nForce3-250: Which Boards Have On-Chip LAN?

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<section class="main_cont"> <div class="breadcrumb_area hide_resp2"> <nav class="breadcrumb"> <ul> <li><a href="/">Home</a><span>></span></li> <li><a href="/tag/mb">Motherboards</a></li> </ul> <div class="clear"></div> </nav> <div class="clear"></div> </div> <div class="review_blog"> <div class="blog_top_left"> <a href="/show/1420"><h1>nForce3-250: Which Boards Have On-Chip LAN?</h1></a> <span>by <a href="#"><a class='b' href='mailto:wesley.fink@anandtech.com'>Wesley Fink</a></a> <em>on August 6, 2004 12:05 AM EST</em> </span> <ul class="hide_resp2"> <li>Posted in</li> <li><a href="/tag/mb">Motherboards</a></li> </ul> </div> <div class="blog_top_right show_resp2"> <span><a href="#comments">24 <small>Comments</small></a></span> | <strong><a class="icAddComment" href="/Comment/NewComment/1420?page=1&commentPage=1&showAllComments=False">Add A Comment</a></strong> </div> <div class="blog_top_right hide_resp2"> <span><a href="#comments">24 <small>Comments</small></a></span> </div> <div class="clear"></div> </div> <script type='text/javascript'> function go_here(navigation_list) { var new_ContentPagesURL = navigation_list.options[navigation_list.selectedIndex].value; if (new_ContentPagesURL != "") { self.location = new_ContentPagesURL; } } </script> <div class="article_links_top"> <select name="ContentPagesListTop" onchange="go_here(this)"> <option selected="selected" value="/show/1420">Index</option> <option value="/show/1420/2">How Can You Tell if a Board Has On-Chip Gigabit LAN?</option> <option value="/show/1420/3">Socket 754/939 Boards That Have On-Chip LAN</option> </select> </div> <div class="sidepadding review"> <div style="float: right; margin: 13px 0px 15px 15px;"> <div id="middle_ad"> </div> <div class="clear"></div> </div> <div class="articleContent"> <br> As we talked about in the <a href="http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2004" target="_blank">launch review of the nForce3-250 chipset</a>, the high-end versions of the nF3-250 feature nVidia on-chip LAN and nVidia Firewall built into the chip. Since the original chipset launch, it has been clear that readers were very confused about what the nVidia on-chip LAN actually was and which boards had the on-chip LAN.<br> <br> We have been working with nVidia to try to provide some answers to your questions and clear up the confusion. This should make your buying decision a little easier when shopping for nForce3-250 motherboards.<br> <br> <h3>What is nVidia On-Chip LAN?</h3> The Gigabit LAN capabilities on certain nForce3-250 chipsets is not really a fully integrated LAN. Like solutions in a few other chipsets that remove the LAN from the confines of the PCI bus, nVidia provides a port for direct communication of a Gigabit LAN PHY (Physical Layer) with the nForce3-250 family chipset. There is still an external Gigabit LAN chip providing PHY Gigabit LAN capabilities, which communicates directly with the nF3-250 chipset.<br> <br> As a result, you cannot determine if an nVidia nForce3-250 family board has on-chip Gigabit LAN merely by looking at the specifications for other brand LAN chipsets. The on-chip LAN will still have an external Gigabit LAN chip providing PHY Gigabit capabilities. This makes the on-chip LAN more like a port to communicate with the external Gigabit LAN PHY than it is a fully integrated Gigabit LAN chip. The end results are the same however - removing the Gigabit LAN from the constraints of the slower PCI bus. <br> <br> <h3>Do ALL nForce3-250 chipsets have On-Chip Gigabit LAN?</h3> The answer to this question has been spelled out in the chipset reviews for the various nForce3-250 family, but it is still a source of confusion. <strong>The ONLY nForce3-250 chipsets with on-chip Gigabit LAN are the nForce3-250Gb and the nForce3 Ultra.</strong> The other chipsets in the nForce3-250 family do <em>not</em> offer on-chip Gigabit LAN or nVidia on-chip Firewall.<br> <br> This means that a motherboard based on the nForce3-250, without a Gb or Ultra extension, does <strong>not</strong> have the nVidia on-chip LAN or nVidia Firewall. <br> <br> </div> <div class="article_links"> <a href="/show/1420/2" class="fl-rt">How Can You Tell if a Board Has On-Chip Gigabit LAN?</a> <select name="ContentPagesList" onchange="go_here(this)"> <option selected="selected" value="/show/1420">Index</option> <option value="/show/1420/2">How Can You Tell if a Board Has On-Chip Gigabit LAN?