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HP Vectra User Manual

HP Vectra
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I/O Channel Budget
Each
of
the
I/O channels can support
an
average
of
seven
watts
per channel. The
following
charts the
power
totals
not
to
be
exceeded
for
the
I/O backplane slots.
+ 5V 7200ma
+ 12V 390ma
- 5V 250ma
-12ยท
250ma
PFAIL
The
PFAIL
signal indicates all
power
supply
is
valid
within
100
msec after supplies are valid. The falling edge
of
PFAIL
indicates
to
the
CMOS clock
to
go
into power-down mode and operate
from
the
battery pack.
PFAIL
generates a reset
to
the system
via
an
interrupt control. The following figure
is
a timing diagram
of
the
PFAIL
signal.
PFAIL
Timing Diagram
___
o.ov
PFAIL U
OPEN
U
COLLECTOR
_0.6
MAX
T1:
100 msee MIN/300 msee MAX
T2: 100 usee MIN
RISE
&
FALL
TIMES (10%-90%) 1 usee TYP
Figure 17
78 Power Supply

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HP Vectra Specifications

General IconGeneral
ProcessorIntel Pentium
RAMUp to 128 MB
StorageHDD (capacity varies by model)
Operating SystemWindows 95
GraphicsIntegrated
PortsSerial, Parallel
Expansion SlotsISA, PCI

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