Reference Guide

ZCOM Tables and Data Structures
Interface Table
Chapter 380
This field contains the I/O card address representing the I/O slot number
that the MUX interface card is installed in. It is initialized by TTGEN
from the slot value specified in the MUX statement of the TTGEN
configuration file.
INHPA - Interface HPA value (from TTGEN)
The HPA value is built as follows:
For the Mux interface in an HP-PB standard backplane, the card address
is 4 x slot number. In the TTGEN configuration file, the card address is
given as BUS:SLOT (e.g., 0:48), or BUS:BUS:SLOT. Here the 10-bit Bus
Address field is translated from the 1’s complement of BUS (i.e.,
1023-BUS). The Slot field is specified by SLOT/4. The Module, Page,
Register Set, and Reg No. fields are set to 0. For the example of
BUS:SLOT=0:48, the HPA is 0xFFFB0000. For EISA standard
backplanes the address is the slot number.
IFTYPE - Interface card type
Specified in TTGEN through the interface definition (the keyword MUX)
with the following results:
IFTYPE = ZCOM_ITYPE_Z7200A(6) - Z7200A HP-PB ACC 8-channel Mux
IFTYPE = ZCOM_ITYPE_Z7350A(7) - Z7350A HP-PB ACC 2-channel Mux
IFTYPE = ZCOM_ITYPE_Z7400A(8) - Z7400A EISA ACC 8-channel Mux
IFTYPE = ZCOM_ITYPE_Z7300A(9) - Z7300A HP-PB ACC 4-port E1/T1
IFTYPE = ZCOM_ITYPE_Z7330A(10) - Z7330A PCI ACC 4-port E1/T1
IFTYPE = ZCOM_ITYPE_Z7340A(11) - Z7340A PCI ACC 8-channel Mux
This field allows for the future support of extra interface types.
Table 3-14 Interface HPA Value Format INHPA
63-32
31-2
8
27-18
17-1
4
13-12 11 10-6 5-2 1-0
All 1’s
(111...)
1111 Bus
Addres
s
Slot Modul
e
Pag
e
Registe
r Set
Reg No. 00