D-Link DWL-G820 rev A1
D-Link DWL-G820 A1
Manuf (OEM/ODM): Alpha Networks WAP-G08
FCC approval date: 17 June 2004
Country of manuf.: China
Type: bridge
FCC ID: KA22004050007-1
Power: 5 VDC, 2 A
Connector type: barrel
CPU1: Atheros AR2313A (180 MHz)
FLA1: 4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br /> (Atmel AT49BV322A-70TI)
RAM1: 16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> (Hynix HY57V281620HCT-H)
Expansion IFs: none specified
JTAG: yes
Serial: yes, populated, 4-pin header, internal
WI1 chip1: Atheros AR2313A
WI1 chip2: Atheros AR2112A
WI1 802dot11 protocols: bg
WI1 antenna connector: RP-SMA
ETH chip1: Atheros AR2313A
ETH chip2: IC+ IP101A
LAN speed: 100M
LAN ports: 1
bg
Stock FW OS: VxWorks
Default IP address: 192.168.0.35
the IP 192.168.0.35 is used by 1 additional devices
of which 1 are D-Link devices
Default login user: admin
Default login password: blank
admin:blank credentials used by 355 additional devices
of which 180 are D-Link devices
| CPU1 brand | WI1 chip1 brand | WI1 chip2 brand | |
|---|---|---|---|
| D-Link DWL-G820 rev A1 | Atheros | Atheros | Atheros | 
| D-Link DWL-G820 rev B1 | Atheros | Atheros | Atheros | 
For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.
"8WAPG08..2A1" is silkscreened on the board.
Additional external links
Serial
Pinout
It seems to be a standard Alpha pinout..
JP2 (RxD) (3.3) (GND) (TxD)
Info derived from
Boot log
ar531x rev 0x00005850 firmware startup... SDRAM TEST...PASSED WAP-G02A Boot Procedure V1.0 --------------------------------------------------------- Start ..Boot.B12..Please check the ethernet cable on port 1 Atheros AR5001AP default version 3.0.0.43A 0 auto-booting... Attaching to TFFS... done. Loading /fl/APIMG1... Please wait, loading image ... image check ok!!! /fl/ - Volume is OK Using factory default settings. Please check the ethernet cable on port 1! Attaching interface lo0...done vxWorksTftpPackageInit: init. finish & success! wireless client starting...
Bootloader info
help
[Boot]: ?
 ?                     - print this list
 @                     - boot (load and go)
 p                     - print boot params
 c                     - change boot params
 e                     - print fatal exception
 v                     - print version
 B                     - change board data
 S                     - show board data
 n netif               - print network interface device address
 $dev(0,procnum)host:/file h=# e=# b=# g=# u=usr [pw=passwd] f=#
                           tn=targetname s=script o=other
 boot device: tffs=drive,removable     file name: /tffs0/vxWorks
 Boot flags:
   0x02  - load local system symbols
   0x04  - don't autoboot
   0x08  - quick autoboot (no countdown)
   0x20  - disable login security
   0x40  - use bootp to get boot parameters
   0x80  - use tftp to get boot image
   0x100 - use proxy arp
available boot devices:Enhanced Network Devices
 ae1 tffs
show board data
[Boot]: S name: Atheros AR5001AP default magic: 35333131 cksum: 1e74 rev: 4 major: 1 minor: 0 pciid: 0013 wlan0: no 00:11:95:be:c2:74 wlan1: yes 00:11:95:be:c2:74 enet0: no 00:11:95:be:c2:74 enet1: yes 00:11:95:be:c2:74 uart0: yes sysled: yes, gpio 7 factory: yes, gpio 6 serclk: internal cpufreq: calculated 180000000 Hz sysfreq: calculated 45000000 Hz memcap: disabled watchdg: enabled
print boot params
[Boot]: p boot device : tffs: unit number : 0 processor number : 0 file name : /fl/APIMG1 inet on ethernet (e) : 192.168.1.20:0xffffff00 flags (f) : 0x0 other (o) : a
version
[Boot]: v CPU: Atheros AR5001AP default BSP version: 3.0.0.43A Creation date: Feb 18 2004, 12:31:30
Probable PSU(s)
The power supply included with the US distributed units looks to be a JENTEC JTA0302A.
| JENTEC JTA0302A (more) | |||||
|---|---|---|---|---|---|
| Input: 100-120 VAC ~ 50-60 Hz, 0.5 A | |||||
|  Input connector: NEMA 1-15P Style: small, straight Manuf. in: China  | |||||
| Output: 5 VDC, 2 A | |||||
|  Output connector: barrel (center +) OD: ?? ID: ?? LEN: ??  | |||||