
PA-RISC Linux
3.3 PA-RISC Linux
3.3.1 Overview
The PA-RISC Linux
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port runs on a broad range of both 32-bit and 64-bit workstations and servers.
Most of the “unlettered” (the HP 9000/700s) and B/C/J-Class workstations are supported, both 32-
bit (based on PA-7x00 processors) and 64-bit (PA-8x00) systems in the same distribution. SMP is
supported, though not as smooth as on other Linux platforms or HP-UX and not necessarily with the
theoretical maximum of CPUs. PA-RISC Linux runs on most server systems, although several which
use proprietary I/O and CPU/memory combinations are unsupported.
Originally started by “The Puffin Group” in 1998, the port of Linux
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to HP PA-RISC gained mo-
mentum after HP started helping with equipment and more importantly, documentation, in 1999 and
quickly superseded the earlier Mach-based MkLinux. Because of HP’s assistance, the machines tar-
geted at that time were newer than what other ports (e.g., OpenBSD or MkLinux) supported, like the
A180, B180 and 64-bit PA 2.0 systems. Nevertheless, PA-RISC Linux also supports older HP 9000/700
systems like 712, 715 and 735.
3.3.2 Supported systems
705, 710, 712, 715, 720, 730, 750, 725, 735, 755
742i, 743i, 744, 745i, 745, 747i 748i, 748
A180, A180C, A400 (rp2400/rp2430), A500 (rp2450/rp2470)
B132L, B160L, B132L+, B180L+, B1000, B2000, B2600
C100, C110,C132L, C160L, C160, C180, C200, C240, C360, C3000, C3600, C3650, C3700,
C3750
D210, D220, D230, D250, D270, D280, D310, D320, D330, D350, D370, D380, D390
E-Class (very limited support)
J200, J210[XC], J280, J282, J2240, J5000, J6000, J6700, J7000
K100, K200, K210, K220, K250, K260, K370, K380, K400, K410, K420, K450, K460, K570,
K580
L1000 (rp5400), L2000 (rp5450), L3000 (rp5470)
N4000 (rp7400)
R380, R390
RDI PrecisionBook
SAIC Galaxy 1100
Performance is not quite on par with original HP-UX — 50% is a fair rough estimate of the relative
raw performance, although the overhead of a complete running HP-UX probably consumes much of
this advantage, especially on older systems.
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http://www.parisc-linux.org
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http://www.kernel.org
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