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README.386
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1991-01-23
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Installation Notes for E/MASTER-II Under NetWare 386, V3.10:
October 25, 1990
The NetWare 386 Server:
----------------------
Install the E/MASTER-II boards in the server in the following manner:
Set them all to the SAME I/O base address (e.g. 300), DIFFERENT IRQ
values, and DIFFERENT DMA values, then set the LAN A, B, C, D jumpers
according to how many boards are installed, always starting with LAN
A, then LAN B, and so on.
Boot the NetWare 386 server as usual. Then, use the INSTALL
NLM to add the following lines to the STARTUP.NCF file:
SET MAXIMUM PHYSICAL RECEIVE PACKET SIZE = 4202
SET AUTO REGISTER MEMORY ABOVE 16 MEGABYTES = OFF
SET MINIMUM PACKET RECEIVE BUFFERS = 30
The value of 30 is for the maximum of 4 E/MASTER-II boards in the
server; you should use at least as many per E/MASTER-II board as
selected with the RXBUFS parameter (default 6). This value is a
MINIMUM value, your server may need more receive buffers.
Installing the E/MASTER-II software:
This subdirectory contains the NetWare 386 E/MASTER-II
driver EM2AT386.LAN. Copy this file to the DOS partition of
the NetWare 386 server or to the SYS:SYSTEM directory on the
server.
After bringing up the server, load the E/MASTER-II driver
once for each board installed in the server:
:LOAD [C:]EM2AT386 INT=x DMA=y PORT=z [BUSRATE=b] [RXBUFS=r]
Where: x = IRQ jumper setting for the LAN A board
y = DMA jumper settings for the LAN A board
z = I/O port setting for the LAN A board
b = Bus Transfer Rate option. The default is 1 which will
be adequate for most single-E/MASTER servers. Very fast
servers (386-33 or 486) can probably use up to BUSRATE=3.
You should only use BUSRATE=3 in machines which Cogent has
specifically qualified for this speed. Unpredictable results
can be expected in other machines. Use BUSRATE=1 (default) if
in doubt.
(NOTE: Compaq SystemPro machines should use BUSRATE=2).
r = the number of receive ECB's that the driver will
pre-allocate. The default is 6, which should be the
minimum used.
(You will have to specify the path (e.g. "A:" or "C:") if loading
the driver from the DOS partition of the 386 server drive
or from a floppy disk)
Then bind the IPX protocol to the E/MASTER-II board:
:BIND IPX TO EM2AT386 [INT=x] NET=1
Where: x = the same IRQ setting used for the LAN A board
NET=1 is the IPX internal network number for LAN A
(the actual number used is arbitrary but must be
different for each E/MASTER-II loaded)
Repeat the above LOAD and BIND process for each E/MASTER-II
board in the machine. If desired, the above commands can be
added to the AUTOEXEC.NCF file by using the INSTALL NLM
program.
The default LAN protocol used is 802.3. You can use Ethernet_II
protocol by loading EM2AT386 with the "frame=ETHERNET_II"
parameter.
IMPORTANT!
----------
The E/MASTER-II board with the LAN A jumper setting must be LOADed
FIRST, LAN B must be LOADed second, LAN C third, etc.
NOTE on the BUSRATE Parameter:
-----------------------------
This parameter is provided for compatibility with the widest range
of ISA bus machines. It determines the data rate that the E/MASTER-II
board uses on the system bus, and can be set to 0, 1, 2, or 3. The
default value is 1, which is a conservative setting and
will operate correctly in virtually all ISA bus machines.
When using multiple E/MASTER-II boards in one machine, it is possible
to improve performance in most systems by using a higher data rate
than the default, and BUSRATE=2 or 3 can be used in qualified servers
with adequately high performance.
IF YOU EXPERIENCE ANY PROBLEMS in getting the E/MASTER-II board to
initialize or function properly and you have verified all other
hardware jumper settings, try a lower value for the BUSRATE parameter.
Refer to the E/MASTER-II manual for complete information about
setting the BUSRATE parameter.