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Re:appropriate name for the device?
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Digital VCRs
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· Score: 1
Nope, they've still got analog (RF even!) bits in them. Data being sent to you is probably in some QAM format and demodulated by the cable modem. Your data is likely modulated in QPSK (easier to send back over crappy equipment) so a cable modem really is a modem.
Use the printer port. You have 8 outputs (bidirectional if you're lucky), 5 inputs and 4 open collector pseudo-bidirectional signals. Great fun, and basically no cost. If you have a highly valued motherboard, invest in a spare parallel port ISA card for about $15 bucks...
An ATX supply provides a standby power output (called "+5VSB") which the motherboard can use for soft power control. This standby power can power the circuit that decides if the main supply rails should be switched on or not.
Just a little note: Not all ATX power supplies will work with this setup. At work we use ATX supplies for bench-testing some of our equipment (non-PC) and at least one ATX supply will not power up with the PS-ON connected to ground. The power supply will only switch on when the PS-ON signal goes from being open to being grounded. I don't think anyone will have a problem with most of the ATX supplies out there, but some of them won't work with this mod.
An AT-style power supply connector usually cannot be installed "backwards" in that the connector is rotated 180 degrees, but "backwards" in the sense that the two connectors are swapped. Simple rule for AT power supplies: "Black to Black" - the five or so black ground wires should always be in the center of the two plugs.
Yeah, it sounds like a standard digital I/O card was connected up basically to emulate pushing the reset button on the front panel. Omega Engineering makes a lot of varieties of these things, and will send you scads of literature and stacks of Dilbert comics too. See Omega Engineering TTL I/O cards for some of the available ones. Nothing too exciting, just a very practical use.
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Now send an email to jjb@powersite.net and complain that alexgurry spamed his click-through page. This email is listed on the trafficcash site as the "questions or comments" contact. Or, if it's local for you, call 1-954-563-9008.
Thank you.
Nope, they've still got analog (RF even!) bits in them. Data being sent to you is probably in some QAM format and demodulated by the cable modem. Your data is likely modulated in QPSK (easier to send back over crappy equipment) so a cable modem really is a modem.
Use the printer port. You have 8 outputs (bidirectional if you're lucky), 5 inputs and 4 open collector pseudo-bidirectional signals. Great fun, and basically no cost. If you have a highly valued motherboard, invest in a spare parallel port ISA card for about $15 bucks...
An ATX supply provides a standby power output (called "+5VSB") which the motherboard can use for soft power control. This standby power can power the circuit that decides if the main supply rails should be switched on or not.
Just a little note: Not all ATX power supplies will work with this setup. At work we use ATX supplies for bench-testing some of our equipment (non-PC) and at least one ATX supply will not power up with the PS-ON connected to ground. The power supply will only switch on when the PS-ON signal goes from being open to being grounded. I don't think anyone will have a problem with most of the ATX supplies out there, but some of them won't work with this mod.
An AT-style power supply connector usually cannot be installed "backwards" in that the connector is rotated 180 degrees, but "backwards" in the sense that the two connectors are swapped. Simple rule for AT power supplies: "Black to Black" - the five or so black ground wires should always be in the center of the two plugs.
Yeah, it sounds like a standard digital I/O card was connected up basically to emulate pushing the reset button on the front panel. Omega Engineering makes a lot of varieties of these things, and will send you scads of literature and stacks of Dilbert comics too. See Omega Engineering TTL I/O cards for some of the available ones. Nothing too exciting, just a very practical use.