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READINFO FILE FOR THE LOCAL AREA NETWORK SUPPORT PROGRAM, VERSION 1.35
About This File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
New Features and Functions . . . . . . . . . . . . . . . . . . . . . . . 2
LSP 1.35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
LSP 1.34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
LSP 1.33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Topics Described in This File . . . . . . . . . . . . . . . . . . . . . . 4
Accessing the User's Guide on Diskette . . . . . . . . . . . . . . . . . 5
Obtaining a Discount on QEMM-386 . . . . . . . . . . . . . . . . . . . . 6
DXMAID User Interface Changes . . . . . . . . . . . . . . . . . . . . . . 6
Migration from Previous Releases of LSP . . . . . . . . . . . . . . . . . 6
Specifying a Locally Administered Address with NDIS Adapters . . . . . . 7
DXMT0MOD.SYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Return Codes from DXMT0MOD That Start with Hex F . . . . . . . . . . . 7
CLOSE.ON.RESET Parameter . . . . . . . . . . . . . . . . . . . . . . . 8
CALL.FAR Parameter . . . . . . . . . . . . . . . . . . . . . . . . . . 8
DXMJ0MOD.SYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Message File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
DXMJ0MOD.SYS with DXME0MOD.SYS . . . . . . . . . . . . . . . . . . . . 8
Memory Managers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Credit Card Adapters . . . . . . . . . . . . . . . . . . . . . . . . . 9
386MAX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
QEMM-386 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
EMM386 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MINSAP and MINLINK Parameters for DXME0MOD, DXMCnMOD, and DXMGnMOD . . 11
Personal Communications/3270 Version 3.0 . . . . . . . . . . . . . . . 11
IBM Token-Ring Network 16/4 Adapter II (IBM16TR.DOS) With PC/3270 . . 11
IBM Token-Ring Network Adapter (IBMTOK.DOS) with PC/3270 . . . . . . 12
IBM TCP/IP for DOS . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Installation of TCP/IP with LSP . . . . . . . . . . . . . . . . . . . 12
Using TCP/IP with the Drivername Parameter in PROTOCOL.INI . . . . . 12
IBMTOK.DOS with TCP/IP . . . . . . . . . . . . . . . . . . . . . . . 12
IBM16TR.DOS with TCP/IP . . . . . . . . . . . . . . . . . . . . . . . 13
IBMTOK.DOS with Two Token-Ring Network Adapters . . . . . . . . . . . . 13
Calculating Memory Usage . . . . . . . . . . . . . . . . . . . . . . . 13
Work Area Calculation for DXMCnMOD.SYS . . . . . . . . . . . . . . . 13
Work Area Calculation for DXMT0MOD.SYS . . . . . . . . . . . . . . . 14
DXMA0MOD.SYS Command Line Parameter for Interrupt 0x5C Sharing . . . . 14
ABOUT THIS FILE
This file, which is an extension to the Local Area Network Support Program
Version 1.33 User's Guide, describes the enhancements included in the LAN
Support Program (LSP) Version 1.35 and lists the new functions that were made
available with Versions 1.33 (as found in the User's Guide) and with Version
1.34. Several additional topics, some of which were not included in the
User's Guide, are also found in this file and are listed in "Topics Described
in This File" on page 4.
(C) Copyright IBM Corp. 1993 1
For a summary of code fixes, please refer to FIXES.DAT.
NOTE: LSP 1.35 is PTF UR40349.
NEW FEATURES AND FUNCTIONS
LSP 1.35
LSP 1.35 includes CID support. Please see READCID.ccc (where ccc represents
the DOS country code) on your LSP Program diskette for more information.
LSP 1.35 also introduces a new command line parameter for DXMA0MOD.SYS to
control sharing of the 0x5C interrupt. See "DXMA0MOD.SYS Command Line
Parameter for Interrupt 0x5C Sharing" on page 14.
