| --- Log opened Fri Sep 28 00:00:59 2007 |
| 00:08 | <@McMartin> | Parser.ml: 237 lines |
| 00:08 | <@McMartin> | Time to test it. |
| 00:20 | <@McMartin> | Yay, victory on pass 3! |
| 00:21 | <@McMartin> | parse_stmt now also working |
| 00:22 | <@McMartin> | Now for the top-level "compilation units", though this isn't, strictly speaking, compiled |
| 00:23 | | Pi [~sysop@Nightstar-6875.hsd1.wa.comcast.net] has joined #code |
| 00:23 | | mode/#code [+o Pi] by ChanServ |
| 00:38 | | Mischief [~Genesis@Nightstar-7565.hsd1.md.comcast.net] has joined #code |
| 00:38 | < Mischief> | Two PSUs on one board is generally a bad idea, right? |
| 00:39 | | * ToxicFrog eyes Orias, which has two PSUs, and the SG-8000 and SG-8100, which also have two, and multiply-rendundant server platforms the world over... |
| 00:39 | < Mischief> | I tried using Y/Y/B/B for a CPU power connector, when the voltages SHOULD be Y/B/O/R |
| 00:40 | < Mischief> | I basically replaced the power which is supposed to be 5.5 Volts with a wire that's 12 volts |
| 00:40 | <@ToxicFrog> | ... |
| 00:40 | <@ToxicFrog> | (1) What does this have to do with multiple PSUs? |
| 00:40 | <@ToxicFrog> | (2) What the hell were you smoking? |
| 00:40 | < Mischief> | Because one PSU is running the CPU power, the other is running the main connector |
| 00:41 | < Mischief> | The volts are only potential energy, aren't they? |
| 00:41 | <@ToxicFrog> | ...er, no. |
| 00:41 | <@ToxicFrog> | You |
| 00:41 | < Mischief> | And the board will only draw what it needs. |
| 00:41 | <@ToxicFrog> | You're thinking of the wattage rating. |
| 00:41 | | * Mischief instantly blames TheDagda, who told him so |
| 00:41 | <@ToxicFrog> | Which is the maximum power draw the PSU will support. |
| 00:41 | < Mischief> | I don't have any PSUs with an orange wire, though! |
| 00:42 | < Mischief> | Except for the one with the ATX 20 pin, but that's needed |
| 00:42 | <@ToxicFrog> | Voltage is, loosely speaking, the "pressure" of the electricity, and hooking 12V up to something expecting 5V is almost guaranteed to destroy it unless it has serious overpower tolerances, which CPUs generally don't. |
| 00:42 | | * Mischief wasn't even sure it works anyways, isn't that worried. :P |
| 00:42 | < Mischief> | The CPU didn't even heat up |
| 00:43 | < AnnoDomini> | Heh. I once used two PSUs - when connecting another CD drive into a box, and having another box nearby. Neither of the two PSUs in the boxes could have handled all the drives, due lack of plugs, so me and a friend connected the extra drive to the other box's PSU, and flipped them on as simultaneously as we could. It worked, too. |
| 00:43 | <@ToxicFrog> | As far as hooking up multiple PSUs to the same board in general, I've done that several times with no problems, you just have to be sure to hook up everything properly. |
| 00:44 | < Mischief> | Well I don't have the choice, as I only have 1 ATX PSU |
| 00:44 | < Mischief> | (That's not in use) |
| 00:44 | < Mischief> | And it has no 4 Pin CPU power connectors |
| 00:45 | <@ToxicFrog> | Unsurprising. Still, any ATX power supply should have at least two +5V lines (and three +3.3V lines and two +12V lines) |
| 00:46 | < Mischief> | Have you ever had chocolate that was dipped in Liquid Nitrogen? |
| 00:46 | <@ToxicFrog> | Certainly it will have at least one of each of the voltages required by the CPU connector. |
| 00:46 | < Mischief> | I ate some, and it got stuck to my tongue. |
| 00:46 | < Mischief> | And it doesn't. |
| 00:47 | <@ToxicFrog> | Then it's not ATX. |
| 00:47 | < Mischief> | Yes, it is |
| 00:47 | < Mischief> | ATX classified by the board connector, as it has an ATX 20 pin |
