Buffalo WHR-G54S

OEM Gemtek WRTB-133G (WRTB-133G_V00) / WRTB-134G (WRTB-134G_V01A) / WRTB-153G (WRTB-153G_V01)

The default IP for the router is 192.168.11.1 operating as an AP and 192.168.11.100 operating as a bridge.

On ibmmuseum.com

On the OpenWrt wiki

The power adapter included with the device is a Buffalo US112-3320 (3.3V, 2A). ID/OD/Len measurements are approximate.

Specs
Platform Serial Num. = ? FCC ID = FDI-04600264-0 Industry Canada ID = 6102A-004 CPU Type = Broadcom BCM5352 MIPS Rev = R1 CPU Speed = 200 MHz Bus = ? Flash Type = ? Flash Chip = Macronix MX29LV320CBTC-90G Flash Size = 4 MB Max Firmware Size = ? RAM Size = 16 MB RAM Chip = EtronTech EM638165TS-6G x 2 nvram Size = ? ETH chip1 = Broadcom BCM5352 Switch = ? Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = 1-10/100-WAN 4-10/100-LAN Wired Standard = IEEE 802.3/3u Ethernet interface OUI = none specified boot_wait = ? bootloader = CFE Flash Card Socket/Type = ? SD/MMC Mod Support = ? Expansion IF types = ? PoE = ? Power = 3.3 VDC, 2 A Connector type/size = Barrel plug, 2.5 mm (ID), 5 mm (OD), 10 mm (LEN) LEDs/Color = ? Size = 5.7" x 5.1" x 1.1" USB = ? Serial Port = Yes JTAG Port = Yes Supported by TJTAG/Version = ? Supported by dd-wrt as of = v23 SP2 dd-wrt K2.4 Support = ? dd-wrt K2.6 Support = ? Supported by TomatoUSB as of = ? TomatoUSB K2.4 Support = Yes/NoUSB-Std (4MB flash) only TomatoUSB K2.6 Support = Yes/NoUSB-Std (4MB flash) only Special Features = ? Radio (wl0) Wireless Radio = Broadcom BCM2050 WLAN DSP processor = Broadcom BCM5352 Wireless interface OUI = 00:16:01 Antenna Connector Type = RP-SMA MIMO status = N/A Wireless Standard = IEEE 802.11b/g 802.11g = 6, 9, 12, 18, 24, 36, 48, 54 Mbps  802.11b = 1, 2, 5.5, 11 Mbps WiFi Operating Frequency = 2.412 GHz - 2.462 GHz Radio cor_rev = ? Radio Capabilities = ? Other Default IP address: 192.168.11.1 Default login user: root Default login password: blank Default SSID = ? OEM = ? 3rd Party Firmware Support = ?

Flashing DD-WRT

 * initial flash: use Tftp_flash

Pictures
WikiDevi Photos