Help me debrick Dell 2300 v2 ( same WRT54G v2 ) can't boot

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manhquyet90
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Joined: 28 Oct 2013
Posts: 26

PostPosted: Wed Dec 11, 2013 7:37    Post subject: Help me debrick Dell 2300 v2 ( same WRT54G v2 ) can't boot Reply with quote
I upgrade its RAM from 16Mb to 32Mb yesterday.
but it couldn't boot
I used JTAG cable and erase whole flash and reflash CFE but it still error :
Invalid boot block on disk

Code:
CFE version 1.0.37 for BCM947XX (32bit,SP,LE)
Build Date: Tue Nov 11 16:15:12 CST 2003 (liang@localhost.localdomain)
Copyright (C) 2000,2001,2002,2003 Broadcom Corporation.

Initializing Arena.
Initializing Devices.
et0: Broadcom BCM47xx 10/100 Mbps Ethernet Controller 3.50.21.0
CPU type 0x29007: 200MHz
Total memory: 0x2000000 bytes (32MB)

Total memory used by CFE:  0x8032B730 - 0x80430C30 (1070336)
Initialized Data:          0x8032B730 - 0x8032D880 (8528)
BSS Area:                  0x8032D880 - 0x8032EC30 (5040)
Local Heap:                0x8032EC30 - 0x8042EC30 (1048576)
Stack Area:                0x8042EC30 - 0x80430C30 (8192)
Text (code) segment:       0x80300000 - 0x80309400 (37888)
Boot area (physical):      0x00431000 - 0x00471000
Relocation Factor:         I:00000000 - D:00000000

Device eth0:  hwaddr 00-90-4B-60-00-2C, ipaddr 192.168.2.1, mask 255.255.255.0
        gateway not set, nameserver not set
Invalid boot block on disk
Reading ::

and when i push Ctrl + C ,i want to flash firmware from TFTP server but unsuccessful

Code:
CFE version 1.0.37 for BCM947XX (32bit,SP,LE)
Build Date: Tue Nov 11 16:15:12 CST 2003 (liang@localhost.localdomain)
Copyright (C) 2000,2001,2002,2003 Broadcom Corporation.

Initializing Arena.
Initializing Devices.
et0: Bradcom BCM47xx 10/100 Mbps Ethernet Controller 3.50.21.0
CPU type 0x29007: 200MHz
Total memory: 0x2000000 bytes (32MB)

Total memory used by CFE:  0x8032B730 - 0x80430C30 (1070336)
Initialized Data:          0x8032B730 - 0x8032D880 (8528)
BSS Area:                  0x8032D880 - 0x8032EC30 (5040)
Local Heap:                0x8032EC30 - 0x8042EC30 (1048576)
Stack Area:                0x8042EC30 - 0x80430C30 (8192)
Text (code) segment:       0x80300000 - 0x80309400 (37888)
Boot area (physical):      0x00431000 - 0x00471000
Relocation Factor:         I:00000000 - D:00000000

Device eth0:  hwaddr 00-90-4B-60-00-2C, ipaddr 192.168.2.1, mask 255.255.255.0
        gateway not set, nameserver not set
Automatic startup canceled via Ctrl-C
CFE> ^C

*** command status = -1
CFE> flash tftp 192.168.2.10 micro.bin
192.168.2.10: Device not found


Please help me !
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manhquyet90
DD-WRT Novice


Joined: 28 Oct 2013
Posts: 26

PostPosted: Wed Dec 11, 2013 7:55    Post subject: Reply with quote
it couldn't start tftp

Available commands: et, nvram, reboot, flash, autoboot, batch, go, boot, load, save, ping, arp, ifconfig, unsetenv, printenv, setenv, help
manhquyet90
DD-WRT Novice


Joined: 28 Oct 2013
Posts: 26

PostPosted: Wed Dec 11, 2013 9:40    Post subject: Reply with quote
i flash micro ddwrt as kernel and erase nvram :
Quote:
Code:
CFE version 1.0.37 for BCM947XX (32bit,SP,LE)
Build Date: Tue Nov 11 16:15:12 CST 2003 (liang@localhost.localdomain)
Copyright (C) 2000,2001,2002,2003 Broadcom Corporation.

Initializing Arena.
Initializing Devices.
et0: Broadcom BCM47xx 10/100 Mbps Ethernet Controller 3.50.21.0
CPU type 0x29007: 200MHz
Total memory: 0x2000000 bytes (32MB)

Total memory used by CFE:  0x8032B730 - 0x80430C30 (1070336)
Initialized Data:          0x8032B730 - 0x8032D880 (8528)
BSS Area:                  0x8032D880 - 0x8032EC30 (5040)
Local Heap:                0x8032EC30 - 0x8042EC30 (1048576)
Stack Area:                0x8042EC30 - 0x80430C30 (8192)
Text (code) segment:       0x80300000 - 0x80309400 (37888)
Boot area (physical):      0x00431000 - 0x00471000
Relocation Factor:         I:00000000 - D:00000000

Device eth0:  hwaddr 00-90-4B-60-00-2C, ipaddr 192.168.2.1, mask 255.255.255.0
        gateway not set, nameserver not set
Reading :: Failed.: Timeout occured
Loader:raw Filesys:raw Dev:flash0.os File: Options:(null)
Loading: .. 3072 bytes read
Entry at 0x80001000
Closing network.
Starting program at 0x80001000

it's freeze
manhquyet90
DD-WRT Novice


Joined: 28 Oct 2013
Posts: 26

PostPosted: Wed Dec 11, 2013 10:34    Post subject: Reply with quote
CFE version 1.0.37 for BCM947XX (32bit,SP,LE)
Build Date: Tue Nov 11 16:15:12 CST 2003 (liang@localhost.localdomain)
Copyright (C) 2000,2001,2002,2003 Broadcom Corporation.

Initializing Arena.
Initializing Devices.
et0: Broadcom BCM47xx 10/100 Mbps Ethernet Controller 3.50.21.0
CPU type 0x29007: 200MHz
Total memory: 0x2000000 bytes (32MB)

Total memory used by CFE: 0x8032B730 - 0x80430C30 (1070336)
Initialized Data: 0x8032B730 - 0x8032D880 (8528)
BSS Area: 0x8032D880 - 0x8032EC30 (5040)
Local Heap: 0x8032EC30 - 0x8042EC30 (1048576)
Stack Area: 0x8042EC30 - 0x80430C30 (8192)
Text (code) segment: 0x80300000 - 0x80309400 (37888)
Boot area (physical): 0x00431000 - 0x00471000
Relocation Factor: I:00000000 - D:00000000

Device eth0: hwaddr 00-90-4B-60-00-2C, ipaddr 192.168.2.1, mask 255.255.255.0
gateway not set, nameserver not set
Invalid boot block on disk
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
PANIC: out of memory!
Invalid switch: -noheader
CFE>
manhquyet90
DD-WRT Novice


Joined: 28 Oct 2013
Posts: 26

PostPosted: Thu Dec 12, 2013 11:11    Post subject: Reply with quote
help me
barryware
DD-WRT Guru


Joined: 26 Jan 2008
Posts: 13049
Location: Behind The Reset Button

PostPosted: Thu Dec 12, 2013 15:20    Post subject: Reply with quote
try:

cfe> flash -ctheader : flash1.trx

send the command at the cfe prompt, then immediately launch your tftp utility.

configure the tftp utility to send the firmware to 192.168.2.1 (based on the ifconfig seen in the cfe output)

Once you are back at the cfe prompt issue:

cfe> nvram erase

then power cycle the router.

if you post back with any other captures, include the command(s) you are using at the cfe prompt.

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