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

• On the DD-WRT Forum
• MikroTik RB493G on OpenWrt wiki

Flashing

Flashing OpenWrt

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

Target: ath79
Subtarget: mikrotik
Package architecture: mips_24kc
Supported Since Commit
Support started version: 12.09
Current supported version: 25.12.5

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

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User Images

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