</option> <option value="/show/1420/3">Socket 754/939 Boards That Have On-Chip LAN</option> </select> </div> <div class="clear"></div> <div class="fl-rt" style="margin: 22px 0px 15px;"> <div class="button left"><a href="/print/1420/" class="print_article"><span>PRINT THIS ARTICLE</span></a></div> </div> <div class="fl-rt" style="margin: 22px 8px 15px; height: 0px;"> </div> <div class="clear"></div> <div style="text-align: center;" id="resp_middle_ad"> </div> </div> <div class="discussion" id="comments"> <script type="text/javascript"> $(document).ready(function () { window.hasCommenting = true; $('#icTopPost').click(DoTopPost); $("#icLoginLink").click(function (e) { window.gotoComment = true; $.fancybox.open([ { href: '#inlineLogin' } ], { padding: 0, titlePosition: 'inside', transitionIn: 'none', transitionOut: 'none', afterShow: function (current, previous) { $('#UserName').focus(); } }); e.preventDefault(); return false; }); $("#inlineComment").click(function (e) { DoComment(); e.preventDefault(); return false; }); $("div#comments a.jqc").click(function () { $.get(this.href, scrollComments); return false; }); }); </script> <div><a id="commentsAnchor"></a></div> <ul id="icReplyHolder"> <li id="replybox" class="blog_post_area" style="display: none;"> <div class="blog_post_btm"> <h3>Post Your Comment</h3> <span id="icMessage"> Please <a id="icLoginLink" href="/Account/Login?r=%2fshow%2f1420">log in</a> or <a href="/Account/Register?r=%2fshow%2f1420">sign up</a> to comment. </span> <textarea cols="10" rows="10" class="comment_txtarea" placeholder="Enter your comment" id="CommentInput" name="CommentInput"></textarea> <input name="" type="button" id="inlineComment" class="submit_comment_btn" value="Submit Comment" disabled="disabled"> <img alt="" src="/Content/images/ajax-loader13.gif" id="icAjaxLoader"/> <input type="hidden" name="ParentCommentId" id="ParentCommentId" /> <input type="hidden" name="ReplyLevel" id="ReplyLevel" /> <input data-val="true" data-val-number="The field ContentId must be a number." data-val-required="The ContentId field is required." id="ContentId" name="ContentId" type="hidden" value="1420" /> <div class="clear"></div> </div> </li> </ul> <div class="blog_comments"> <div>Comments Locked</div> <h2>24 Comments</h2> <h3><a href="/comments/1420/">View All Comments</a></h3> <ul id="ulComments"> <li id="cid8096" style=""> <h4><a>Boat</a> - Saturday, September 25, 2004 - <a href="/comments/1420//8096" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>I see from their site that the new Asus non-"E" model K8N board has the firewall but does not offer Gigabit Lan. Is this right or just a marketing snafu?</span> <div class="clear"></div> </li> <li id="cid8097" style=""> <h4><a>MavAnan</a> - Saturday, August 14, 2004 - <a href="/comments/1420//8097" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>Does the comment below have any relevance to whether the MSI K8N Neo2 Platinum (aka MSI 7205)has the full implementation of the on-chip GB LAN? <br> <br>"MSI has included two Gigabit LAN connections, but neither of them courtesy of the on-board NVIDIA MAC. They are instead powered by the Marvell and Realtek chipsets" <br> <br><a href="http://www.pcper.com/article.php?aid=57&type=expert&pid=3" target="_blank" rel="nofollow">http://www.pcper.com/article.php?aid=57&type=e...</a> <br> <br>Thanks for any clarification.</span> <div class="clear"></div> </li> <li id="cid8098" style=""> <h4><a>loafier</a> - Wednesday, August 11, 2004 - <a href="/comments/1420//8098" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>Hello. Anyone know the jumbo frame size supported by nVidia gigabit ethernet? I hear that jumbo frames is supported, but I am unable to find the exact size and options for jumbo frames. </span> <div class="clear"></div> </li> <li id="cid8099" style=""> <h4><a>johnsonx</a> - Saturday, August 7, 2004 - <a href="/comments/1420//8099" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>I notice the Socket-754 GA-K8NSNXP is now off the list, but the 939 version is still there. It shouldn't be on the list either, or at the very least have a special mention that the NV MAC port is 10/100 only, and that the Gigabit port does NOT use the NV MAC. <br> <br>From: <a href="http://www.giga-byte.com/MotherBoard/Products/Products_Spec_GA-K8NSNXP-939.htm" target="_blank" rel="nofollow">http://www.giga-byte.com/MotherBoard/Products/Prod...