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Netgear MP101

:!: This device contains only 2MB flash and is not supported by OpenWrt.


CPU Ram Flash Network USB Serial JTag
ARM946 16MB 2MB 802.11b 1x100MBit No Yes Yes


Architecture: ARM9
Vendor: Netgear
Bootloader: Netgear MP101-BLDR
System-On-Chip: Marvell 88W8500-BAN
CPU Speed: ? Mhz
Flash-Chip: AM29LV16008
Flash size: 2 MiB
RAM: 8 MiB
Wireless: Marvell 88W8000 802.11b (integrated)
Ethernet: in CPU
Serial: Yes
JTAG: Yes (Standard ARM 20 pin)


Opening the case

Note: This will void your warranty!

  • To remove the cover simply remove the 6 screws.


The serial connector is a 3.3V connector with GND, TxD, RxD, VCC. In order to use the serial connector, both jumpers next to port must be in the bottom position to detach the port from the Winbond controller and attach it to the connector.


The chip is supported by both OpenOCD and UrJtag.

OpenOCD config file:

telnet_port 4444
gdb_port 3333

interface <interface>

reset_config trst_only

jtag newtap mp101 cpu -irlen 4 -ircapture 1 -irmask 0x0f
target create 88w8500 arm9tdmi -chain-position mp101.cpu
flash bank cfi 0xffe00000 0x200000 2 2 88w8500

See port.jtag for more JTAG details.

Details of Major Integrated Circuits

"Libertas" LAN 802.11b Access Point Chipset

Marvell 88W8500-BAN (U10)
Marvell 88W8000-NNC (U1 - under metal shield)

Data sheet: not found – only sales material
News release from 2002 product announcement:

Compatible chips with same package: unknown

Flash Memory

AMD AM29LV160DB (U13)

2 MB, 90 ns, Package is 48-pin TSOP
Data sheet:

Comaptible chips from AMD in same package:
AM29LV320 4 MB
AM29LV641 8 MB


SI IC42S16400-7T (U11)

8 MB, 7 ns, package is 54-pin, arranged as 1M X 16 bit X 4 Banks
SI Semiconductors Co., LTD
Data sheet:

Compatible chip from SI in the same package:
IC425S16800 16 MB, arranged as 2M X 16 bit X 4 Banks

Note that U7 is vacant space on the board next to U11 with pads in the same pattern as U11

Stereo DAC with Headphone Driver

Wolfson Microelectronics WM8721 (U625)

Sampling rate 8kHz to 96 kHz
Data Sheet:

Note, support for similar WM8731 is in Linux kernel from 2.6.21

CPLD (programmable logic device)

Altera MAX EPM3128ATC100-10

MAX 3000A product series
Data sheet:

Async FIFO

IDT 72V01L35J (U628)

8-bit Microcontroller

Winbond 78LE51P-24 (in a socket)

Instruction set compatible with 8051
includes 4k Bytes rewritable program RAM, 128 bytes data RAM, ports, timers, interrupts, UART, address space is 64 kBytes
Data sheet:

More Info

OpenWRT forum: “Netgear MP101, redux”

Netgear firmware open source code, eCos

Home page for Bitsum wiki

Liberated Libertas User Guide on Bitsum wiki

Liberated Libertas on Asus WL-530G micro-router, which has same processor as MP101 and 4MB Flash


toh/netgear/mp101.txt · Last modified: 2018/03/31 23:22 by bobafetthotmail