LSP 1.34
LSP 1.34 contains the following changes:
1. A configuration that includes both DXMJ0MOD.SYS and DXME0MOD.SYS is now
supported in some environments. See "DXMJ0MOD.SYS with DXME0MOD.SYS" on
page 8.
2. The LSP Installation Utility has been changed to support installation of
DXMJ0MOD.SYS with DXME0MOD.SYS. In addition, the LSP Installation
Utility user interface has been changed to improve usability. Please see
"DXMAID User Interface Changes" on page 6.
LSP 1.33
The following changes were introduced with LSP 1.33:
1. Support has been added for the following adapters:
o IBM LANStreamer(*) MC 32 Adapter
o IBM FDDI Fiber Base Adapter/A
o IBM FDDI Fiber Extender Adapter/A
o IBM FDDI Copper Base Adapter/A
o IBM FDDI Copper Extender Adapter/A
o IBM Token-Ring Network 16/4 Adapter II
o IBM Token-Ring 16/4 Credit Card Adapter
o IBM Credit Card Adapter for Ethernet
READINFO File for the Local Area Network Support Program, Version 1.35 2
o IBM LAN Adapter for Ethernet
o IBM LAN Adapter/A for Ethernet
o IBM 3278/3279 Emulation Adapter (with 3174 Peer Communication).(1)
o IBM 3270 Connection Card (with 3174 Peer Communication)(1)
2. Support of the multiple group address function has been added for IBM
FDDI Adapters, Ethernet adapters, and any other Network Driver Interface
Specification (NDIS) adapters that support multiple group addresses. Up
to 256 multiple group addresses can be set using the direct command
DIR.SET.MULT.GROUP.ADDRESS. Refer to your adapter documentation and the
LAN Technical Reference: IEEE 802.2 and NETBIOS Application Program
Interfaces, SC30-3587, for more information regarding multiple group
address support.
3. NDIS adapters can use the new protocol driver, DXMJ0MOD.SYS, to provide
the NETBIOS interface. The use of DXMJ0MOD.SYS may result in improved
performance as compared with the use of DXME0MOD.SYS and DXMT0MOD.SYS.
Please see "DXMJ0MOD.SYS with DXME0MOD.SYS" on page 8 if you need to use
NETBIOS with 802.2.
4. Parameters have been added to support special functions in several device
drivers. Please refer to "Parameters with Special Functions (W, N, CF,
MINSAP, MINLINK, X, and R/T)" in Chapter 5 of the User's Guide for more
information.
5. The IBM 3270 Connection Card and the IBM 3278/3279 Emulation Adapter are
supported for 3174 Peer Communication as NDIS adapters, using the NDIS
MAC driver IBMXLN.DOS. Support of these adapters using LSP requires the
following configuration:
o The adapter is installed in a workstation that is attached to a 3174
Establishment Controller using one of the IBM cabling systems.
o The controller is configured with 3174 Peer Communication.
Please refer to the 3174 Controller documentation for more information.
6. Support has been added for application programs running in Microsoft(**)
Windows(**) or with memory managers. Most of the LAN Support Program
files can be loaded into upper memory blocks to save low memory for other
uses. The LAN Support Program has been tested with Windows and memory
managers only under DOS 5.0 and DOS J5.0. Please refer to the User's
Guide for processor requirements.
7. When the device drivers DXMC0MOD.SYS and DXMG0MOD.SYS are used together,
both the PC Network Adapter and the Token-Ring Network Adapter can be set
---------------
(1) Adapters that have only 4 KB of RAM are not supported.
READINFO File for the Local Area Network Support Program, Version 1.35 3
up as primary in the computer hardware. This configuration was not
supported in earlier versions.
8. The Installation Aid does not disturb existing configuration information
for other protocol drivers in the PROTOCOL.INI file.
9. The Installation Aid preserves statements in CONFIG.SYS that load device
drivers and other programs into upper memory, such as DEVICEHIGH=.
TOPICS DESCRIBED IN THIS FILE
This file contains information about the following topics:
o Instructions for accessing the online copy of the User's Guide
o Obtaining a discount on Quarterdeck's QEMM-386(**) program
o Changes to the LSP Installation Aid, DXMAID.EXE
o Tips for migrating from previous versions of LSP
o Specifying a locally administered address when using NDIS adapters
o Using the NETBIOS driver, DXMT0MOD.SYS
o Using the NDIS NETBIOS protocol driver, DXMJ0MOD.SYS
o Using a DOS memory manager
o Using IBM Credit Card Adapters with a DOS memory manager
o Setting the MINSAP and MINLINK parameters with DXMCnMOD.SYS,
DXMGnMOD.SYS, or DXME0MOD.SYS.
o Using Personal Communications/3270 Version 3.0
o Using IBM TCP/IP for DOS
o Configuring IBMTOK.DOS with two adapters
o Calculating DOS memory usage for DXMCnMOD.sys and DXMT0MOD.SYS
o DXMA0MOD.SYS command line parameter for interrupt 5C sharing
Please check the Table of Contents to locate the topics of interest to you.
READINFO File for the Local Area Network Support Program, Version 1.35 4
ACCESSING THE USER'S GUIDE ON DISKETTE
An online copy of the Local Area Network Support Program (LSP) Version 1.33
User's Guide is provided to allow PTF customers access to the updates that
were made to the User's Guide from Version 1.3.
For your convenience, the following information is also included in the
READ.ME file located on the "Book" diskette.
The diskette labeled "Book" contains an online version of the Local Area
Network Support Program Version 1.33 User's Guide.
You need a video graphics adapter (VGA) display to display the online User's
Guide. If you have this equipment, you can insert the "Book" diskette in a
diskette drive, make the diskette drive the current drive, and type LSPBOOK.
Press ENTER after reading the BookManager copyright screen. Press ENTER to
select the User's Guide.
To access the online User's Guide faster and to have it always available, you
can copy the contents of the "Book" diskette to your hard drive. To make the
copy, make a subdirectory off the root named \READIBM (for this configuration
the subdirectory must be named \READIBM). Copy the files in the \READIBM
subdirectory on the diskette to the \READIBM subdirectory on the hard drive.
To access the online books from the hard drive, make the \READIBM directory
the current directory, then type LSPBOOK.
Please read the following information if you want to know more about the
contents of the "Book" diskette and how to use it.
The online User's Guide is in a BookManager format file (called a BOOK file).
The "Book" diskette contains two online books (which can be selected using
the up and down arrow keys):
o LAN Support Program Version 1.33 User's Guide
o READ/DOS and Library Reader/DOS: Displaying Online Books, which is an
instruction book that describes how to display the books.
The "Book" diskette also contains READIBM.EXE, the files that are needed to
run READIBM.EXE, and the batch file, LSPBOOK.BAT.
READIBM.EXE is the executable file that implements the IBM Library Reader/DOS
program, which is a program similar to the IBM BookManager READ/DOS licensed
program. Like READ/DOS, Library Reader/DOS lets you view and store online
books on a programmable workstation using DOS 3.3, 4.0, or 5.0. The
difference between READ/DOS and Library Reader/DOS is that Library Reader/DOS
will only display BOOK files that are specially formatted and identified as
IBM books (such as the User's Guide). Library Reader/DOS does not display
other BOOK files that were created using BookManager BUILD licensed programs.
The batch file, LSPBOOK.BAT, enables you to bring up Library Reader/DOS and
display the online books provided with the LAN Support Program.
If you would like a printed book about BookManager online books, see your IBM
representative to order BookManager READ/DOS General Information, GB35-0816.
READINFO File for the Local Area Network Support Program, Version 1.35 5
This small book describes how to display an online book in DOS using
BookManager READ/DOS. The command BOOKMGR rather than LSPBOOK is used to
start BookManager READ/DOS. However, once the program is activated,
displaying an online book in READ/DOS is the same as in Library Reader/DOS.
OBTAINING A DISCOUNT ON QEMM-386
If you would like information on how to obtain a discount on Quarterdeck's
Expanded Memory Manager-386(**) (QEMM-386), please refer to the COUPON.TXT
file on the "Install" diskette. This file also contains information about
QEMM-386 function, price, and how to order the product.
DXMAID USER INTERFACE CHANGES
The DXMAID user interface was changed to accommodate support for DXME0MOD.SYS
with DXMJ0MOD.SYS and to improve usability. Important changes include:
o Changes to the Setup (Environment Information) panel:
- This panel no longer asks whether the user is configuring for two
adapters.
- This panel no longer asks for the source drive and directory for the
backup copy of the LSP.
o Changes to the Configuration panel:
- This panel now shows information for both adapters on a single panel.
- A function key, F6, has been added to this panel. Press F6 to see
the drivers available and to add drivers to or remove drivers from
the configuration.
MIGRATION FROM PREVIOUS RELEASES OF LSP
If you are installing LSP 1.35 on a workstation with an existing NDIS LSP
configuration and you want to use a different target directory for LSP 1.35,
the following tip may be useful.
If the target directory for the existing NDIS LSP configuration contains an
IBM format NIF for the NDIS adapter, you can specify the existing LSP target
drive and directory as the "driver diskette" drive and directory.
o On the Setup panel, select YES as the answer to the question "Do you have
driver diskettes?"
o On the Process Driver Diskette panel, type the drive and directory of the
existing NDIS LSP configuration as the drive and directory for the driver
diskette. LSP Installation will use the NDIS MAC driver information from
the existing NDIS LSP configuration as if it were a driver diskette.
READINFO File for the Local Area Network Support Program, Version 1.35 6
SPECIFYING A LOCALLY ADMINISTERED ADDRESS WITH NDIS ADAPTERS
As described in Chapter 5 of the User's Guide, you can use a keyword
parameter in PROTOCOL.INI to configure the locally administered address for
DXMJ0MOD.SYS. You can do the same with DXME0MOD.SYS, instead of using the
addr0 and addr1 command line parameters. For most NDIS MAC drivers, the
keyword is NETADDRESS, and the parameter is NETADDRESS = "value" where
"value" is the desired value of the locally administered address in quotes.
NOTE: The NETADDRESS parameter value must be in double quotes (""). This is
a correction from page 5-39 of the User's Guide, which does not show the
quotes.
You should add this parameter to the MAC driver section of PROTOCOL.INI. You
can use the Installation Aid, DXMAID, to do this if you have an IBM format
NIF for your NDIS MAC driver, or you can do it manually. Please refer to the
User's Guide for more information.
Using this method to configure a locally administered address is recommended
if you are running with more than one NDIS protocol stack (for example, using
DXME0MOD.SYS with DXMJ0MOD.SYS). When specified in PROTOCOL.INI, the locally
administered address will be used regardless of which protocol stack opens
the adapter first.
DXMT0MOD.SYS
Several tips about using this driver follow.
RETURN CODES FROM DXMT0MOD THAT START WITH HEX F
This tip applies if you experience an Fn return code (where F represents
X'F' and n represents a hexadecimal digit from 6 to D) when using
DXMC0MOD.SYS and DXMT0MOD.SYS. If you get one of these return codes and you
are using the half-card-size IBM Token-Ring Network 16/4 Adapter/A, the
DXMC0MOD.SYS S parameter may resolve your problem. S is a global parameter
that must be added before any positional parameters and must be separated
from other parameters with blanks. For example, to add S to a DXMC0MOD.SYS
command line that has the R parameter and a locally administered address, the
command line is as follows:
DEVICE=\LSP\DXMC0MOD.SYS S R 400000001234
The S parameter disables optional code that may create problems in
environments where DXMC0MOD.SYS has to transmit an unusually high number of
frames.
READINFO File for the Local Area Network Support Program, Version 1.35 7
CLOSE.ON.RESET PARAMETER
If you code the STATIONS (ST) parameter, you do not always have to code the
CLOSE.ON.RESET=YES (CR=Y) parameter as is stated in the User's Guide. You
need to set CR=Y only if another application program opens the adapter before
DXMT0MOD.SYS is activated and then only if you want the DXMT0MOD.SYS
parameters to override those of the other driver by closing and then
reopening the adapter. Setting CR=Y ensures that this reset closes the
adapter and that the adapter will be opened with the DXMT0MOD.SYS parameter
values.
CALL.FAR PARAMETER
When using DOS memory managers, setting CALL.FAR=YES (CF=Y) will improve
performance by reducing the number of interrupts that have to be intercepted
by the memory managers.
When using Microsoft Windows, setting CALL.FAR=YES (CF=Y) eliminates the
possibility of getting a known Windows problem with DXMT0MOD.SYS.
DXMJ0MOD.SYS
Several tips about using this driver follow.
MESSAGE FILE
If you are using DXMJ0MOD.SYS and you do NOT use the Installation Aid
(DXMAID), you must be sure to use the message file from LSP 1.33, not a
message file from an earlier version. Copy the appropriate DXMMSG.ccc file
to DXM.MSG in the subdirectory that contains the LSP drivers. If you do not,
DXMJ0MOD.SYS will fail to load and your computer may hang.
DXMJ0MOD.SYS WITH DXME0MOD.SYS
In some configurations, you may need both the 802.2 and NETBIOS interfaces.
For example, you may use application programs that require the 802.2
interface, such as Personal Communications/3270, and also have some NETBIOS
applications. DXME0MOD.SYS provides the 802.2 interface. Either
DXMT0MOD.SYS or DXMJ0MOD.SYS can provide the NETBIOS interface.
You may want to use DXMJ0MOD.SYS because it usually performs better than
DXMT0MOD.SYS. DXME0MOD.SYS and DXMJ0MOD.SYS are supported only if the
following conditions are met:
o 80386 and higher microprocessors
o Both protocol stacks supporting only one adapter
NOTE: The memory requirements for DXME0MOD.SYS with DXMJ0MOD.SYS will be
considerably higher than for DXME0MOD.SYS with DXMT0MOD.SYS. You need to use
READINFO File for the Local Area Network Support Program, Version 1.35 8
DXME0MOD.SYS and DXMT0MOD.SYS if you have memory constraints or if your
configuration does not meet the conditions just described.
MEMORY MANAGERS
If you use a memory manager with any non-Micro Channel(*) adapters that have
shared RAM, memory mapped I/O, or ROM regions on the adapter, you will
probably cause address conflicts unless you exclude these memory regions from
the memory manager's use. For most memory managers, you can exclude a region
of memory by using a parameter -- "X=D000-D7FF", for example -- on the
memory-manager line in the CONFIG.SYS file. Add an additional parameter to
exclude each separate region.
For Micro Channel adapters, most memory managers will detect these regions by
reading the programmable option select (POS) registers. In these cases, you
do not have to exclude the memory. However, EMM386 shipped with DOS 5.0 or
Windows does not read the POS registers. For this memory manager, you must
manually exclude these regions for the Micro Channel adapters as well.
You cannot use a memory manager to load the LSP device drivers high in a
configuration containing an IBM FDDI Adapter. Also, as stated in the User's
Guide, the NDIS MAC driver for an IBM FDDI Adapter must be loaded low. The
FDDI device driver cannot be loaded high because it does not support virtual
addresses and does not convert them to physical addresses.
CREDIT CARD ADAPTERS
The IBM Token-Ring Credit Card Adapter defaults to 8 KB of memory mapped I/O
(MMIO) space and 16 KB of shared RAM space. You must exclude these areas on
the memory manager statement in CONFIG.SYS to avoid addressing conflicts.
Most memory managers use a parameter like "X=D000-D1FF" to exclude memory
regions. The default regions for the Token-Ring Credit Card Adapter are at
D000-D1FF and D800-DAFF.
386MAX detects the IBM Token-Ring Credit Card Adapter MMIO space, but it does
not detect the shared RAM space. Please refer to "386MAX" for information
about excluding shared RAM space.
386MAX
When using 386MAX with LSP, you need to be aware of the following
information:
o The directives to control memory available to 386MAX are contained in a
file named 386MAX.PRO in the 386MAX subdirectory. The directive to
exclude RAM is:
RAM=D000-D1FF
o Make sure that 386MAX puts PROTMAN.DOS, MAC drivers, and LSP drivers all
in the same group.
READINFO File for the Local Area Network Support Program, Version 1.35 9
Please read the README.DOC shipped with 386MAX for more information.
If you have a Token-Ring Adapter with the shared RAM size set to 64 KB,
386MAX will not be able to find a 64-KB area free in upper memory where it
can put the Expanded Memory Specification (EMS) page frame. If you don't run
MAXIMIZE as part of the INSTALL of 386MAX, your computer will probably hang
when you restart it or will give various error messages.
The best way to avoid the problem is to set the shared RAM size to 16 KB. If
you must keep the 64-KB RAM, you need to modify the 386MAX.PRO file by adding
this line to the 386MAX.PRO file found in the 386MAX subdirectory:
EMS=0
Modify the file after the INSTALL but before restarting the computer and
before running MAXIMIZE.
QEMM-386
If you have DOS LAN Requestor (DLR) installed in your computer and are
loading INITFSI.BAT in your AUTOEXEC.BAT file, QEMM's Optimize program will
give you a message that it is not able to update the file since it is read
only. You should ignore this message.
With DOS 5.0 and QEMM-386, a problem may arise with certain combinations of
device drivers loaded high when DOS is not loaded in the High Memory Area
(HMA). QEMM will give Error 13 during the optimize process when this problem
occurs. To prevent this problem, you need to have the line "DOS = HIGH" in
CONFIG.SYS.
NOTE: The High Memory Area (HMA), as defined by the Extended Memory
Specification (XMS), is the area from 1024 KB to 1088 KB, that is, the first
64 KB of extended memory. It is an important area because it is the only
extended memory that can be accessed directly by DOS programs.
EMM386
When it is asked to load a device driver whose size exceeds available memory,
EMM386 occasionally loses track of the location where it has loaded the
driver. If EMM386 has this problem, when you load LSP, you may see a message
such as:
Bad or missing \LSP\DXME0MOD.SYS
Error in CONFIG.SYS line nn
If these messages appear, the computer may also hang and have to be
restarted.
To work around this problem, load the driver specified in the CONFIG.SYS
error message low.
READINFO File for the Local Area Network Support Program, Version 1.35 10
MINSAP AND MINLINK PARAMETERS FOR DXME0MOD, DXMCNMOD, AND DXMGNMOD
NOTE: These parameters do not apply to DXMG2MOD.SYS.
The minimum SAPs (MINSAP) and minimum link stations (MINLINK) parameters can
be used to request a MINIMUM number of SAPs and link stations to be made
available when the adapter is opened. You may need to set these parameters
if you are running more than one application that uses the 802.2 interface,
because the application that opens the adapter first sets the MAXIMUM number
of SAPs and link stations that can be used. If the first application sets
the number of SAPs and link stations too low to provide for both
applications, the second application will fail.
For example, if you are using LAN Station Manager and Personal
Communications/3270 (PC/3270), you can code the MINSAP and MINLINK parameters
to allow the application program that opens the adapter first to set enough
SAPs and link stations to allow both applications to run.
If you are using DXMT0MOD.SYS, you can use the keywords EXTRA.SAPS (ES) and
EXTRA.STATIONS (EST) to specify the additional SAPs and link stations to be
made available when DXMT0MOD.SYS opens the adapter. Alternatively, you can
use the parameters MINSAP and MINLINK on the DXME0MOD.SYS, DXMCnMOD.SYS, or
DXMGnMOD.SYS command line to ensure that a minimum number of SAPs and link
stations are made available when DXMT0MOD.SYS opens the adapter.
If values are specified for ES and EST and also for MINSAP and MINLINK, the
larger numbers are used. For example, if ES is 1 and MINSAP is 3, 3 SAPs are
provided. If ES is 2 and MINSAP is 1, 3 SAPs are provided (1 SAP for NETBIOS
and 2 extra SAPs).
PERSONAL COMMUNICATIONS/3270 VERSION 3.0
IBM TOKEN-RING NETWORK 16/4 ADAPTER II (IBM16TR.DOS) WITH PC/3270
When using PC/3270 Version 3.0 with the IBM Token-Ring Network 16/4 Adapter
II (the NDIS MAC driver for which is IBM16TR.DOS), you may need to increase
the work space size of DXME0MOD.SYS. If you are unable to connect to the
host and "682" is displayed in the PC/3270 status line, increase the work
space size of DXME0MOD.SYS to 14. You can use the Installation Aid, DXMAID,
to do this or you can edit your CONFIG.SYS file manually.
For example, to increase the work space from the default of 8 to 14, edit
CONFIG.SYS as follows:
DEVICE=\LSP\DXME0MOD.SYS ,14
READINFO File for the Local Area Network Support Program, Version 1.35 11
IBM TOKEN-RING NETWORK ADAPTER (IBMTOK.DOS) WITH PC/3270
When using PC/3270 Version 3.0 with the IBM Token-Ring Network Adapter and
IBMTOK.DOS, you may need to change your configuration to get PC/3270 to work.
If you are unable to connect to the host and "682" is displayed in the
PC/3270 status line, try increasing the transmit buffer size supported by
IBMTOK.DOS. To do this, change (or add) the XMITBUFSIZE parameter for
IBMTOK.DOS in the PROTOCOL.INI file to 2080. To change this parameter, you
can use the Installation Aid, DXMAID, or you can edit your PROTOCOL.INI file
manually.
For example, to set the XMITBUFSIZE parameter to 2080, find the PROTOCOL.INI
section for IBMTOK.DOS, then change (or add) the line for XMITBUFSIZE as
follows:
XMITBUFSIZE = 2080
If IBMTOK.DOS fails to load after this change has been made, change the
XMITBUFSIZE parameter back to 2040 and reduce the PC/3270 PIU value to 2000
(please refer to the PC/3270 documentation for instructions on doing this).
IBM TCP/IP FOR DOS
INSTALLATION OF TCP/IP WITH LSP
Since the installation program for TCP/IP may remove LSP statements from
PROTOCOL.INI, install TCP/IP before installing LSP. The installation for LSP
will preserve TCP/IP statements in PROTOCOL.INI.
USING TCP/IP WITH THE DRIVERNAME PARAMETER IN PROTOCOL.INI
In some earlier versions of IBM TCP/IP for DOS, any word or combination of
letters could be used to identify the TCP/IP "Drivername =" parameter in the
PROTOCOL.INI file. Make sure that this parameter is not called DXME0$ or
NETBEUI$, or the Installation Aid (DXMAID) may remove these sections.
IBMTOK.DOS WITH TCP/IP
When using the Adapter Support Interface (ASI) of IBM TCP/IP for DOS with the
IBMTOK.DOS driver, you may need to change the value of the XMITBUFSIZE
parameter in the PROTOCOL.INI section for IBMTOK.DOS. If this parameter is
too low, the adapter may not open, in which case you will receive the
following message when you try to start TCP/IP:
asi: open failed: bad return code from asi
ifconfig: error: upping hardware tsr: unrecoverable hardware error
If you get this error, you can often solve the problem by increasing the
XMITBUFSIZE to 2080.
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IBM16TR.DOS WITH TCP/IP
When using the Adapter Support Interface (ASI) of IBM TCP/IP for DOS with the
IBM Token-Ring Network 16/4 Adapter II (the NDIS MAC driver for which is
IBM16TR.DOS), you need to increase the work space size of DXME0MOD.SYS to 12.
If you do not, you may receive the following error when you try to start
TCP/IP:
asi: open failed: bad return code from asi
ifconfig: error: upping hardware tsr: unrecoverable hardware error
To increase the work space, you can use the Installation Aid, DXMAID, or you
can edit your CONFIG.SYS file manually. For example, to increase the work
space from the default of 8 to 12, edit CONFIG.SYS as follows:
DEVICE=\LSP\DXME0MOD.SYS ,12
IBMTOK.DOS WITH TWO TOKEN-RING NETWORK ADAPTERS
To support two Token-Ring Network Adapters with IBMTOK.DOS, the PROTOCOL.INI
entry for the second adapter MUST contain the ALTERNATE keyword.
If you configure with the Installation Aid, DXMAID, and you specify 'Yes' to
the question "Use existing configuration?" you need to add the ALTERNATE
keyword to the second IBMTOK section in the PROTOCOL.INI file explicitly. To
add this keyword, press F5 from the Current Configuration panel to change
parameters, and then specify 'Yes' for the ALTERNATE parameter.
If you configure with the Installation Aid, DXMAID, and you specify 'No' to
the question "Use existing configuration?" the ALTERNATE keyword will be in
the second IBMTOK section in the PROTOCOL.INI file by default.
If you configure manually, please refer to the prototype PROTOCOL.INI shipped
on the LSP "Install" diskette for an example of how to specify this keyword.
CALCULATING MEMORY USAGE
The following two topics describe work area calculations for DXMCnMOD.SYs and
DXMT0MOD.SYS.
WORK AREA CALCULATION FOR DXMCNMOD.SYS
The default worksize value for DXMC0MOD.SYS is 4864 bytes and for
DXMC1MOD.SYS is 8976. This work area is used in support of the number of
SAPS and link stations with which the adapter is opened. If the worksize
calculated using the formulas below is larger than the worksize provided, the
adapter will fail to function. If you have this situation, see your network
administrator to determine the best solution for the problem.
To calculate the workstation memory space needed, use the following formulas:
READINFO File for the Local Area Network Support Program, Version 1.35 13
The number of SAPS(DLC_MAX_SAP) x 38=
The number of stations(DLC_MAX_STATIONS) x 18=
+ 74
Total workstation RAM needed in bytes
WORK AREA CALCULATION FOR DXMT0MOD.SYS
To calculate the memory size allocated by DXMT0MOD.SYS as work area, use the
following formulas. The memory used by DXMT0MOD.SYS can be altered by
changing the keyword values specified at load time.
NETBIOS work area = 4400
Each name(S=) defined at load time x 20=
Each link station(ST=) defined at load time x 50=
Each session(S=) defined at load time x 50=
Each NCB(C=) defined at load time x 100=
Each RND entry(RND=) defined at load time x 70=
Total workstation RAM needed in bytes
DXMA0MOD.SYS COMMAND LINE PARAMETER FOR INTERRUPT 0X5C SHARING
On some non-IBM workstations, the LSP interrupt arbitrator, DXMA0MOD.SYS,
cannot determine whether the 0x5C interrupt vector is being shared. If your
workstation is a non-IBM workstation and no other driver that uses the 0x5C
interrupt vector is loaded prior to DXMA0MOD.SYS (in CONFIG.SYS), then you
should specify the NC command line parameter on the DXMA0MOD.SYS command
line:
DEVICE=\LSP\DXMA0MOD.SYS NC
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