DC21X4 miniport driver for Windows 95 [tm]
Version v5.02
05-Apr-1999
1. Copyright Notice:
First Edition, April 1994
Updated, December 1994
Updated, February 1996
Updated, April 1996
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** I N T E L P R O P R I E T A R Y **
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** COPYRIGHT (c) 1998 BY INTEL CORPORATION. ALL RIGHTS **
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** THE PRIOR WRITTEN PERMISSION OF : **
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** INTEL CORPORATION **
** **
** 2200 MISSION COLLEGE BLVD **
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** SANTA CLARA, CALIFORNIA 95052-8119 **
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**************************************************************************
Copyright (c) 1998 Intel Corporation
Do not redistribute the driver files.
Windows, Windows NT and Windows 95 are trademarks of
Microsoft Corporation.
Microsoft, MS, MS-DOS are registered trademarks of
Microsoft Corporation.
All other trademarks and registered trademarks are the
property of their respective holders.
2. Overview:
This file explains how to install the Windows 95 driver
The driver is currently supported for motherboards and option
boards based on the Intel 2104x/2114x 10/100 mbps
Ethernet Controller.
3. Requirements:
A. Hardware Requirements:
80386 or higher microprocessor based computer
with an EISA or PCI bus.
Intel 2104x/2114x 10/100 mbps Ethernet Controller
B. Software Revision Requirements:
Windows 95 Final Beta Release or later
4. Files and directories:
---------------------------------------------------------------------
INSTALL.DOC This file.
---------------------------------------------------
DC21X4.SYS The miniport driver.
---------------------------------------------------
!DEC4250.CFG The configuration file used by the DE425 Ethernet
board EISA configuration utility (ECU)
---------------------------------------------------
NETPCI.INF The driver's setup file
---------------------------------------------------
NDIS.VXD Updated Ndis wrapper
---------------------------------------------------------------------
5. Installing the Hardware Boards:
A. Installing the Intel's 2104x/2114x Evaluation Boards:
Refer to the Intel 2104x/2114x Evaluation Board
User's Guide.
B. Installing the DEC's 21040 EISA Adapter Card (DE425):
1. Plug the board in an EISA slot
2. Run the EISA System Configuration Utility
(ECU)
3. In the EISA System Configuration,
select the [Configure computer] option
4. Insert a floppy with the DE425 EISA configuration
file !DEC4250.CFG
5. In the main menu, select the [Save and exit] option
to complete the initialization.
The options for the DE425 in the !DEC4250.CFG file are:
1. For interrupt:
o Edge-Triggered Interrupt (default)
o Level-Triggered Interrupt (no sharing)
o Level-Triggered Interrupt (sharing)
2. Supported interrupt numbers are:
o 5
o 9
o 10
o 11
3. For cable types:
o AutoSense/AutoDetection (default)
o 10BaseT (TP)
o 10BaseT (TP) - Full Duplex
o 10BaseT (TP) - No Link Test
o 10Base2 (BNC)
o 10Base5 (AUI)
6. Installing the Driver on Windows 95:
The DC21X4 based adapters are autodetected by Windows95.
To install the driver follow the menu driven
driver's installation.
7. Parameters
To overwrite the initial values set by the EISA Configuration
Utility (ECU) or overwrite the driver's default values,
add or edit the following values in the Registry
Parameters subtree:
ConnectionType:
------------------------------------------------------------------------
Intel 21040 based Ethernet Controller
-------------------------------------------------------------------------
o AutoDetect In AutoDetect mode the driver
checks first the Twisted Pair port.
If the Link Test fails the driver
checks the BNC port. If no carrier is
detected the driver switches to the AUI
port.
o 10BaseT (TP)
o 10BaseT (TP) Full Duplex To connect to Full Duplex hubs
o 10BaseT (TP) No_Link_Test To connect hubs not supporting
the Link Integrity Test
o 10Base2 (BNC) BNC connector
o 10Base5 (AUI) 15_pin connector
------------------------------------------------------------------------
Intel 21041 based Ethernet Controller
-------------------------------------------------------------------------
o AutoSense Senses dynamically the media ports
supported by the adapter. The precedence
is TP,BNC and AUI.
