HP Vectra Reference Manual page 242

A
INDEX
BUSY 139, Intel 80287 100
byte definition, system BIOS 41
A20 Gate 56
Accessible registers; RDC table 2.10
47 serial card table 11.2 124,
pa~allel
card table 11.7 137
AC inrush current 75
- ACK 138, 139
adapter board 32
adapter to system hardware interface
81
address to system hardware interface
8
address definition ROM 86
address generation fig. 10 25
address index register 91
address lines, memory expansion card
118
address selection switches 116
address selective parallel port 32, serial
port J 1 121
AEN 31
alphanumeric character font 96
alphanumeric mode 88
AP line 56
application path 56
attachment connectors 40
attribute byte 88
AUTO FD 138
B
BALE 31
backplane I/O; accessory cards 28,
connectors, pin assignments [62]
table 2.4 30, [36] table 2.5 31
basic components, Vectra PC fig. 1 2
basic input/output systems 53
bidirectional FIFO data registers 109
bid irectiona I I/O port add resses 100
BIOS, hard disc subsystems table 3.1
53,54
BIOS interrupt summary table 3.1
53,54
board ID register 97
Index
c
capability extensions 101
caution 107
CERBINT 57
character byte 88
characters 61
character generator ROM 85
clock, 80286 14
clock cycle, memory expansion card
116
clock cycle, multi-mode video adapter
card 81
CMOS RAM memory 42, map table
2.943
color adapter connector [P3] pin
assignments table 6.5 85
color reg ister 94
connector, I/O channel fig. 11 28
control-alt-del 57
control interface pin assignments table
2.11 50
controller channels 23
control lines, memory expansion cards
118
control signals 51
CPU of processor board 7
CRTC 90
CRT controller 90
D
- DACKO-3 32
-DACK5-732
data buffer register 137
data lines 118
data register 91
data signals 52
DC power interface, HP45811 A, pin
assignments table 9.2 105
DC power interface, HP45612A, pin
assignments table 9.4 108