default or selected kernelversion does not have config value CONFIG_DE600.
Result is shown for kernelversion 6.2.5

D-Link DE600 pocket adapter support

modulename: de600.ko

configname: CONFIG_DE600

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet (10 or 100Mbit)
└─>Parallel port support
└─>D-Link DE600 pocket adapter support
In linux kernel since version 2.6.12  
This is a network (Ethernet) device which attaches to your parallel
port. Read Documentation/networking/DLINK.txt as well as the
Ethernet-HOWTO, available from
<>, if you want to use
this. It is possible to have several devices share a single parallel
port and it is safe to compile the corresponding drivers into the

To compile this driver as a module, choose M here: the module
will be called de600.

source code: