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Diffstat (limited to 'share/doc/handbook/hw.sgml')
-rw-r--r-- | share/doc/handbook/hw.sgml | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/share/doc/handbook/hw.sgml b/share/doc/handbook/hw.sgml index 19444dc..83c6d07 100644 --- a/share/doc/handbook/hw.sgml +++ b/share/doc/handbook/hw.sgml @@ -1,4 +1,4 @@ -<!-- $Id: hw.sgml,v 1.57 1996/12/27 08:48:17 obrien Exp $ --> +<!-- $Id: hw.sgml,v 1.58 1996/12/31 21:54:13 mpp Exp $ --> <!-- The FreeBSD Documentation Project --> <!-- @@ -65,8 +65,8 @@ Slippery when wet. Beware of dog. <htmlurl url="http://asustek.asus.com.tw/FTP/ASUS/Info/Spec/pi-p55tp4xe.txt" name="P55TP4XE"> motherboard appears to be a good choice for mid-to-high range Pentium - server and workstation systems, though the newer Triton-II boards (see - below) have largely supplanted them. If you buy one of these boards, + server and workstation systems, though the newer 430HX (Triton-II) boards + (see below) have largely supplanted them. If you buy one of these boards, be also sure to get it with the <htmlurl url="http://asustek.asus.com.tw/Products/TB/mem-0002.html" name="pipelined burst cache module">. If you are looking for a 486 class @@ -77,10 +77,11 @@ Slippery when wet. Beware of dog. NOTE: The Intel <htmlurl url="http://asustek.asus.com.tw/Products/TB/triton-intro.html" - name="Triton"> chip-set based motherboards do not offer memory + name="430FX (Triton)"> chip-set based motherboards do not offer memory parity logic, making it almost impossible to detect when a memory error has occurred. Those wishing to build more fault-tolerant systems should - therefore buy one of the newer Triton II based motherboards, which offer + therefore buy one of the newer 430HX (ie. Triton II) based motherboards, + which offer both better performance, parity checking and ECC. I am also told that if you are using ECC memory, be sure to get a motherboard with uses the A2 or later steppings of the 82439HX Triton-II chipset. Do not get this @@ -288,20 +289,20 @@ Slippery when wet. Beware of dog. PCI bus arbiter (appears on Intel Altair board and several other Intel server group MB's). And of course Intel's official answer, move to the - Triton chip set, we ``fixed it there''. + 430FX chip set, we ``fixed it there''. - <tag>Triton <em>(ie, 430FX)</em>:</tag> - No known cache coherency or bus - master problems, chip set does not implement - parity checking. Workaround for parity issue. - Use Triton-II based motherboards if you have the choice. + <tag>430FX <em>(ie, Triton I)</em>:</tag> + No known cache coherency or bus master problems, chip set + does not implement parity checking. A workaround for the + parity issue is to use a 430HX (Triton-II) based motherboard + if you have the choice. - <tag>Triton-II <em>(ie, 430HX)</em>:</tag> + <tag>430HX <em>(ie, Triton II)</em>:</tag> All reports on motherboards using this chipset have been favorable so far. Although, some have said that if you are using ECC memory, be sure to get a motherboard with the A2 or later steppings of the 82439HX - Triton-II chipset. Do not get this confused with the 82371SB + chip. Do not get this confused with the 82371SB stepping - you have an A2 stepping if the 82439HX chip has a marking of "SU102". You have an A1 stepping if it is not marked with an S-number or if the number is "SU087". @@ -313,16 +314,17 @@ Slippery when wet. Beware of dog. space restriction of 128MB, though it does add support for SDRAM. However, it will not cache memory above 64MB. - <tag>Orion <em>(ie, 450KX)</em>:</tag> Early versions of this + <tag>450KX <em>(ie, Orion)</em>:</tag> Early versions of this chipset suffered from a PCI write-posting bug which can cause noticeable performance degradation in applications where large amounts of PCI bus traffic is involved. B0 stepping or later revisions of the - chipset fixed this problem. + chipset somewhat fixed this problem. The problem should be + fully fixed in the C0 or later stepping. <tag><htmlurl url="http://www.intel.com/design/motherbd/vs/index.htm" - name="VS440FX"><em>(ie, Natoma)</em>:</tag>This <htmlurl + name="440FX"> <em>(ie, Natoma)</em>:</tag>This <htmlurl url="http://www.intel.com/procs/ppro/intro/index.htm" name="Pentium Pro"> support chipset seems to work well, and does not suffer from any of the early Orion chipset |