| 00:48 | < Mischief> | Which HAS orange power wires on it, but don't you find it /stupid/ to splice good wires on a part that's needed? |
| 00:48 | <@ToxicFrog> | And an ATX 20 pin connector has at least one, and probably several each, of +12V, +5V, +3.3V, Ground, and -5V. |
| 00:48 | < Mischief> | Because, it doesn't really matter if the CPU works, if the board has no power. -.-; |
| 00:48 | <@ToxicFrog> | If it doesn't have all those, it's not ATX, even if it uses a physically similar connector. |
| 00:49 | <@ToxicFrog> | (oh, and -12V) |
| 00:49 | < Mischief> | Are you thinking of an ATX 20+4 pin? |
| 00:49 | <@ToxicFrog> | All ATX PSUs have these voltages. |
| 00:49 | < Mischief> | Look, even the PSU says ATX |
| 00:49 | <@ToxicFrog> | 20+4 adds some duplicate lines, but those are just additional connectors. |
| 00:49 | < Mischief> | I think you're confused. |
| 00:49 | <@ToxicFrog> | There are no new power rails. |
| 00:50 | < Mischief> | Very confused, by something I said. |
| 00:51 | <@ToxicFrog> | If you need +3.3V, +5V, +12V, and GND, and you can't get all of those off the power supply you're using, that is not an ATX power supply, as all ATX power supplies, regardless of connector layout, provide those voltages. |
| 00:51 | < Mischief> | I can get those voltages |
| 00:51 | < Mischief> | But I'd be getting them off the 20 pin connector |
| 00:51 | < Mischief> | Which would be stupid to splice up, don't you think? |
| 00:52 | <@ToxicFrog> | Eh, it's not that hard. |
| 00:52 | < Mischief> | No, it's not. |
| 00:52 | < Mischief> | But what's going to power the board after I splice up my 20 pin? :P |
| 00:53 | <@ToxicFrog> | The 20-pin connector. |
| 00:53 | <@ToxicFrog> | You splice from the feed wires to that to a 4-pin, and now you have a 20+4. |
| 00:53 | < Mischief> | Wouldn't that divide the voltage in half? |
| 00:54 | < Vornicus> | ...no? |
| 00:54 | < Mischief> | Because then it's drawing 3.3 volts from two wires which connect to one, which is only meant to handle 3.3v. So it's now handling 6.6v |
| 00:54 | | * Vornicus beats Mischief with a basic circuits book. |
| 00:55 | | * Mischief notes that's not helping. |
| 00:55 | <@ToxicFrog> | You're getting voltage and current badly mixed up. |
| 00:55 | <@ToxicFrog> | And I note that all the wires connect to the same internal voltage rails. |
| 00:56 | < Mischief> | Watt - energy available, Volts - pressure of power. |
| 00:56 | < Mischief> | AWG - max energy able to go through a wire and thickness |
| 00:57 | <@ToxicFrog> | If you splice the 3.3V wire, you now have two leads, each of which provides 3.3V |
| 00:57 | <@ToxicFrog> | The total amount of current you can draw remains the same, but that's fundamentally determined by the power supply itself, not by the number of connectors - a 400W PSU will top out at 400W power draw regardless of how many, or how few, connections to a given rail it has. |
| 00:58 | | Netsplit Troika.TX.US.Nightstar.Net <-> Blargh.CA.US.Nightstar.Net quits: +DiceBot, MinceR, @gnolam, Mischief, @Chalcedon |
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| 01:01 | <@ToxicFrog> | As I was saying. |
| 01:01 | <@ToxicFrog> | You're getting current and voltage confused. |
| 01:01 | <@ToxicFrog> | If you have a +3.3V line which can provide up to 100W of current, and you split it, you now have two 3.3V lines, which can provide up to 100W of current between them. |
| 01:02 | | * gnolam smacks ToxicFrog for measuring current in W. |
| 01:03 | <@ToxicFrog> | Erk, sorry |
| 01:03 | <@ToxicFrog> | 100W of power |
| 01:05 | < Mischief> | Ah |
| 01:06 | < Mischief> | Almost done splicing and capping |
