HP Vectra User Manual

Table 4.1
Keyboard Connector Pin Assignments
Pin Assignment
1
+ 12 Vdc
2
Serial In
3 Serial Out
4 Ground
Keyboard Interface
,.------------ A20 GATE ENABLES
PROTECTED MODE
ADDRESS LINE
HP8041
r--- ........ 69H
P21
____ ----I TEST 0
_PA_2 ----I AO COMMAND
DO-D7
+5
KBINH
u-- ......... --t P27
SECURITY
LOCK
HPINT
CERB/NT
OBFINT
-CERBNMI
6AH
tNT
NMI
P20
~---------RC
TEST1 ..... __ ......
-INT HP
OBF INT
AP 60 Hz
AP
00-07
68H
64H
60H
SCAN
CODE--
HP-HIL CONTROLLER
~ COMMANDS '--- __ ...... __ ...
00-07
__ ---' HPHIL
Figure 13
58 Keyboard Interface

HP Vectra Specifications

General

Processor	Intel Pentium
RAM	Up to 128 MB
Storage	HDD (capacity varies by model)
Operating System	Windows 95
Graphics	Integrated
Ports	Serial, Parallel
Expansion Slots	ISA, PCI