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Q: Genmac system requirements
- eComStation operating system
- JFS or HPFS filesystem
- SMP kernel
(for some reason GenMAC sometimes works with the SMP kernel but not the
Uni or Warp4 kernel!)
- SMP APIC mode is recommended (ACPI.PSD driver)
Q: How to run unsupported network adapters
Please read instructions -- /UNSUPPORTED.MODE\ page
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Q: How to disable Genmac temporary?
rem this line on CONFIG.SYS
DEVICE=x:\IBMCOM\MACS\GENM32W.OS2
Q: Connections is not stable
A: try this method:
discussion at os2world.com
Q: Atheros doesn't work
A: Change the value of extendedChanMode to 1
(windows .inf file)
Q: How to check MAC address?
Check the output of netstat -n
If you have physical address 00000000000000 for the ethernet card,
you need to manually specify the MAC address.
Q: How to increase power for Intel 3945?
A: Search for variables (windows .inf file):
there are 3 variables:
Diverable11a .. 11c, the value is 1, change to 0
Q: Does Genmac wrapper support WEP or WPA?
A: Yes, if the card supports it (old cards do not support)
Use XWLAN to setup the driver.
Q: GenMAC/XWLAN indicate no WiFi card is installed - the same as
with the W4 kernel.
A: Try install SMP kernel
Q: The adapter is recognized but doesn't work (properly) ?
A: try boot in SMP APIC mode (ACPI.PSD with /SMP /APIC switches)
=> genmac works better usually.
Q: Does Genmac support plain NetBIOS?
(2009/01): The latest Genmac drivers is able to handle both
NETBEUI and TCPBEUI, but plain NetBIOS needs much more testing.
(200812): NO, Thorolf
The latest Genmac drivers is able to handle both NETBEUI and TCPBEUI,
but plain NetBIOS needs much more testing.
what are your experiences with plain NetBIOS?
What is about stability, compatibility and performance?
In the past there was not a big need for plain NetBIOS, because mostly
everything relevant could be covered with NetBIOS over TCP/IP that comes
with OS/2.
Today the situation has changed: we have XP/Vista, MacOS X and Linux,
all of them are relevant and all of them are not compatible with the old
NetBIOS over TCP/IP anymore that OS/2 has build in.
One reason (at least for me) to use OS/2 as server and client was the
great network stuff, OS/2 comes with and in the past, the great
compatibility to the rest of the world.
But to get connected modern OSes with modern SMB-implementations I have
to use the Samba-Server for OS/2 on the WarpServer too, with the result
that I can't use NetBIOS over TCP/IP anymore to get OS/2 systems connected.
To solve this we have two options:
- using NetDrive with the Samba-plugin
- using plain NetBios parallel to the Samba-server
Using NetDrive is not an option to connect an OS/2 client to an OS/2
server because I loose the advantages I have with the OS/2 network.
But NetBIOS would work without these problems, it can be used parallel
to Samba, I have full compatibility for my OS/2 systems and
(theoreticly) a good performance!
During the weekend I made some tests with my ACP2r server (Intel-driver)
and some clients, ThinkPad X31 with eCS 1.2r (Intel-driver) and eCS
2.0rc6 (GenMAC), ThinkPad T40 with eCS 2.0rc6 (GenMAC), ThinkPad T60
with eCS 2.0rc1 (GenMAC) and eCS 2.0rc6 (GenMAC), Windows XP and MacOS X
10.4.
I removed NetBIOS over TCP/IP and installed Samba 1.0.0.2 on my
ACP2r-server, created some users and shares and made some tests with
3,3GB/951 files-data where everything from some bytes to 700 MBs was
included (the files for the TTC Aniversarry Edition).
The ACP2r-server, the T60 and the X31 are connected via Gigabit, while
the T40, Windows XP and MacOS X only have 100 MBit/s connections.
With NetBIOS over TCP/IP everything was fine for the OS/2 systems, I got
average transfer rates between 10 MB/s to 15 MB/s (in the past I even
had up to 25 MB/s, but this may be related to disk performance).
While eCS 1.2r with the Intel-driver on plain NetBIOS still had
acceptable transfer rates (7 MB/s to 9 MB/s), Windows XP, MacOS X (each
about 8 MB/s), and even NetDrive on my T60 to the Samba-Server (10 MB/s)
too, there where mostly a "no go" with plain NetBIOS on my systems that
use GenMAC.
My ThinkPad T60 with eCS 2.0rc1 made 0,5 MB/s to 1,5 MB/s, the X31 with
2.0rc6 3 MB/s to 4 MB/s and my T60 with eCS 2.0rc6 began with 10MB/s but
paused quite often during the transfer, the transfer rate had very big
variations and with the 700 MB-file he stopped the transfer with an
error that the network is not accessable anymore - during this time the
WarpServer even was NOT pingable anymore from an other system!
So depending on your experiences this might be an issue with GenMAC that
has to be fixed, but to identify that, more testing is needed!
(source: Thorolf Godawa)
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