HP41CL Serial Com Port Failure

[Neve]

Thank you Sylvain,

Here’s what I got, and it has been working just fine since 2017.

JAVA VERSION

java --version
java 9.0.1
Java(TM) SE Runtime Environment (build 9.0.1+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.1+11, mixed mode)

It has always worked until now.

Système Information

Hardware Overview:

Model Name: iMac
Model Identifier: iMac14,2
Processor Name: Quad-Core Intel Core i5
Processor Speed: 3,2 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 6 MB
Memory: 32 GB

System Software Overview:

System Version: macOS 10.15.7 (19H2026)
Kernel Version: Darwin 19.6.0

USB-Serial Controller D:

Product ID: 0x2303
Vendor ID: 0x067b (Prolific Technology, Inc.)
Version: 4.00
Speed: Up to 12 Mb/s
Manufacturer: Prolific Technology Inc.
Location ID: 0x14330000 / 19
Current Available (mA): 500
Current Required (mA): 100
Extra Operating Current (mA): 0