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ZyXEL P-660HW-D1

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ZyXEL P-660HW -D1

Manuf/OEM/ODM MitraStar

FCC approval date: 14 June 2007
(Est.) release date: 2005
Country of manuf.: China

Type: wireless router, dsl modem


Power: 12 VAC ~ 50 Hz, 1 A
Connector type: barrel

CPU1: TI TNETD7200 (125 MHz)
FLA1: 2 MiB
2,097,152 B
16,384 Kib
2,048 KiB
16 Mib
0.00195 GiB
(Macronix MX29LV160CBTC-70G)
RAM1: 16 MiB
16,777,216 B
131,072 Kib
16,384 KiB
128 Mib
0.0156 GiB
(Winbond W9812G6GH-75)

Expansion IFs: none specified
JTAG: yes, JP3
Serial: yes, J1

WI1 module: ZyXEL G-663
WI1 module IF: Mini PCI (VLYNQ)
WI1 chip1: TI TNETW1350A
WI1 chip2: TI TNETW3422
WI1 802dot11 protocols: bg
WI1 antenna connector: RP-SMA

ETH chip1: TI TNETD7200
Switch: Infineon ADM6996I
LAN speed: 100M
LAN ports: 4


Stock bootloader: Bootbase v1.06

Stock FW OS: ZyNOS v3.40

Default login user: blank
Default login password: 1234
blank:1234 credentials used by 47 additional devices
of which 45 are ZyXEL devices

802dot11 OUI: none specified
Ethernet OUI: 00:02:CF

 CPU1 brandWI1 chip1 brandWI1 chip2 brand
ZyXEL P-660HW-61Texas InstrumentsTexas InstrumentsRadia
ZyXEL P-660HW-D1 v2Texas InstrumentsTexas InstrumentsTexas Instruments
For a list of all currently documented Texas Instruments chipsets with specifications, see Texas Instruments.

Wireless ADSL gateway

ZyXEL manuals and firmwares
CLI reference for ZyNOS and BootBase
  • "45-401-000503" is silkscreened on the board (Rev1).
  • "45-401-000681" is silkscreened on the board (Rev2).

There are (at least) two versions of the board:

  • Rev1: the WIFI module is connected to a mini-PCI slot, with TI chips.
  • Rev2: the WIFI module is integrated into the main PCB, with Infineon chips.

Note: The Infineon (Lantiq) PSB7200ZDW SoC is also known as TI AR7

TNETD7200GDU. Infineon (Lantiq) PSB1350A aka TI TNETW1350A.

The ZyXEL P-660HW-D1 was an ADSL2+ wireless router widely

distributed by some ISPs like Telefónica (white enclosure).

The PSU adapters used by the ZyXEL original (black enclosure) and

the one distributed by Telefónica (white enclosure) are different:
  • ZyXEL (black enclosure): 12V AC 1A
  • Telefónica (white enclosure): 16V AC 1A

If you wanted to use a PSU with lower voltages than the original,

then a modification at the circuit with the voltage comparator IC (AS/LM393) should
be done, otherwise the CPU will keep in a reset state avoiding too boot the system.
Desoldering the R177 resistor near the LM393 IC should work.

This way the R114 pullup resistor connected to the 74LV08 AND gate will (via another

AND gate) permanently pull the CPU and memory flash chip out of reset.

Boot log[edit]

Bootbase Version: V1.06 | 1/20/2006 9:44:11
RAM: Size = 16384 Kbytes
DRAM POST: Testing: 16384K

ZyNOS Version: V3.40(AGL.10) | 03/04/2013  14:53:06
Press any key to enter debug mode within 3 seconds.
          Version: P660HW-D1 ATU-R, start: b0084230
          Length: 47ED60, Checksum: D636
          Compressed Length: 107B0B, Checksum: DDE0

Copyright (c) 1994 - 2009 ZyXEL Communications Corp.

initialize ch = 0, ethernet address: 00:13:49:ef:05:44
initialize ch = 1, ethernet address: 00:13:49:ef:05:44
Wan Channel init ........ done
dsp load error0x00000000adslNdisInit: 10
Press ENTER to continue...