PPC7A Product Manual
Specifications
A-4
1
st
Edition
P2 (3U mounting)
SCSI,
Six serial,
Parallel, floppy
Mouse and keyboard,
Ethernet: 10/100BaseT
I/O Modules
Miscellaneous
P2 transition module
(including 50-way SCSI header)
EMC Regulatory Compliance and Safety
Air-cooled versions of PPC7A
are designed for use in systems meeting VDE class B, EN and FCC
regulations for EMC emissions and susceptibility.
All PCBs are manufactured by UL approved manufacturers and have a flammability rating of 94V-0.
Power Requirements
S
UPPLY
V
OLTAGE
PPC7A-7410
128 M
BYTE
S
DRAM
PPC7A-7410
256 M
BYTE
S
DRAM
+5V +5 %, -2.5 %
3.5A
3.5A
These figures are based on a 500 MHz MPC7410 running at 500 MHz with a 100 MHz processor bus.
The card was running a comprehensive memory test and gave measured values for +5V supply current
of 3500 mA for the 128 Mbyte SDRAM version and 3500 mA for the 256 Mbyte SDRAM version.
$
Note:
When using PMCs, ensure that they do not cause the specified maximum supply current to be exceeded,
especially from the +5V supply. The VME specification allows a maximum of
7.5 Amps to be drawn from the +5V supply in a single slot over the PPC7A’s specified operating
temperature range. It may not be possible to support all combinations of SDRAM and PMCs within this
limit.
The PPC7A
uses the undefined pins (rows a, c, d and z) of the VMEbus P2 connector for I/O and
power/ground connections. 3.3V is connected to both of the PMC sites.
!
WARNING
Do not exceed the maximum rated input voltages or apply reversed bias to the
assembly.
If such conditions occur, toxic fumes may be produced due to the destruction of
components.
"
CAUTION
Only use the PPC7A
in backplanes that supply power on both the J1 and J2
connectors.
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