From fcdfccf9ef9ba9f78a807d894795e685c226f88e Mon Sep 17 00:00:00 2001 From: Kévin Le Gouguec Date: Sun, 9 Mar 2025 12:35:47 +0100 Subject: Regroup assembly & maintenance notes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The latter makes a couple of cross-references to the former. Considered using Org "internal links" and writing some glue to turn them into "text fragment" links¹, but… some other day. ¹ https://developer.mozilla.org/en-US/docs/Web/URI/Reference/Fragment/Text_fragments --- guides/sysadmin/machines/amdahl30/assembly.org | 43 ---------------------- guides/sysadmin/machines/amdahl30/maintenance.org | 44 +++++++++++++++++++++++ 2 files changed, 44 insertions(+), 43 deletions(-) delete mode 100644 guides/sysadmin/machines/amdahl30/assembly.org (limited to 'guides') diff --git a/guides/sysadmin/machines/amdahl30/assembly.org b/guides/sysadmin/machines/amdahl30/assembly.org deleted file mode 100644 index 873caa3..0000000 --- a/guides/sysadmin/machines/amdahl30/assembly.org +++ /dev/null @@ -1,43 +0,0 @@ -Lots of impedance mismatches between "documentation" and actual -hardware: -- CPU cooler (fan) has spring screws; diagrams show retention clips. - Had to dig into the [[https://www.amd.com/en/support/kb/faq/cpu-7][AMD knowledge base]] to find that some - motherboards come with "speculative" clips, which must be unscrewed - and removed in order to install the spring-screw cooler. -- Diagrams say to add thermal paste, but the fan already comes with a - pre-applied layer. -- Documentation shows RAM clips for both ends of the sticks; the - motherboard seems to only have clips for one end. -- =SYS_FAN1= header has 4 pins; front fan plug has 3 holes. The - Internet says it's fine ([[https://old.reddit.com/r/buildapc/comments/4139k8/3_pin_sys_fan2_vs_4_pin_sys_fan1/][[1]​]], [[https://forums.tomshardware.com/threads/sys_fan1-and-sys_fan2.3195778/][[2]​]]). -- Motherboard has [[https://www.msi.com/Motherboard/B550M-A-PRO/Specification]["8 mounting holes"]] but covers only 6 of the case's - standoffs; none of the diagrams in the case's manual match the - format of the motherboard. -- The diagram for inserting the power supply unit leaves a lot to the - imagination. -- The [[https://www.snia.org/forums/cmsi/knowledge/formfactors#U2][SSD dimension nomenclature]] is weird as hell. The SSD's user - manual seems to imply that I have a 2.5″ model, but my measuring - tape says the drive is 2.75″×3.875″ (diagonal 4.625″). -- The link to the LDLC guide for mounting the SSD is dead; the page is - [[https://web.archive.org/web/20170901191800/http://www.ldlc.com/guides/AL00000817/comment-installer-un-ssd-dans-un-pc/][archived]], and merely contains a link to a [[https://www.youtube.com/watch?v=t1dHVb6VuWU][video]]. No matter though, - since it does not describe how to mount the drive on a 2.5″ bay. -- The case user manual says to use specific screws for the SSD drive; - the SSD comes with its own set of screws. Are they meant for the - 3.5″ adapter? 🤷 - -For novices, some steps range from "not very reassuring" to "downright -hostile": -- The amount of force needed to connect the CPU fan's first two - diagonal screws is terrifying. -- The fan's case is asymmetric: one side has a small bump featuring - the maker's brand. If one does not attention when mounting the fan, - there is a 50% chance that this bump will get in the way of a RAM - stick. -- No instruction on [[https://www.youtube.com/watch?v=XAWNzd-gc3Q&t=74s][how to force that I/O shield in]]. -- No instruction on how to snap the motherboard into the I/O shield. -- Holy =$DEITY= that power supply unit has a *lot* of cables. And of - course I enthusiastically passed most of the small-headed ones - through the designated case hole, and had to pass them back out - because there was no room left to pass the 20-pin ATX connector. -- Power supply user manual was taped to the bubble wrap, so part of - the "warnings" section got torn off. diff --git a/guides/sysadmin/machines/amdahl30/maintenance.org b/guides/sysadmin/machines/amdahl30/maintenance.org index 7b25837..8598490 100644 --- a/guides/sysadmin/machines/amdahl30/maintenance.org +++ b/guides/sysadmin/machines/amdahl30/maintenance.org @@ -1,3 +1,47 @@ +* Assembly +Lots of impedance mismatches between "documentation" and actual +hardware: +- CPU cooler (fan) has spring screws; diagrams show retention clips. + Had to dig into the [[https://www.amd.com/en/support/kb/faq/cpu-7][AMD knowledge base]] to find that some + motherboards come with "speculative" clips, which must be unscrewed + and removed in order to install the spring-screw cooler. +- Diagrams say to add thermal paste, but the fan already comes with a + pre-applied layer. +- Documentation shows RAM clips for both ends of the sticks; the + motherboard seems to only have clips for one end. +- =SYS_FAN1= header has 4 pins; front fan plug has 3 holes. The + Internet says it's fine ([[https://old.reddit.com/r/buildapc/comments/4139k8/3_pin_sys_fan2_vs_4_pin_sys_fan1/][[1]​]], [[https://forums.tomshardware.com/threads/sys_fan1-and-sys_fan2.3195778/][[2]​]]). +- Motherboard has [[https://www.msi.com/Motherboard/B550M-A-PRO/Specification]["8 mounting holes"]] but covers only 6 of the case's + standoffs; none of the diagrams in the case's manual match the + format of the motherboard. +- The diagram for inserting the power supply unit leaves a lot to the + imagination. +- The [[https://www.snia.org/forums/cmsi/knowledge/formfactors#U2][SSD dimension nomenclature]] is weird as hell. The SSD's user + manual seems to imply that I have a 2.5″ model, but my measuring + tape says the drive is 2.75″×3.875″ (diagonal 4.625″). +- The link to the LDLC guide for mounting the SSD is dead; the page is + [[https://web.archive.org/web/20170901191800/http://www.ldlc.com/guides/AL00000817/comment-installer-un-ssd-dans-un-pc/][archived]], and merely contains a link to a [[https://www.youtube.com/watch?v=t1dHVb6VuWU][video]]. No matter though, + since it does not describe how to mount the drive on a 2.5″ bay. +- The case user manual says to use specific screws for the SSD drive; + the SSD comes with its own set of screws. Are they meant for the + 3.5″ adapter? 🤷 + +For novices, some steps range from "not very reassuring" to "downright +hostile": +- The amount of force needed to connect the CPU fan's first two + diagonal screws is terrifying. +- The fan's case is asymmetric: one side has a small bump featuring + the maker's brand. If one does not attention when mounting the fan, + there is a 50% chance that this bump will get in the way of a RAM + stick. +- No instruction on [[https://www.youtube.com/watch?v=XAWNzd-gc3Q&t=74s][how to force that I/O shield in]]. +- No instruction on how to snap the motherboard into the I/O shield. +- Holy =$DEITY= that power supply unit has a *lot* of cables. And of + course I enthusiastically passed most of the small-headed ones + through the designated case hole, and had to pass them back out + because there was no room left to pass the 20-pin ATX connector. +- Power supply user manual was taped to the bubble wrap, so part of + the "warnings" section got torn off. * Front panel The case's manual has a terse illustration with two arrows to pull the front panel "away and up" from the rest of the case. -- cgit v1.2.3