ekZepp@lemmy.world to Programmer Humor@programming.devEnglish · 3 days agoVintagelemmy.worldimagemessage-square315fedilinkarrow-up11.3Karrow-down114
arrow-up11.28Karrow-down1imageVintagelemmy.worldekZepp@lemmy.world to Programmer Humor@programming.devEnglish · 3 days agomessage-square315fedilink
minus-squarecheet@infosec.publinkfedilinkarrow-up41·3 days agoPS2 keyboards use interrupts rather than polling in USB, meaning every time a key is pressed the CPU stops what its doing to process it.
minus-squaredrath@lemmy.worldlinkfedilinkarrow-up5·2 days agoI’m wondering, is it still the case for mobos with Super IO?
minus-squaredan@upvote.aulinkfedilinkarrow-up4·2 days agoSuper IO does still use interrupts as far as I know. The PS/2 protocol is interrupt-driven, so it’s not possible to use a PS/2 keyboard or mouse without interrupts.
minus-squaremfed1122@discuss.tchncs.delinkfedilinkEnglisharrow-up5·3 days agoCool! I had no idea it was deeper than just a physical interface change.
minus-squareDeebster@infosec.publinkfedilinkarrow-up1·2 days agoAnd having to pick your IRQ when installing anything into your machine, and the weird bugs that could happen if you mucked it up.
minus-squareTaleya@aussie.zonelinkfedilinkEnglisharrow-up4·2 days agoI remember manually programming the cylinders and heads on a hdd into the bios. Kids these days got it easy
minus-squareobrien_must_suffer@lemmy.worldlinkfedilinkarrow-up2·2 days agoI had a little book with the settings for almost every brand and model of hard drive that existed when published.
minus-squareDeebster@infosec.publinkfedilinkarrow-up1·2 days agoAnd when the bits feel off the end and you had to wind them back on with a pencil.
PS2 keyboards use interrupts rather than polling in USB, meaning every time a key is pressed the CPU stops what its doing to process it.
I’m wondering, is it still the case for mobos with Super IO?
Super IO does still use interrupts as far as I know. The PS/2 protocol is interrupt-driven, so it’s not possible to use a PS/2 keyboard or mouse without interrupts.
Cool! I had no idea it was deeper than just a physical interface change.
And having to pick your IRQ when installing anything into your machine, and the weird bugs that could happen if you mucked it up.
I remember manually programming the cylinders and heads on a hdd into the bios. Kids these days got it easy
I had a little book with the settings for almost every brand and model of hard drive that existed when published.
And when the bits feel off the end and you had to wind them back on with a pencil.