D-Link DIR-620 rev C1

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D-Link DIR-620 S/C1

Country of manuf.: China

Type: wireless router

Power: 12 VDC, 1 A
Connector type: barrel

CPU1: Broadcom BCM5358UB0 (530 MHz)
FLA1: 8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br /> (Macronix MX25L6406EM2I-12G)
RAM1: 64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br /> (EtronTech EM6AB160TSD-5G)

Expansion IFs: USB 2.0
USB ports: 1
Serial: yes, internal, 4-pin header, unpopulated

WI1 chip1: Broadcom BCM5358UB0
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: none

ETH chip1: Broadcom BCM5358UB0
Switch: Broadcom BCM5358UB0
LAN speed: 100M
LAN ports: 4
WAN speed: 100M
WAN ports: 1

bgn

TPFirmware supported: Vampik (wl500g mod), FreshTomato • (List | DLs)

Default IP address: 192.168.0.1
the IP 192.168.0.1 is used by 785 additional devices
of which 220 are D-Link devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1327 additional devices
of which 75 are D-Link devices

802dot11 OUI: none specified

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

This device shares the same board as the D-Link DIR-615 rev K2,

but the USB portion is populated on this model.

This device is presumably sold mainly (only?) in Russia and Ukraine.

Support firmware by Vampik FW: DIR620C1-3.0.5-r5010M

Simple flash from web interface of D-Link stock firmware.

See also D-Link DIR-620..

Console dumps

$ cat /proc/mtd
dev:    size   erasesize  name
mtd0: 00020000 00010000 "boot"
mtd1: 007c0000 00010000 "Linux"
mtd2: 0068137c 00010000 "rootfs"
mtd3: 00010000 00010000 "rgdb"
mtd4: 00010000 00010000 "nvram"
mtd5: 00800000 00010000 "all"

after flash Oleg`s firmware 

root]$ cat /proc/mtd
dev:    size   erasesize  name
mtd0: 00020000 00010000 "boot"
mtd1: 007d0000 00010000 "linux"
mtd2: 006c6588 00010000 "rootfs"
mtd3: 00010000 00010000 "nvram"
mtd4: 00240000 00010000 "flashfs"

and cpuinfo 

root]$ cat /proc/cpuinfo
system type             : Broadcom BCM5357 chip rev 2 pkg 8
processor               : 0
cpu model               : MIPS 74K V4.9
BogoMIPS                : 264.19
wait instruction        : no
microsecond timers      : yes
tlb_entries             : 64
extra interrupt vector  : no
hardware watchpoint     : yes
ASEs implemented        : mips16 dsp
shadow register sets    : 1
VCED exceptions         : not available
VCEI exceptions         : not available

frequency 530Mhz 

$ nvram show | grep clkfreq
size: 17883 bytes (14885 left)
clkfreq=530,176,88

Images

  • External

  • Front

  • Back

  • Dual DIR-620 A1 and C1

  • DIR-620 A1 and C1 back

  • Internal

  • DIR-615 K2 board

  • board top, shield on

  • board top, shield off

  • CPU

  • RAM

  • Flash

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