| 01:08 | < Mischief> | Done |
| 01:08 | <@ToxicFrog> | Anyways - provided you stay within the load limits of your hardware, splicing to create new connectors works fine, and in fact I have done this to give Orias a set of IDE hard drive power connectors. |
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| 01:11 | < Mischief> | I can't get it to work |
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| 01:11 | < Mischief> | Because it's a Dell, obviously. |
| 01:11 | <@ToxicFrog> | ... |
| 01:11 | <@ToxicFrog> | Oh. |
| 01:11 | <@ToxicFrog> | Dell Is Not ATX. |
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| 01:12 | | * Mischief falls over |
| 01:12 | <@ToxicFrog> | They use the same connectors, but the pinouts are different, as is the number of lines of each voltage. |
| 01:12 | <@ToxicFrog> | And I'm not sure, but the color-coding may be different as well. |
| 01:12 | < Mischief> | It responds |
| 01:12 | < Mischief> | The power light on the mobo is ON |
| 01:12 | <@ToxicFrog> | Break out the multimeter to confirm voltages? |
| 01:12 | < Mischief> | The 4 pin CPU power I'm using is spliced from the old Mobo |
| 01:12 | < Mischief> | old PSU* |
| 01:12 | < Mischief> | I don't have a multimeter (It's not my fault) |
| 01:13 | < Mischief> | But the mobo gives me a greenlight when I run a screwdriver through it, but I need the special power switch circuit |
| 01:13 | < Mischief> | Which maintains the power. |
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| 01:23 | < Felyn> | Oh well, thanks anyways, guys |
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| 04:24 | <@Pi> | My mobo just gives me sparks when I run a screwdriver through it... |
| 04:33 | < Felyn> | o.o; |
| 04:33 | < Felyn> | I meant the startup key pins |
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| 04:34 | | * Mischief has gotten is 1.00 GHz proc to do 200,000 advanced molecular newton physics equations in just under 2 hours. XD |
| 04:50 | < Doctor_Nick> | but can it play video gaems |
| 05:27 | < Mischief> | Wait |
| 05:27 | < Mischief> | If I use a cord with 17 volts on it to my laptop without a power adapter - the amps and watts can be anything? |
| 05:27 | < Mischief> | Or do the amps and voltages have to be the same? |
| 05:27 | < Mischief> | (To the model specifics) |
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| 11:01 | < Kyrre> | Mischief, it'll burn. |
| 11:21 | < Mischief> | k |
| 11:25 | < Kyrre> | And you might also note that your power adaptor specifies amps. |
| 11:25 | < Kyrre> | And when you have amps and volts, watts are easy to obtain. |
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| 14:15 | < MinceR> | j0 |
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| 21:21 | <@McMartin> | Hmm |
| 21:21 | | * McMartin finds another pointless flaw in his design |
| 21:21 | | * MinceR redesigns McMartin. |
| 21:21 | | * McMartin encases MinceR in ice. |
| 21:21 | | * McMartin also marks a TODO near some datatype declarations. |
| 21:21 | < AnnoDomini> | McMartin: Are there pointful flaws in there, then? |
| 21:22 | | * MinceR breaks the ice and puts some into his drink. |
| 21:22 | < MinceR> | "If life gives you demons, make Demonade!" |
| 21:33 | <@McMartin> | AnnoDomini: There are a number of places where clarity is sacrificed for efficiency, and vice versa. |
| 21:33 | <@McMartin> | In implementing my design, I found some places where both are sacrificed for no purpose. |
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| 23:54 | <@McMartin> | Ha HA |
| 23:54 | <@McMartin> | My parser works |
| 23:55 | < MinceR> | ha ha ha ha .... |
| --- Log closed Sat Sep 29 00:00:06 2007 |