[resolved] Wrt54gs v2 top56 flash and memory upgrade 64MB

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voip2014
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Joined: 20 Feb 2021
Posts: 38

PostPosted: Wed Mar 03, 2021 23:19    Post subject: [resolved] Wrt54gs v2 top56 flash and memory upgrade 64MB Reply with quote
Waiting on my 64MB ram chip to show up to try it its:

HY5DU121622DTP :TSOP-66 believe J variant is what I am trying

What I would like to know is is there a tsop 56 flash upgrade from intel that works on wrt54GS v2


Anyone tried flash upgrades I may end up with openwrt instead of ddwrt due to restrictions with current images in betas.


Last edited by voip2014 on Sun Apr 25, 2021 20:14; edited 1 time in total
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voip2014
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Joined: 20 Feb 2021
Posts: 38

PostPosted: Wed Mar 03, 2021 23:27    Post subject: Reply with quote
32MB original chip:

OPERATING FREQUENCY
Grade Clock Rate Remark
(CL-tRCD-tRP)
-D43 200MHz@CL3 DDR400B (3-3-3)
- J 133MHz@CL2 166MHz@CL2.5 DDR333 (2.5-3-3)
- K 133MHz@CL2 133MHz@CL2.5 DDR266A (2-3-3)
- H 100MHz@CL2 133MHz@CL2.5 DDR266B (2.5-3-3)
- L 100MHz@CL2 DDR200 (2-2-2)

64MB chip:

OPERATING FREQUENCY
Grade Clock Rate Remark
-D43 200MHz@CL3 DDR400B (3-3-3)
- J 133MHz@CL2 166MHz @CL2.5
& @CL3
DDR333 (2.5-3-3)
DDR333 (3-3-3)
- K 133MHz@CL2 133MHz@CL2.5 DDR266A (2-3-3)
- H 100MHz@CL2 133MHz@CL2.5 DDR266B (2.5-3-3)
- L 100MHz@CL2 DDR200 (2-2-2)

now just need to find a flash upgrade any ideas?
voip2014
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Joined: 20 Feb 2021
Posts: 38

PostPosted: Thu Mar 04, 2021 6:31    Post subject: Reply with quote
looks like someone did a wrt54gl with S29GL128P ( 128 sectors )

anyone tried this on a wrt54gs v2?

datasheet: https://datasheetspdf.com/pdf-file/986711/CypressSemiconductor/S29GL128P/1

Thin Small outline package 56
voip2014
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Joined: 20 Feb 2021
Posts: 38

PostPosted: Thu Mar 04, 2021 7:02    Post subject: Reply with quote
Also based on some research an intel based tsop 56 chip which similar datasheet to the original chip is here

28F128J3

https://www.digchip.com/datasheets/parts/datasheet/227/28F640J3-pdf.php

anyone tried these?
blkt
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Joined: 20 Jan 2019
Posts: 4015

PostPosted: Thu Mar 04, 2021 13:34    Post subject: Reply with quote
Wrt54gs v2 flash chipTE28F640J3C120 pad came off

Use forum or duckduckgo search 28F640J3 and the answer is yes, also search wrt54g ram upgrade.

Capacity is a different question. Additional pins are connected above 32MB, so maybe 64MB is max.

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1103740#1103250
voip2014
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PostPosted: Fri Mar 05, 2021 5:19    Post subject: Reply with quote
Thats great news thx
voip2014
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PostPosted: Sat Mar 13, 2021 9:28    Post subject: Reply with quote
Cant seem to get 64Meg chip working put back 32MB and its fine, also many pads stopped working so had to jumper going to wait for a new board to try this again.

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voip2014
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Joined: 20 Feb 2021
Posts: 38

PostPosted: Mon Mar 22, 2021 20:04    Post subject: Reply with quote
Does anyone have any nvram init commands for the 64MB chip?

HY5DU121622DTP _J got a new linksys wrt54gs v2 would like to give it a go again.

Will wait for someone to chime in, the current wrt54gs has a 32MB chip.

This is a new board without any mods.

