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Configuration for the H89-17
I
0-5
SYSTEM CONFIGURATION
The following paragraphs describe the minimum requirements of your opera-
ting system.
It
is impossible to list all the different combinations that you may
want to use. But this information will let you configure the operating system so
you can begin using your H89 computer system.
This section only contains the information about the software configuration.
Refer to the "System Configuration" section of your "Operation Manual" for
instructions on how to configure your hard ware.
You must have an H89 computer system with a minimum 16K bytes of memory.
Moreover, this memory must operate continuously from decimal location 8192
(i.e.040.000A) to the available upper memory limit of your computer. Note that
the lower 8192 bytes of memory are reserved.
Table 0-1 outlines the port allocation scheme used on the H89 computer system.
It
lists the device and the device name used in the software. For instance, the
console terminal is referenced by the software as TT: and the Line Printer as LP:.
The Operating system does not use any port address below 100 octal. These ports
are available for your use.
TABLE
0-1
DEVICE
INTERFACE
DEVICE
NAME
CARD
PORT ADDRESS
INTERRUPTS
Console Terminal
Cassette
Line Printer
Alt. Terminal
Floppy Disk
Reserved
Reserved
Reserved
* - None is used.
NOTES:
TT:
*
--
LP:
AT:
SY:
350-357Q
H88-5 Serial
370-371Q
HBB-3 Serial
340-347Q
HBB-3 Serial
320-327Q
Special
174-177Q
170-173Q
360-361Q
376-377Q
1.
If you are using an H36 DECWRITER as a Line Printer, you must connect it as the device AT:. In
addition, an H14 Line Printer must be connected as the device LP:.
2. The AT: driver is named ATH84. DVD and must be reconfigured to address Port 320Q. It can only be
used to communicate with RS232-style devices.
3. AT: port addresses are given in octal, indicated by "Q". Thus, address 350Q is port 350 octal.
3
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