Elbox
dispels rumours on MEDIATOR PCI
[04
September 2000]
The
breakthrough product developed by us: the MEDIATOR PCI, has
caused many changes in the Amiga world. Changes for better,
one has to admit.
People
who cannot approach this excellent product with honour and
respect due to its design, spread rumours, which give false
information to Amiga users.
In
order to make this situation clear and show our respect to
all those dedicated users of Amiga computers, we feel obliged
to clarify the information.
Below you find our answers to such rumours:
1. *** MEDIATOR PCI 1200 can only have access to 8 MB address
area, so the latest Voodoo III cards with
32-64 MB address
area could not be used. ***
Answer: Not true.
Elbox MEDIATOR PCI 1200 enables access to the
entire 4 GB
PCI Memory Space and to all the required I/O
space.
Execution of access to the full memory area in
PCI (4 GB)
through the 8 MB Amiga memory window is done
with MEDIATOR's
hardware on the basis of the MEDIATOR offset
registers.
2. *** Designing MEDIATOR PCI 1200 in such a way that
it works with all the existing turbo cards
for Amiga 1200
(i.e. within the 8 MB address window) will
result
in modern graphics cards major crippling
in the transfer rate
between the processor and graphics card.
***
Answer: Not true.
Data exchange between the processor and graphics
cards
within the 8 MB address window does not affect
transfer rate.
E.g.: Writing to a graphics card of 32 MB of data within
the 8 MB address window means execution of just
3 additional
writing operations for over 8,000,000 writing
operations.
In practice, transmission over 8 MB of data to
a PCI graphics
card is very rare, as majority of modern PCI
graphics cards
memory is allocated for storing textures.
Current data exchange is thus executed within
the one 8 MB
window, anyway.
3. *** PCI graphics cards themselves are now increasingly
hard
to obtain and will be obsolete in a few months
time. ***
Answer: Not true.
Many new graphic chipsets are and will be produced
in both
the PCI standard and the AGP Intel standard.
This is clear, as PCI (Peripheral Component Interconnect)
is an industry standard independent of the processor
platform
by definition. Graphic cards in this standard
may work
equally well in PC, Mac or Amiga computers.
4. *** Elbox will produce a PCI/AGP busboard to be
directly
connected to the expansion connector
on the BlizzardPPC.
It will come equipped with 3xPCI slots,
1xAGP slot and a
socket for SDRAM. ***
Answer:
Who came up with this one?
Preparing such a busboard, connected directly
to the
BlizzardPPC card in the place of the BVisionPPC
card,
would require redesigning the BlizzardPPC
card.
Replacing one PCI slot with an AGP slot
in the busboard
for A1200 does not result in any major
benefits.
Instead of SDRAM memory in the busboard, we will offer
a far better solution, to which MEDIATOR
PCI 1200 is
totally ready, of which we will write more
in one of our
coming announcements.
Mariusz Siaczyklow
ELBOX COMPUTER, Press Department
contact:
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