HP B160L Manual do Utilizador Página 35

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PA-RISC Processors PA-8800 (Mako)
Up to 750MHz (875MHz on the PA-8700+) frequency with 1.5V core voltage
16.0×19.0 mm
2
die, 186,000,000 FETs, 0.18µ(micron), 7-layer Silicon-on-Insulator CMOS pack-
aged in a 544-pin LGA package
References
A 900MHz 2.25MByte Cache with On Chip CPU
29
(PDF, 119KB) J. Michael Hill and Jonathan
Lachman (2000: ISSCC).
2.2.14 PA-8800 (Mako)
Used in
C8000
L1500-9X (rp5430), L2000-9X (rp5450)
N4000-9X (rp7405, rp7410)
rp3410, rp3440
rp4410, rp4440
rp7420
rp8400, rp8410, rp8420
Superdome
Time of introduction
2004
Overview
The dual-core PA-8800 Mako consists of two seperate PA-8700 cores on a single die with very large
off-die L2 caches on the processor module. The clock speed was only increased slightly, while the
processor bus interface was redesigned to use the HP/Intel Itanium/McKinley bus. Mako was supposed
to breathe fresh life in the PA-RISC line, though it had strong internal competition from the Itanium
30
line, based on HP development together with Intel
31
, and was not marketed much. Most systems
supporting PA-8800s use the HP zx1 chipset and could be hardware-upgraded to use Itanium 2/IA64
processors.
29
http://ftp.parisc-linux.org/docs/whitepapers/isscc_cache_talk_2.pdf
30
http://en.wikipedia.org/wiki/Itanium
31
http://www.intel.com
28
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