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HP Vectra User Manual

HP Vectra
248 pages
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RAM Organization
BANKS
DATA
BITS PARITY BIT
t
00000
64K
x 4
64K
x 4
64K
x 1
256K
01000
MIN
02000
03000
~
~
04000
05000
06000
EXPANSION
07000
08000
09000
r
09FFF
Figure 6
Refresh Cycles
The refresh controller operates
from
the
8
MHz
system clock. A
RAM
refresh occurs approximately once every 16us.
Each
refresh
cycle requires five system clock cycles.
Parity
Parity
is
generated
for
each byte
of
RAM
during
write
operations,
and checked during read operations. If a parity error occurs,
the
Processor Board
11

Table of Contents

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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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