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Emu48 communicaton on Win7



#4

I have Emu48 and a HP48 and have communicated between them for years using a USB-Serial cable. I recently got Win7 Home Premium 64bit and while Emu48 recognises the COM2 port it cannot communicate with the HP48 and simply times out after several retries. This occurs Emu48->HP48 and HP48->Emu48. However, Kermit 95 still communicates fine with the HP48 using the same port. I am using it as a work around.

Anyone have similar experience or had it work?

Any suggestions?

Thanks,
Matt


#5

Could not confirm. Just tested Emu48 v1.51 and v1.52beta1 on Win7 Ultimate x64 with SP1.

The HP48SX was connected over an onboard COM1 port. I made the data transfer over KERMIT in binary and ASCII mode of a UserRPL program in both directions. The receiver was always in Server mode and the transmitter used the SEND command.

It's sometimes reported here, that Win7 has problems updating the WP-34S using a USB-Serial converter with a Prolific chip?

Christoph


#6

Quote:
It's sometimes reported here, that Win7 has problems updating the WP-34S using a USB-Serial converter with a Prolific chip


-1

Since 4/5 years I use a couple of USB/RS232 converters using Prolific chipsets and they always performed flawlessly (WinXP, Win7, linux) in at least a dozen different computers (laptops, desktops, servers).


Oh, and they helped me update my WP-34S, too... ;)


Massimo


#7

What driver were you using for your Prolific USB to Serial cable? Maybe I have a driver problem (although Kermit 95 works through my cable to the HP48GX)


#8

I've read that Prolific chips were cloned so original drivers are able to discern them and are not working correctly with these clones. My adapters are quite old, I think they use original chips.
Anyway this is the driver version on my Win7 box: Prolific-USB-to-serial comm port 3.3.0.0 (20/12/2007)

#9

Just make a retry on the same computer, but this time with an older Prolific USB-Serial adapter at COM3.

Before I updated to the lastest driver package v1.5.0 from http://www.prolific.com.tw/eng/downloads.asp?id=31 with WDF WHQL Driver: v3.4.25.218.

Just worked successful like before.

Christoph


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