Finally solved the resolution mystery under ESX3i :-) and here is solution
and explanation.
The limitation is caused by the default resolution of ESX3i virtual machines
which is based on a 4MB buffer as Tobias already explained. The 4MB buffer
limits the resolution to 1180 x 885.
However, this can easily be changed by editing the VM configuration file
(the file with the .vmx extension).
- download the .vmx file of the VM to your local PC
- edit the .vmx file
- If the svga.vramSize... entry does not exist add it; if it exists change
the VGA entry to:
svga.vramSize = "16777216"
- upload the .vmx file to server
- reboot the VM
- Resolution is now up to a maximum of 2360 x 1770
After that change I was able to run an OTC at 1600x1200 and of course I got
the same resolution when I logged into an XP virtual machiche via remote
desktop.
I hope the instructions are clear otherwise let me know.
Cheers Marcello
discsox wrote:
>
>
> Tobias Abt wrote:
>>
>> Hello Marcello!
>>
>> discsox schrieb:
>>> Thank you very much for your advice and I apologize because I am really
>>> new
>>> to this...
>>> I had partial success by doing the following:
>>> - create a device "monitor" under "Devices" where I specify resolution
>>> and
>>> refresh rate (e.g. 1600x1200)
>>> - Add the monitor device to the VMware hardware type that specifies the
>>> graphics card and monitor
>>> - Assign the thinclient in question to the VMware hardware type
>>>
>>> Is this the correct way of doing this?
>>
>> Yes, this is correct.
>>
>> However, you could have assigned the monitor to the (virtual) ThinClient
>> instead of the hardware type so that only this one gets that resolution.
>>
>
> Thank you for the hint!
>
>> > This configuration has the strange effect that the desktop has a
>> resolution
>> > of 1152x768... which is still better that 800x600.
>> > Rdesktop ends up with a resolution of 1152x744 which is equivalent to
>> the
>> > client resolution minus the taskbar.
>> >
>> > It might be a limitation of running the client under VMware ESX3i.
>
>> Yes, ESX does have a size limit which seems to be 1180x885 Pixel
>> for Windows Clients, Linux is harder to test because it does not
>> dynamically resize under ESX but I expect it to be somewhere around
>> that limit, too.
>
> I just tested a Windows client under ESX3i and I could set the resolution
> up to 2360 x 1770.
> For some reason the OTC client is limited to 1152x768. At least this is
> what it ends up being after boot.
>
> Is there a way to increase the resolution via the command line or via a
> script after the OTC has booted?
> This might be a workaround...
>
>> With VMware Workstation and Server the limit is much higher, you
>> should be able to get 1920x1200 at least. The driver offers up to
>> 2360x1770.
>
>> This might be a result of the higher version of the virtual machines
>> used by those variants. I suspect that the older VM types only offer
>> a 4 MB frame buffer (1180 x 885 x 4 byte is a bit under 4 MB) while
>> the newer would indicate a 16 MB frame buffer.
>
> --
> Bye,
> Tobias Abt
>
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