</a> <br> <br> 3. Marvell 8001 Gigabit Ethernet controller <br> 4. ICS 1883 LAN PHY chip <br> <br>The board is further described as having 1 Gigabit and 1 10/100 Ethernet port, and we also know from other documentation that the ICS 1883 is a 10/100 PHY. <br></span> <div class="clear"></div> </li> <li id="cid8100" style=""> <h4><a>operator</a> - Saturday, August 7, 2004 - <a href="/comments/1420//8100" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>#8 <br> <br>I've had no problems with the onboard lan at all, with BT or whatnot.</span> <div class="clear"></div> </li> <li id="cid8101" style=""> <h4><a>gtech41</a> - Friday, August 6, 2004 - <a href="/comments/1420//8101" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>Ha, yeah scratch that Biostar too. The other one is fine though. </span> <div class="clear"></div> </li> <li id="cid8102" style=""> <h4><a>aznknight696</a> - Friday, August 6, 2004 - <a href="/comments/1420//8102" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>isnt the biostar k8nbp motherboard the one used in their sff system, ideq 200p, which is the nforce3 150 chipset?</span> <div class="clear"></div> </li> <li id="cid8103" style=""> <h4><a>gtech41</a> - Friday, August 6, 2004 - <a href="/comments/1420//8103" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>Wesley-all the other boards are OK. Post 15 summed it up nicely. I assume that the plain 250 has a built-in 10/100 MAC which explains the ICS PHY on the K8NSNXP. It's use on the Ultra defies explanation though. I can only assume that they wanted to get an Ultra board out before anyone so the just recycled the 250 board design and dropped in the Ultra chip. <br> <br>Incidentally, back when the Intel ICH4 was big news for it's integrated features, Gigabyte did the exact same thing by bypassing them all in favor of PCI components.</span> <div class="clear"></div> </li> <li id="cid8104" style=""> <h4><a>johnsonx</a> - Friday, August 6, 2004 - <a href="/comments/1420//8104" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>In other words, I think GigaByte should be off the "uses NVidia GbE" list entirely. <br> <br>Again, I don't think what GigaByte did here was cool at all; If you buy a board that says "NForce3-Ultra", and you see a Gigabit Ethernet port, you ought to be able to assume it's the well-advertised NVidia Gigabit Ethernet with the dedicated port to the northbridge, not some bandwidth starved PCI-based solution. <br></span> <div class="clear"></div> </li> <li id="cid8105" style=""> <h4><a>johnsonx</a> - Friday, August 6, 2004 - <a href="/comments/1420//8105" style="font-weight:normal; color:#8E8C8C;">link</a></h4> <span>The GA-K8NSNXP for 754 uses the standard Nforce3-250 that doesn't have the Gigabit port; so they stick the ICS-1883 PHY on the NForce3, and add the Marvell Gigabit controller to the PCI bus. <br> <br>For socket 939, the GA-K8NSNXP-939, they switch to the NForce3-Ultra, but don't change anything else on the board. So oddly, the on-chip Gigabit-capable ethernet port is still linked to the ICS-1883 10/100 PHY, and the Marvel Gigabit LAN still links to the 33Mhz 32-bit PCI bus (much too slow for Gigabit Ethermet, SATA controller, firewire and PCI slots!) <br> <br>Piss-poor execution I say. Would it have been that hard to switch out the ICS 1883 PHY for a Gigabit capable one? They could leave the Marvel one alone, and offer Dual-Gigabit at essentially the same price. <br></span> <div class="clear"></div> </li> </ul> </div> <nav class="page_nav"> <ul> <li> <div class="a"><label for="">1</label></div> </li> <li> <a class="jqc" href="/Show/Index/1420?cPage=2&all=False&sort=0&page=1&slug=#comments">2</a> </li> <li> <a class="jqc" href="/Show/Index/1420?cPage=3&all=False&sort=0&page=1&slug=#comments">3</a> </li> <li class="arrow"> <a class="jqc" href="/Show/Index/1420?cPage=2&all=False&sort=0&page=1&slug=#comments">▶</a> </li> </ul> </nav> </div> </section> <aside class="sidebar"> <div id="side_ad"> </div> <article class="pipeline_stories"> <div class="pipeline_title"> <h2><a href="/pipeline">PIPELINE STORIES</a> </h2> <a href="mailto:tips@anandtech.com">+ Submit News</a> <div class="clrflt"></div> </div> <strong> <a href="/show/21539/sabrent-rocket-nano-v2-external-ssd-review-phison-u18-in-a-solid-offering">Sabrent Rocket nano V2 External SSD Review: Phison U18 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nForce3-250: Which Boards Have On-Chip LAN?