| ??? 01/12/05 16:26 Read: times |
#84845 - laptop hard drive logic voltage |
I have a development board that has a 50 pin interface that can be used for an IDE device. The logic voltage at all the pins is 3V. I would like to connect a laptop hard drive to this interface. I already built an adaptor board that matches up all the pins from the development board to the hard drive ( schematic that was given with the development board)
I've heard mixed things about the logic voltage for a laptop hard drive. I've heard 3V and 5V. My question is this; What is the logic voltage for a laptop hard drive? I've looked for spec sheets for laptop hard drives, but they don't mention this information. Any help or guidance would be appreciated. Thanks. |
| