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a:\release.not 07-FEB-1997
Version 2.6
Release Notes for
Digital EtherWORKS TURBO PCI 10
and
Digital EtherWORKS TURBO PCI 10 TP
This file contains detailed technical information regarding known
anomalies. Use this file to help solve specific installation
issues.
CONTENTS: Driver Versions on this Distribution
Driver Diskette Changes Since Previous Release
Installation Troubleshooting
Notes on Configuring PCI Adapters
Installation of Windows NT
Installation of Novell Netware Server
Installation of Novell DOS ODI Client
Installation of the NDIS2 Driver
Installation of the SCO LLI Driver
Driver Release Notes
****************************************
* DRIVER VERSIONS ON THIS DISTRIBUTION *
****************************************
EZWORKS EZWORKS.EXE V2.22 01/15/97 2:35p 206,518 bytes
compressed file, automatically expands in memory when run,
memory needed is approx 375,000 bytes
EZWORKS
Diagnostics TLPDIAG.EXE V4.03 01/13/97 1:22p 46,297 bytes
compressed file, automatically expands in memory when run,
memory needed is approx 91,000 bytes
NDIS2/DOS DE450.DOS V1.13 05/17/96 1:13a 43,976 bytes
NDIS2/OS2 DE450.OS2 V1.13 05/17/96 1:13a 43,878 bytes
NetWare ODI
DOS Client DE450.COM V1.14 11/04/95 10:38p 52,068 bytes
OS/2 Client DE450.SYS V1.11 11/01/95 9:01a 30,576 bytes
Server DE450.LAN V3.01 07/02/96 1:18a 17,696 bytes
PathWORKS
Native DLL DLLDE450.EXE V5.0.157 08/14/96 4:20p 20,018 bytes
Packet Driver DE450.COM V1.04 09/10/96 8:25p 52,715 bytes
SCO MDI (dcxe) CUSTOM.DST V1.0.2 11/18/96 1:33p 75,776 bytes
SCO LLI (dcx) DEXXX_DD.Z V2.4.4 02/04/97 1:48p 73,503 bytes
WFW 3.11 DC21X4.386 V4.02 05/30/96 9:54a 55,385 bytes
Windows 95 DE450.SYS V1.10 12/06/96 1:02p 24,576 bytes
Windows NT
alpha DE450.SY_ V1.10 12/06/96 3:01p 22,235 bytes
intel DE450.SY_ V1.10 12/06/96 1:02p 13,763 bytes
mips DE450.SY_ V1.10 12/06/96 2:43p 22,508 bytes
ppc DE450.SY_ V1.10 12/06/96 3:57p 20,356 bytes
-------------------------------------------------------------------
Driver # adapters supported shared interrupts
------ -------------------- -----------------
EZWORKS 4 N/A
EZWORKS diagnostics 4 not supported
NDIS2 (DOS and OS/2) 4 not supported
NetWare DOS ODI client 4 not supported
NetWare OS/2 ODI client 16 supported
NetWare Server 8 supported
Pathworks Native DLL 1 not supported
SCO (LLI and MDI) 4 supported
WFW (NDIS3 driver) 4 supported
Win95 (NDIS3 driver) unlimited * supported
WinNT (NDIS3 driver) unlimited * supported
* unlimited by the driver, but may be limited by the operating
system - contact the OS vendor for more information
**************************************************
* DRIVER DISKETTE CHANGES SINCE PREVIOUS RELEASE *
**************************************************
V2.6 changes since V2.5
-----------------------
SCO MDI driver: changed driver prefix from dcx to dcxe. Removed
support for 100Mb (DE500 series) cards from driver. Systems
relying on the dcx driver to support both 10 and 10/100 cards
must use new 10 and new 10/100 driver at the same time. The
10/100 driver can be obtained from the DE500 driver diskette, or
electronically from the DE500 release sites (see readme.txt).
NetWare server NLM files updated to reflect newer releases from
Novell.
Updated SCO LLI driver to correct bug in fast systems.
Updated EZWORKS and diagnostics.
Remove Windows NT support for NT 3.50. Windows NT 3.51 and 4.0
are the only versions supported by this kit. Fixed driver bug that
could cause hang during driver initialization. Also changed
keywords to match the next release of DE500.
The installation file for Windows NT (oemsetnt.inf), was updated
to correct a bug during unattended installations (those relying
on using the file unattend.txt).
********************************
* INSTALLATION TROUBLESHOOTING *
********************************
Below is a list of frequently encountered installation problems and
their solutions.
* Network has poor performance.
- Check the latency timer value on the network adapter's
slot. If settable, this number should be above 32.
- If the poor performance is due to transmit underrun or
CRC errors, the problem may be due to the EtherWORKS
adapter not getting enough bandwidth to keep up with
outgoing or incoming packets. Move the EtherWORKS adapter
to a higher priority slot. Contact your system vendor to
determine the relative priority of slots in your system.
* System hangs when attempting to load driver when EMM386 is
used.
- This problem may be due to a bug in some versions of
EMM386 which cause the system to hang after Dword
accesses to I/O space. The problem occurs during Dword
I/O reads and writes to registers of the DC21x4 chip.
The EMM problem does not exist with EMM386.EXE (V4.49
and above) that is shipped with MS-DOS 6.22.
* System hangs when driver is loaded or during operation.
- The EtherWORKS PCI hardware supports interrupt sharing.
However, not all drivers support interrupt sharing.
Choose a unique interrupt if possible.
* Adapter is not recognized in a PCI/EISA system.
- When using in a PCI system with an EISA bus, ensure that
you run the EISA Configuration Utility (ECU) to enable
the PCI slot, enable bus mastering, and set the IRQ to
one of the supported values.
- DUAL Card Installations require you install ONE adapter
at a time. If two PCI adapter cards are installed before
the first is up and running you may get a network card
not found error when attempting to install the driver.
* Network does not start.
- The adapter must be inserted into a bus mastering PCI
slot. In some PCs, some PCI slots are not capable of bus
mastering. Check your system documentation.
- On certain revisions of Intel PCI chipsets, write back
cache causes problems with PCI devices. Disable write
back cache.
* Adapter is not properly reset by <Ctrl>+<Alt>+<Del> sequence.
- The <Ctrl>+<Alt>+<Del> key sequence does not do a
hardware reset on the PCI bus. If you require a hard
reset to any PCI device, ensure that you power cycle the
PC, or press the reset button.
*************************************
* NOTES ON CONFIGURING PCI ADAPTERS *
*************************************
PCI controllers are designed to be auto-configured through a system
PCI BIOS. Some systems include a system configuration utility
either built into the BIOS or run as a standalone utility. These
utilities may offer configuration options for PCI slots.
For those systems that include user-configurable options for PCI
slots, some of the options offered may include:
PCI Slot Enable/Disable
This option selects whether the PCI slot is enabled or
disabled. For the Digital PCI Adapters, the PCI slot must
be enabled.
Bus Master Enable/Disable
This option selects whether PCI Bus Mastering is enabled or
disabled for this PCI slot. Digital PCI adapters must be
installed in a Bus Mastering slot and must have Bus
Mastering enabled.
Interrupt Level (IRQ) Select
This option selects which interrupt level or IRQ value is
chosen for this PCI slot. Digital PCI adapters must have
an interrupt selected. Interrupt sharing is supported by
the NetWare 3/4 ODI Server Driver, SCO driver, and NDIS3
drivers (WinNT, Win95, WFW). Other drivers do not support
interrupt sharing.
Latency Timer Select
This option selects the Latency Timer setting for this PCI
slot. This value affects the amount of time that the
adapter may master the PCI bus per ownership. For most
configurations, the default Latency Timer value is
appropriate.
The following rules may prove useful in resolving PCI configuration
process problems:
- Install the Digital PCI Adapter in a Bus Mastering capable
PCI slot.
- If the system offers user-configurable PCI options, configure
the PCI slot as follows:
1. Enable the PCI slot.
2. Enable Bus Mastering.
3. Select a non-shared interrupt level.
4. Use the default Latency Timer value.
- If it is impossible to set a non-shared interrupt level, you
may select a shared interrupt for the NetWare 3/4 ODI Server
Driver, SCO driver, and NDIS3 drivers (WinNT, Win95, WFW).
Select an interrupt level that is shared with other
controllers that also support shared interrupts.
Note: Even though a driver for the Digital PCI adapter
supports shared interrupts it does NOT mean that other
controllers in the system support shared interrupts.
It is ALWAYS safer to select unique interrupt levels
for each device in the system.
- All of the drivers require either 64 bytes of memory mapped
or I/O mapped space for the adapter registers. The addresses
for these mappings should be automatically set by the PCI
BIOS after enabling the PCI slot and installing the Digital
PCI adapter.
******************************
* INSTALLATION OF WINDOWS NT *
******************************
* If Windows NT has poor performance, due to excessive transmit
underruns or CRC errors ...
- This problem may be due to the EtherWORKS adapter not
getting enough bandwidth to keep up with outgoing or
incoming packets. Move the EtherWORKS adapter to a
higher priority slot. Contact your system vendor to
determine the relative priority of slots in your system.
* If Windows NT will not boot with EISA SCSI controller ...
- If you are installing in a system with an on-board or
add-on Adaptec 1740 controller, save or note your EISA
configuration information *before* modifying any ECU
parameters.
After installing and configuring any EISA based module in
the system, ensure that the SCSI controller settings have
not changed. Windows NT "WILL NOT BOOT" if your SCSI
controller settings change from the default settings.
Windows NT requires the SCSI controller to have the same
settings as it had when when Windows NT was built, in
order to boot correctly.
If your system is unable to boot, verify your EISA
configuration settings for your SCSI controller. If your
system is unbootable and you do not know the original
settings, use your repair disk to fix your boot problem.
* If Windows NT will not boot after using REGISTRY EDITOR ...
- The Windows NT registry editor is used to modify the
Windows NT registry database. DO NOT MAKE CHANGES TO THE
REGISTRY unless you are absolutely sure of what you are
doing. You could render your machine UNBOOTABLE.
Registry values can be edited interactively through the
Registry winnt\system32\regedt32.EXE
*****************************************
* INSTALLATION OF NOVELL NETWARE SERVER *
*****************************************
This version of the driver corresponds to Novell's V3.3 ODI Server
Driver Hardware Specification and as a result will only be compati-
ble on NetWare 3.12, 4.10, 4.11 and later. This is a limitation of
the operating system, and not due to lack of driver support. Proper
operation will not be supported on any other versions of NetWare.
* If the network does not start on a 3.12 Novell Server ...
- Use MSM31X.NLM, NBI31X.NLM, and ETHERTSM.NLM with a date
stamp of 05-10-96 or later.
* If the NetWare 3.12 server exhibits bad performance ...
- A bug found in the Netware 3.12 Server manifests itself
in bad performance. According to Novell, the problem
occurs when packet signing is enabled and two packets
arrive at the server at the same time. One packet is
processed and the other is lost (along with its ECB).
A patch is contained in the file 312PT6.EXE, a self-
extracting ARJ archive that can be acquired through
Novell Technical Support (1-800-NET-WARE). The problem
is unique to Netware 3.12 and does not occur in any
version of Netware 4.
Among the files in the 312PT6 archive are LSTECBFX.NLM
and PM312.NLM. Extract these files and place them in the
server's startup directory (e.g. C:\SERVER.312). Then add
the following lines to the server's STARTUP.NCF file:
LOAD PM312
LOAD LSTECBFX
* If the server exhibits a Transmit Underrun problem ...
- The network adapter and driver are optimized for highest
throughput. Under certain traffic conditions, Transmit
Underruns may be caused by an older version of BIOS that
limits the bus operation to non-Burst mode. The
following procedure should be used:
a. Update your system's BIOS
b. Load the driver with the following keyword
TX_THRESHOLD=3
c. Move the EtherWORKS adapter to a higher priority
slot. Contact your system vendor to determine
the relative priority of slots in your system.
* If the driver description banner has Line Speed = 0 ...
- Check to make sure the appropriate cable is attached to
the port of the adapter.
* If the server displays the following message when loading
NBI.NLM or NBI31X.NLM:
"WARNING: This version of NetWare does not support protected
mode BIOS accesses. Without a loader patch, some PCI drivers
may fail."
- Go to Novell's Support page on the Web and pull down the
latest loader patch specific to the operating system you
are running. For example, if you saw the message on
NetWare v3.12, install 312PTx.EXE. If you run NetWare
v4.10, then install 410PTx.EXE.
*************************************************
* INSTALLATION OF NOVELL NETWARE DOS ODI CLIENT *
*************************************************
* If the client exhibits a Transmit Underrun problem ...
- The network adapter and driver are optimized for highest
throughput. Under certain traffic conditions, Transmit
Underruns may be caused by an older version of BIOS that
limits the bus operation to non-Burst mode. The
following procedure should be used:
a. Update your system's BIOS
b. Add the following line to net.cfg
TX THRESHOLD 3
************************************
* INSTALLATION OF THE NDIS2 DRIVER *
************************************
* If the error message "No NDIS Interrupt Activity" appears ...
- When using the driver in autosense mode with Digital
Pathworks on a quiet network, the following error may be
displayed by the Network Scheduler (sch.exe):
No NDIS Interrupt Activity. Maybe NI_IRQ set wrong
or cable not attached or hardware/DLL broken.
To fix this, find the line in the Pathworks startup file
(usually startnet.bat) which calls sch. Add the /N flag
to the end of the line.
**************************************
* INSTALLATION OF THE SCO LLI DRIVER *
**************************************
1. If the driver binds to the wrong PCI board (network) ...
- When multiple PCI boards are installed, the chains are
bound to the adapters in the order that the adapters are
found on the PCI bus by the PCI BIOS. Thus, dcx0 will
bind to the first adapter found by the PCI BIOS and
supported by DEXXX, dcx1 to the second, etc.
Removing or adding boards without changing the configur-
ation in netconfig can cause a shift in the order that
chains are bound. Also, mis-identifying the order in
which the adapters are found by the BIOS can cause wrong
bindings. This is especially true when using boards with
PCI-PCI bridges. The adapters on such boards are located
on a PCI bus with a number higher than 0 (bus #1, #2 etc)
and will be found by the PCI BIOS after all the devices
on bus zero. Currently, bus numbers higher than 0 are not
supported.
2. If the driver recognizes adapter at boot time, but there are
no network connections ...
- Check that the 'DC21X4 EISA/PCI Ethernet Adapter' driver
is not installed in the system. The DCXXX driver will
not work with the DC21X4 driver.
3. Attempting to FTP a large file (more than 4096 bytes) causes
the FTP process to hang after transferring 2920 bytes under
SCO 5.0 ...
- A kernel parameter needs tuning when running LLI drivers
under SCO 5.0. Get into the "System Administration"
folder under SCO DeskTop and double click on the
"Hardware/Kernel Manager" Icon. Select the "Tune
Parameters..." button and choose the STREAMS parameters
option (this can also be selected from the scrolled list
on the left side of the "Hardware/Kernel Manager" window).
Press ENTER to answer all questions except for the
parameter "STRMAXBLK". The default value will probably
be set to 524288. Change this to 4096. Relink the kernel
and reboot (follow Hardware/Kernel Manager instructions).
Note: Unless you have patches to get you to SCO 5.0.0d,
some X clients may break with the low STRMAXBLK value.
************************
* DRIVER RELEASE NOTES *
************************
* NetWare DOS ODI Client Driver
- This driver conforms to v4.0 of the Novell ODI
Specification:
16-Bit DOS Client HSMs dated August 1, 1994
(P/N: 107-000054-001)
- You may load the DOS driver in upper memory to free up
conventional memory in a system.
- A change in the DOS ODI specification requires that a
current version of LSL.COM be used with the NetWare DOS
ODI Client Driver. Use version 2.11 or later of LSL.COM
* NetWare 3/4 ODI Server Driver
- This driver conforms to v3.3 of the Novell Open Data-Link
Interface (ODI) specification.
* NDIS 2.01 DOS Driver
- You may load the DOS driver in upper memory to free up
conventional memory in a system.
***TRADEMARKS***
EtherWORKS, DEC, Digital, DECpc, PATHWORKS, and OpenVMS are
trademarks of Digital Equipment Corporation.
Intel is a registered trademark of Intel Corporation.
Microsoft, MS, and MS-DOS are registered trademarks and Windows,
Windows NT and Windows95 are trademarks of Microsoft Corporation.
MIPS is a trademark of MIPS Computer Systems, Incorporated.
Novell, NetWare, and LAN WorkPlace are registered trademarks and
NetWare Loadable Module, NLM, and NetWare SFT are trademarks
of Novell, Incorporated.
OS/2 is a registered trademark and PowerPC is a trademark of
International Business Machines Corporation.
OSF/1 is a trademark of Open Software Foundation, Incorporated.