For
HP
Internal Use
Only
Configuration Rules for
HP
9000 Model
800
Ex5 Class Systems
There
are no power supply constraints for
supported
I/0
cards
and
peripherals.
You can
not
install more
than
two 3.5-inch SCSI-2 disks
and
two removable media devices.
You can install
up
to
four single-high
I/0
cards
or
two double-high cards
in
the
systems,
depending on
the
number
of
I/0
slots.
Note
•
Please consult
the
most current configuration guides for additional
configurations of new
HP-PB
cards .
Configuration Rules for
HP
3000 Series 9x8 Systems
The
Series 9x8 systems require power budgeting, because
they
cannot
support
all
combinations
of
IO cards
and
internal peripherals.
In general,
if
PBA-IB Interface cards
and
HP-FL
cards are not installed
in
the
system, all
other
combinations
of
cards, memory,
and
peripherals are supported.
Configuration Guidelines
1.
Memory modules can use either two
or
four memory SIMM slots. However,
enter
the
current requirements
in
only one of
the
slot positions. Refer
to
Table 4-2 for
the
current
requirements
of
the
memory modules.
2.
When
double-high
I/0
cards are installed, two single-high slots are used. However, enter
the
current requirements in only one
of
the
slot positions. Refer
to
Table 4-2 for
the
current requirements
of
the
I/0
cards.
3. Refer
to
Table 4-2 for
the
current requirements
of
the
internal peripherals.
4.
The
current requirements for
the
CPU
card
and
the
multifunction
I/0
card have already
been taken
into
account
in
the
worksheet calculations.
Calculating Current Consumption
Use
the
current tables
and
worksheet as follows, referring
to
Table 4-3.
1.
Enter
the
current (amps) for each row corresponding
to
the
selected memory SIMMs,
I/0
cards, and
internal
peripherals. Be sure
to
enter
the
current values for all
three
voltages.
2.
Sum each column and compare
the
results with
the
current limits
at
the
bottom
of
the
worksheet.
The
Total Current Available already contains a 5% margin over
the
total
current available.
If
the
configuration exceeds
the
available current shown,
the
configuration
must
be modified
to
be supported.
4·2 Configuration
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