D-Link DSL-2740B rev F1

bgn (N300)
ADSL2+ Modem with Wireless N300 Router
Wikipedia	D-Link
WikiDevi.wi-cat.ru	D-Link DSL-2740B rev F1
3rd Party Firmware
dd-wrt	Incompatible
OpenWrt	Partial Support
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	D-Link DSL-2740B F1
FCC ID	KA2SL2740BF1
Type	wireless router, dsl modem
CPU1	Broadcom BCM63281
CPU1 Type	BMIPS4350
CPU1 Speed	320 MHz
Flash1 Chip	Macronix MX25L6406EN1-12G
Flash1 Size	8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Size	64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
RAM1 Chip	Mira P3R12E4JFF-G8E
ETH chip1	Broadcom BCM63281
Switch	Broadcom BCM63281
Ethernet Port Count	4-100MbE-LAN
Wired Standard	IEEE 802.3i/3u
802dot11 OUI: none specified
Stock bootloader	CFE
Expansion IF types	none specified
Power	12 VDC, 1 A
Connector type	barrel
Serial Port (UART)	yes
JTAG Port	no
Flags: ADSL2+
Other
Manuf/OEM/ODM	Delta Networks
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Retail
Availability	End of Life
End of Life date	2014
FCC approval date	27 July 2011
Country of manuf	China
Radio 1
Chip1	Atheros AR9287
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	2x2:2
Wireless Standard	IEEE 802.11b/g/n
802.11n	up to 300 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz
FCC ID D-Link DSL-2750B rev B1 KA2SL2740BF1

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

For a list of all currently documented D-Link device with specifications, see D-Link.

• 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

"2976380401" and "A610A234006R_R6" is silkscreened on the board in the FCC photos.

This device appears to use Broadcom BCM63281.

Additional models of..

• DSL-2750B (Annex A, USB, 'dying gasp' feature)
• DSL-2740B (Annex A, no USB, without 'dying gasp')
• DSL-2740U (Annex A, no USB, without 'dying gasp')
• DSL-2741B (Annex B, USB, 'dying gasp' feature)
• DSL-2741U (Annex B, USB, 'dying gasp' feature)

"A610A234006R_R6" and "2976380401" is silkscreened on the board in the FCC photos.

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
OpenWrt Target: bcm63xx
OpenWrt Subtarget: generic
OpenWrt Package architecture: mips_mips32
Support started version: 12.09
Current supported version: 23.05.5
Unsupported Functions:
DSL modem

Please insert instructions here

See also

• D-Link DSL-2750U rev C1

Broadcom BCM63281/BCM43225

• D-Link DSL-2750B rev T1

Broadcom BCM63281/BCM43225

• D-Link DSL-2750B rev B1 (AW4339U)

Broadcom BCM63281/Atheros AR9287

• D-Link DSL-2740B rev F1

Broadcom BCM63281/Atheros AR9287

• D-Link DSL-2740R rev A1 • TrendChip/Ralink
• D-Link DSL-2740R rev B1 • TrendChip/Ralink
• D-Link DSL-2740B rev C2 • OpenWrt

Broadcom BCM6358/BCM4321, 4MB/32MB

Flash: Macronix MX29LV320CTTC-70G

D-Link DSL-2741B rev C2 • OpenWrt

• D-Link DSL-2740B rev C3 • OpenWrt

Broadcom BCM6358/BCM4321, 4MB/32MB

• D-Link DSL-2740B rev C4 • Teardown

Broadcom BCM6358SR/BCM4321/RTL8306G

Flash: Macronix MX29LV640ETTI-70G (8MB)

RAM: Mira P3S56D40ETP (32MB)

• D-Link DSL-2740B rev D1 • OpenWrt

CPU: Broadcom BCM6318 (333MHz) ADSL2+

Flash/RAM: 8MB/64MB, SW: 4x FE

WLAN: Broadcom BCM43217

• D-Link DSL-2740B rev E1 • OpenWrt • FW

Broadcom BCM6358/BCM4321, 16MB/32MB

• D-Link DSL-2740B rev R1 • Forum