User guide

80 Enhanced OS-9 for X86 PCAT

Installing and Configuring Enhanced OS-9

#define VECTOR0x4a/* Port vector */

#define PRIORITY8/* IRQ polling priority */

#define IRQLEVEL0/* Port IRQ Level */

#define PNP8900PNPON/* Do plug and play ( Normal setting ) */

#define TB486COMPATTRUE

--------------------*/

Any information ( not shown ) beyond this point MUST not be changed

User configurable fields

The following fields are user configurable.

Field Name Default Value Possible Values

PORTADDR Ox300 0x200..0x360

VECTOR 0x4a 0x45,0x4a,0x4b,0x4c

PRIORITY 0x08 0..255

PNP8900 PNPON PNPON or PNPOFF

TB486COMPAT* TRUE TRUE or FALSE

*note: The tb486 board is a special case and this flag should be set

false for any other board type.

Generating a New Device Descriptor

Having located and edited the field as desired the new device descriptor

may be generated with the following steps

Change directory to:

../MWOS/OS9000/80386/PORTS/PCAT/SPF/SP8900

Enter the command: os9make -f=sppfdesc.mak -u MOPTS=-u

The new descriptor will be built.

OS9 SP8900 Components

The complete driver consists of two OS9 load modules. Users should

refer to the appropriate Microware manual for further information

concerning system configuration.

The SP8900 component files are :

SP8900 -- cs8900a Ethernet Driver

spcs0 -- cs8900 Device Descriptor