Output of file : TOKODI.DOC contained in archive : DOSUP8.ZIP

This TOKODI.DOC accompanies DOSUP8.EXE which includes DOS ODI
drivers for IBM Token-Ring and Lan Support NetWare Clients. The
following file(s) are included:

TOKEN COM 27381 4-12-93 6:27p
LANSUP COM 21943 2-02-93 11:54a
TOKODI DOC (this file) and have been enhanced to include 'Least
Significant Bit' first (LSB) node addresses per the 'IEEE canonical
form' when sending frames above the Data-Link layer. Previously, and drivers provided 'Most Significant Bit'
first (MSB) only when sending MAC header node address information
above the Data-Link layer. This LSB ability provides node ID
bit-reversal compatibility with IBM 8209 Bridges. Bit-reversals
take place on all source and destination node addresses
when 8209 bridges transfer frames from ethernet segments to
token-ring segments unless "IPX Support" has been enabled on the
8209. The 8209 will not bit-reverse IPX (E0E003/AAAA03/8137) node
addresses when "IPX Support" has been enabled. The new LSB feature
of and allow compatibility with the 8209
without "IPX Support" enabled. It is advised only to use the LSB
parameter on the Token- Ring segments with 8209 bit-reversal
enabled. (see paragraphs below on Bit-Reversals)

Additionally, these drivers provide full compatibility with the
latest IBM locally administered node address standard for
Token-Ring adapters. In the past, IBM recommended that locally
administered addresses for Token-Ring adapters fall within a range
between and including the following addresses:

4000 0000 0000 to 4000 7FFF FFFF (HEX)

IBM has expanded the range of recommended locally administered
addresses to the following:

4000 0000 0000 to 7FFF FFFF (HEX)

There are some restrictions that apply to the above changes. Some
devices and/or programs may only be able to use decimal addresses.

In this case, the following locally administered address range
would be appropriate:

4000 0000 0000 to 7999 9999 9999 (HEX)

It is recommended that 'NSSS FLASH N1005' be obtained from IBM for
all details pertaining to the above LAA changes and associated

********* USAGE **********
The following NET.CFG file demonstrates the enhanced abilities and
usage of and Please refer to the Novell
ODI shell for DOS manual (part #100-000871-001) for further
information on individual parameters. Additional information
regarding implementation of and is available
in DOSODIWS.DOC found in DOSUP8.EXE also available on NetWire.

Sample NET.CFG


BIND Token (or Lansup)
LINK DRIVER Token (or Lansup)
Node Address 444400002D43
Slot 2
Link Stations 2
Max Frame Size = 2168

*********** BIT-REVERSALS ********
Bit-reversals are necessary because of the difference between
ethernet adapters and token-ring adapters:

Ethernet adapters transmit data onto the wire by transmitting one
byte of data at a time in the following manner: Each byte of
data is bit-wise right-shifted one bit at a time onto the wire
until all 8 bits of the byte are transmitted onto the wire. The
next byte of data is then loaded into the transmit register and the
process repeats itself. The least significant bit, therefore, goes
onto the wire first with ethernet adapters.

Token-Ring adapters do the opposite. They take one byte of data
and do a bit-wise left-shift one bit at a time onto the wire until
all 8 bits of the byte are transmitted onto the wire. Another byte
of data is then loaded into the transmit register for transmission.

The most significant bit, therefore, goes onto the wire first.

Therefore, the byte 'AA (hex)' on an ethernet wire would appear as
the byte '55 (hex)' on a Token-Ring wire after being bit-reversed
by an IBM 8209 Ethernet to Token-Ring Bridge.

************* TOKODI MODIFICATION HISTORY **************

3-12-91: Initial release of TOKODIFT.ZIP beta drivers.

6-3-92: has been updated to allow frame sizes above
1K during RPL. A new "OPEN" parameter for the NET.CFG
has been added. This feature allows to open
the token-ring adapter and set the frame size. If
dxmt0mod.sys is also loading, one of two actions must be

performed: (1) set "o=n" on the dxmt0mod.sys command
argument line in the config.sys and use the "OPEN"
parameter for in the net.cfg. -or- (2) Set
"o=y" in dxmt0mod.sys command line allowing
dxmt0mod.sys to open the adapter and set the frame
size, and exclude's "OPEN" parameter from the


Use the following net.cfg syntax when using "OPEN":


9/14/92: has been updated to be compatible with
DXME0MOD.sys from IBM Lan Support program v1.30. has also been updated to work with
where DXME0MOD.SYS V1.30 is involved.

Files included in the previous revision: (Included in

LANSUP COM 21524 6-03-92 9:47a
TOKODIFT DOC (this file)

Files also in a previous revision:

TOKEN COM 23564 8-05-92 2:55p
LANSUP COM 21588 8-05-92 2:56p
TOKODI DOC (This File)

************* END OF MODIFICATION HISTORY *********************


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