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中国DOS联盟论坛 » DOS学习入门 & 精彩文章（教学室） » Why do the optical mouse and keyboard still have power after shutdown?? View 2,624　Replies 15

Original Poster Posted 2003-07-17 00:00　·　中国四川南充中移铁通

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The motherboard is an EPoX 8RDA+ULTRA, the system is WIN98, and the power supply is a Dafengche 300W.
Every time after shutting down, the optical mouse and keyboard (Logitech optical set) still won't lose power. The mouse light stays on, and the keyboard's "Numlock" light also stays on. I don't know why.

Floor 2 Posted 2003-07-17 00:00　·　中国河南驻马店联通

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This is very normal, because even if it has already been shut down, as long as the host power supply is still connected, the system's peripheral circuits are still working.

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Floor 3 Posted 2003-07-17 00:00　·　中国香港

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You probably set "+5VSB" (standby) on the board......

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Floor 4 Posted 2003-07-17 00:00　·　中国四川南充中移铁通

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The following is quoted from Roy's post at 2003-7-17 12:43:55:
You probably set "+5VSB" (standby) on the board......

Is it in the BIOS??? But I didn't set it. Which item can I change it under?

Floor 5 Posted 2003-07-17 00:00　·　中国香港

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It's a jumper setting on the board.......

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Floor 6 Posted 2003-07-17 00:00　·　中国上海电信

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There is an option in the BIOS called USB POWER, just turn it off!

Floor 7 Posted 2003-07-17 00:00　·　中国四川成都中移铁通

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So who's right exactly???

Floor 8 Posted 2003-07-17 00:00　·　中国上海电信

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They're both right. It's different for different motherboards.
Why not just try it and see!
Anyway, when I ran into this problem before, that's how I solved it!

Floor 9 Posted 2003-07-18 00:00　·　中国湖南衡阳中移铁通

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The following is quoted from Roy's post at 2003-7-17 12:51:50:
It's a jumper setting on the board.......

This is correct.

Floor 10 Posted 2003-07-18 00:00　·　中国上海电信

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Older motherboards use jumpers on the motherboard,
newer boards use BIOS software settings,
the purpose is to make things more convenient for everyone.

Floor 11 Posted 2003-07-18 00:00　·　中国四川南充中移铁通

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The following is quoted from 沈洁's post at 2003-7-17 14:15:04:
There is an option in the BIOS called USB POWER, just turn it off!

My BIOS doesn't have a "USB POWER" option. It has these two items: "USB KEYBOARD SURPPORT" and "ENHANCE USB COMPATIBILITY". They're both under "INTERGRATED PERIPHERALS". I don't know which one to set.

Floor 12 Posted 2003-07-18 00:00　·　中国山东济南联通

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I think it's probably power-on by keyboard

Floor 13 Posted 2003-07-23 00:00　·　中国吉林长春联通

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I'm a DOS newbie too, and I don't understand what's going on either, so I came to take a look. Didn't expect you to cast a curse

I'm dizzy, maybe that method only works for me As for other people~~~~~~~~~~~~~~ who would still dare meddle in "other people's business" next time?

Floor 14 Posted 2003-07-23 00:00　·　中国广东广州教育网

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Floor 15 Posted 2003-07-24 00:00　·　中国四川南充中移铁通

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The following is quoted from 34395845's post at 2003-7-23 3:41:25:
I'm a DOS newbie too, and I don't understand what's going on either, so I came to take a look. Didn't expect you to cast a curse

I'm dizzy, maybe that method only works for me  As for other people~~~~~~~~~~~~~~ who would still dare meddle in "other people's business" next time?

Cast a curse????? I'm dizzy too~~ don't get it!

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