Re: Patch for Sandisk Wifi card
- From: "David R." <president@xxxxxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 29 Aug 2006 21:50:38 -0400
"Iain" <iain@xxxxxxxxxxxxxxxx> wrote in message
news:Xns97D868D8D9864newshomeprydecouk@xxxxxxxxxxxxxxxxx
Hi,
does anyone know how to get a Sandisk Wifi card with 256MB of memory to
work with Pocket PC 2003?
I can get the wifi to work but the memory isn't recognised. I know the
memory works as I have tried it on another IPAQ that was PPC2002.
Failing a patch does anyone know how I can reflash my IPAQ back to
PPC2002.
TIA
Iain
Sanddisk, Wifi with 256mb has always had multiple problems. Use in a Sprint
(audiovox) 6600, Rom 1.35.00 w/we, 01/13/05, IntelPXA263 400mhz.
PPC 2003, build 14132
Problems:
SD Memory is recognized 1 out of 25 card inserts
WiFi card is recognized 1 out of 50 card inserts
1 out of 200 WiFi card inserts results in a hardware reset on the PPC (which
is a real PIA when you are away from your sync workstation
for a 7 day stretch when it happens)
Anytime the PPC is powered off, the next insert of the WiFi will require a
PPC soft reset to recognize the WiFi card is present
Communication with Sandisk resulted in a curt, we are not making the
separate WiFi SD cards, have no plans to upgrade / bug fix the existing
ones. Request to SanDisk tech support for access to source code to allow me
to understand and tweak the code resulted in a curt, sorry, Sandisk
intellectual prop.
Investigation into the Reg settings
[HKEY_LOCAL_MACHINE\Drivers\SDCARD\SDBusDriver]
"ThreadPriority"=dword:0000000a
"PowerUpPollingInterval"=dword:00000008
"BusDriverHandle"=dword:00526e40
"Order"=dword:00000030
"RequestListDepth"=dword:000000c8
"PowerUpPollingTime"=dword:00000000
"Prefix"="SDC"
"Dll"="SDBusDriver.dll"
"SDIOSpecRevisionNumber"=dword:00000001
, their meanings and value settings have resulted in a dead end.
Trial and error have yielded:
a value of zero (0) in PowerUpPollingTime results in a reduced number of
hang conditions on WiFi card insert.
a reduced number (8) in PowerUpPollingInterval yields a greater number of
WiFi hotspot recognitions
Other values above have been tweaked all over the map but no better trend
was identified by changing their values.
I gave Socket driver a try, but had no luck getting the pegas drivers that
came with the SanDisk, completely uninstalled. I had no improvement in
socket driver but it could have been a conflict.
I have tap on one side of the SD card to increase the pressure of the
contacts
I had a friend with an Axiom plug the SD card in and his Axiom recognizes
the SD memory first time, every time.
.
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