o 10BaseT (TP)
o 10BaseT (TP) Full Duplex To connect to Full Duplex hubs
o 10BaseT (TP) No_Link_Test To connect hubs not supporting
the Link Integrity Test
o 10Base2 (BNC) BNC connector
o 10Base5 (AUI) 15_pin connector
------------------------------------------------------------------------
Intel 2114x based 10/100 mbps Ethernet Controller
-------------------------------------------------------------------------
o AutoSense Senses dynamically the media ports
o 10BaseT (TP) To connect 10BaseT Ethernet hubs
o 10BaseT (TP) Full Duplex To connect 10BaseT Full Duplex hubs
o 10Base2 (BNC) BNC connector
o 10Base5 (AUI) 15_pin connector
o 100BaseTx (TP 100) To connect 100BaseTx Ethernet hubs
o 100BaseTx (TP 100) FDx To connect 100BaseTx Full Duplex hubs
o 100BaseT4 To connect 100BaseT4 Ethernet hubs
o 100BaseFx To connect 100BaseFx Ethernet hubs
CacheLineSize = { 32 | 64 | 128 }
32 bytes (default)
64 bytes
128 bytes
InterruptMitigation = {Enabled | Disabled} (21140,21143/2)
Enable/disable the Interrupt Mitigation
algorithm.
InterruptThreshold = {number_of_interrupt/second} (default: 500)
Maximum number of interrupt/second allowed before
the Receive and Transmit interrupts get masked.
Meaningfull only when InterruptMitigation is enabled.
FrameThreshold = {number_of_frame/second} (default: 400)
Minimum number of processed frame/second allowed
before the Receive and Transmit interrupts get
unmasked.
Meaningfull only when InterruptMitigation is enabled.
MapRegisters = {4,8,16,32,64}
Number of map registers allocated
by the adapter.
EXT_MRM = { Disabled | Enabled } (21142,21143 only)
Enable/disable PCI Memory Read Multiple command.
MRM should be enabled when the DC21X4 is connected
to the TI1130 PCI/CardBus bridge.
The default is Enabled.
EXT_MRL = { Disabled | Enabled } (21142,21143 only)
Enable/disable PCI Memory Read Line command.
The default is Enabled.
EXT_MWI = { Disabled | Enabled } (21142,21143 only)
Enable/disable PCI Memory Write and Invalidate command.
The default is Enabled.
Due to incompatibility problems with certain PCI host bridges
and PCI-to-PCI bridges, the driver currently does not enable
the Memory Write Invalidate (MWI) and Memory Read Line (MRL) commands
simultaneously. The driver will only enable one of the two commands;
by default, MRL will be enabled.
NwayProtocol = { Enabled | Disabled } (21041 and
21142 Rev1.0,1.1 only)
Enable/disable the 10BT/10BT_Full Duplex Autonegotiation
medium in Autosense mode.
ReceiveBuffers = {8..64} (default: 32)
Number of buffers allocated by the
driver in the Receive ring.
SoftwareCRC = { 0 | 1 } (21040 rev 1.x, 2.0 & 2.2 only)
0 The CRC is generated by the adapter
1 (default) The CRC is generated by software for
transmit packets bigger than the transmit threshold.
NOTE: This option affects performances and could be
disabled if the adapter does not report transmit
underruns in its statistic counters
UnderrunRetry = {2,4,6,8}
Maximun number of retransmission attempts of
an underrun packet.
UnderrunThreshold = {10,20,50,100} (21140,21143/2 only)
Maximun number of underrun occurences before the
controller switches to the next threshold value.
NoCableIndication = {Enabled | Disabled}
Check the LinkStatus before sending a packet and
retrieves NDIS_STATUS_NO_CABLE if there is not Link
indication. When it is disabled, it will retrieve the
NDIS_STATUS_SUCCESS message (workaround for the Win95
wrapper handling problem of the NO_CABLE status message).
The following values allow to overwrite the DC21X4 default setting.
Refer to the Intel 2104x/2114x 10/100 mbps Ethernet Controller
Engineering specifications for detailed description:
BackPressure = { 0 | 1 } (not 21040 rev1)
CSR6<BP> 0 Disabled (default)
1 Enabled
BurstLength = { 0 | 1 | 2 | 4 | 8 | 16 | 32 }
CSR0<PBL> 0 unlimited (default) - (not 21040, 21041 & 21140 rev1)
1 doubleword
2 doublewords
4 doublewords
8 doublewords
16 doublewords (default for 21040, 21041 & 21140 rev1)
32 doublewords (not 21040 & 21041)
CaptureEffect = { 0 | 1 } (not 21040 rev1)
CSR6<CA> 0 Disabled (Default)
1 Enabled
FifoArbitration = { 0 | 1 }
CSR0<BAR> 0 Rcv/Txm Arbitration (default)
1 Round_Robin
SnoozeMode = {Enabled|Disabled}
CFDA<SM> 0 Disabled
1 Enabled
StopBackoffCounter = { 0 | 1 } (not 21040 rev1)
CSR6<SB> 0 Disabled (Default)
1 Enabled
StoreAndForward = {Enabled|Disabled} (21140, 21143/2 only)
Select the StoreAndForward mode if high
PCI latencies causes 100Mbps Transmit Underruns
CSR6<SF> 1 Enabled
0 Disabled
TransmitThreshold = {value}
Transmit Threshold values for 10Mbps media.
CSR6<TTM,TR> 72 bytes
96 bytes
128 bytes
160 bytes
TransmitThreshold100 = {value} (21140, 21143/2 only)
Transmit Threshold values for 100Mbps media.
Meaningless when StoreAndForward is set
CSR6<TTM,TR> 128 bytes
256 bytes
512 bytes
1024 bytes
ProcessTransmitFirst = {Enabled | Disabled}
Causes the interrupt handler to process the transmit queue first.
0 Disabled (default)
1 Enabled
8. Driver Revision number
To retrieve the driver revision number, query the Registry:
HKEY_LOCAL_MACHINE\
System\CurrentControlSet\Services\Class\Net\"num"\NDIS
MajorDriverVersion
MinorDriverVersion
9. Error messages
DC21X4_ERRMSG_REGISTRY 0x01
DC21X4_ERRMSG_ALLOC_MEMORY 0x02
DC21X4_ERRMSG_SROM 0x03
DC21X4_ERRMSG_MEDIA 0x04
DC21X4_ERRMSG_LOAD_CAM 0x05
DC21X4_ERRMSG_SYSTEM_ERROR 0x06
DC21X4_ERRMSG_TXM_JABBER_TIMEOUT 0x07
9.1 Driver initialization errors:
o NDIS_ERROR_CODE_UNSUPPORTED_CONFIGURATION
DC21X4_ERRMSG_REGISTRY
The AdapterType Registry's key is missing or its value is
unsupported by the adapter board
o NDIS_ERROR_CODE_ADAPTER_NOT_FOUND
No board matching the AdapterCFID Registry's key value was found
plugged into the PCI bus or in the slot specified in the Registry
o NDIS_ERROR_CODE_OUT_OF_RESOURCES
DC21X4_ERRMSG_ALLOC_MEMORY
Not enough memory to allocate space for the Adapter data block
o NDIS_ERROR_CODE_INVALID_VALUE_FROM_ADAPTER
DC21X4_ERRMSG_SROM
Invalid data read from the adapter's serial ROM
o NDIS_ERROR_CODE_NETWORK_ADDRESS
No readable burnt_in or software configured station address
o NDIS_ERROR_CODE_UNSUPPORTED_CONFIGURATION
DC21X4_ERRMSG_MEDIA
The selected media port is not supported by the board.
o NDIS_ERROR_CODE_INTERRUPT_CONNECT
Interrupt initialization failed
o NDIS_ERROR_CODE_TIMEOUT
DC21X4_ERRMSG_LOAD_CAM
DC21X4 CAM initialization failed
9.2 Driver run time errors:
o NDIS_ERROR_CODE_HARDWARE_FAILURE
DC21X4_ERRMSG_SYSTEM_ERROR
System_Error interrupt (bus parity error)
o NDIS_ERROR_CODE_HARDWARE_FAILURE
DC21X4_ERRMSG_TXM_JABBER_TIMEOUT
Transmit Jabber timer expired
10. Important Notice
As of May 17, 1998, Digital Equipment Corporation's StrongARM,
PCI Bridge, and Networking component businesses, along with the chip
fabrication facility in Hudson, Massachusetts, were acquired by
Intel Corporation and transferred to Intel Massachusetts, Inc.
As a result of this transaction, certain references to web sites,
telephone numbers, and fax numbers have changed in the documentation.
This information will be updated in the next version of this manual.
Copies of documents that have an ordering number and are referenced
in this document, or other Intel literature may be obtained by calling
1-800-332-2717 or by visiting Intel's website for developers at:
http://developer.intel.com
The Intel Massachusetts Customer Technology Center continues to
service Network Product technical inquiries. Please use the
following information lines for support:
For documentation and general information:
Intel Massachusetts Information Line
United States: 1-800-332-2717
Outside United States: +1-303-675-2148
Electronic mail address: techdoc@intel.com
For technical support:
Intel Massachusetts Customer Technology Center
Phone (U.S. and international): 1-978-568-7474
Fax: 1-978-568-6698
Electronic mail address: techsup@intel.com
Upgrading Drivers
See the components page available on the Intel World Wide Web
Internet site at:
http://developer.intel.com/design/network/new21/download/dsc-software-nc.htm
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.