Included datasheets on old and new attached
voip2014
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Joined: 20 Feb 2021
Posts: 38

PostPosted: Tue Mar 23, 2021 9:27    Post subject: Reply with quote
Looks like I may have answered this myself waiting for the chips to show up will report back the init appears to be







sdram_config=0x0063

sdram_ncdl=0

sdram_init=0x0113
voip2014
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Joined: 20 Feb 2021
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PostPosted: Sun Apr 25, 2021 20:12    Post subject: Reply with quote
resolved but ddwrt cannot be used unless you recompile so I ended up having to use openwrt for full 64MB

Router Model Linksys WRT54G/GS/GL
Firmware Version OpenWrt Backfire 10.03.1 / LuCI 0.10.0 Release (0.10.0)
Kernel Version 2.4.37.9
Local Time Thu Sep 8 16:14:08 2011
Uptime 0h 5m 24s
Load Average 1.05, 0.71, 0.31
Memory
Total Available
55480 kB / 62940 kB (88%)
Free
49208 kB / 62940 kB (78%)
Cached
4860 kB / 62940 kB (7%)
Buffered



root@OpenWrt:~# cat /proc/cpuinfo
system type : Broadcom BCM4712 chip rev 2
processor : 0
cpu model : BCM3302 V0.7
BogoMIPS : 212.17
wait instruction : no
microsecond timers : yes
tlb_entries : 32
extra interrupt vector : no
hardware watchpoint : no
VCED exceptions : not available
VCEI exceptions : not available
root@OpenWrt:~# free
total used free shared buffers
Mem: 62940 13688 49252 0 1412
Swap: 0 0 0
Total: 62940 13688 49252
root@OpenWrt:~#


Router has a bogomips of 212! surprisingly even 14+ years later this router can still keep up and is comparative performance to the dir-615 E3( much newer) with a higher clock 400Mhz but bogomips of 297, so this wrt54gs router is VERY usable still in 2021!

You can sysupgrade this to latest but left it on the older kernel its just faster.

Good luck!
kelleci
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Joined: 28 Jan 2011
Posts: 13

PostPosted: Sun Feb 13, 2022 19:32    Post subject: Reply with quote
voip2014 wrote:
resolved but ddwrt cannot be used unless you recompile so I ended up having to use openwrt for full 64MB

Router Model Linksys WRT54G/GS/GL
Firmware Version OpenWrt Backfire 10.03.1 / LuCI 0.10.0 Release (0.10.0)
Kernel Version 2.4.37.9
Local Time Thu Sep 8 16:14:08 2011
Uptime 0h 5m 24s
Load Average 1.05, 0.71, 0.31
Memory
Total Available
55480 kB / 62940 kB (88%)
Free
49208 kB / 62940 kB (78%)
Cached
4860 kB / 62940 kB (7%)
Buffered



root@OpenWrt:~# cat /proc/cpuinfo
system type : Broadcom BCM4712 chip rev 2
processor : 0
cpu model : BCM3302 V0.7
BogoMIPS : 212.17
wait instruction : no
microsecond timers : yes
tlb_entries : 32
extra interrupt vector : no
hardware watchpoint : no
VCED exceptions : not available
VCEI exceptions : not available
root@OpenWrt:~# free
total used free shared buffers
Mem: 62940 13688 49252 0 1412
Swap: 0 0 0
Total: 62940 13688 49252
root@OpenWrt:~#


Router has a bogomips of 212! surprisingly even 14+ years later this router can still keep up and is comparative performance to the dir-615 E3( much newer) with a higher clock 400Mhz but bogomips of 297, so this wrt54gs router is VERY usable still in 2021!

You can sysupgrade this to latest but left it on the older kernel its just faster.

Good luck!



Hi,

I have similiar issue about 64 mb ram nvram variables.I have tried

sdram_config=0x0063

sdram_ncdl=0

sdram_init=0x0113

on my WRT54GS v1.0 and it soft bricked it Very Happy I have restored nvram via TJTAG it works now as before but cannot init full 64 mb.Are there any other nvram variables?
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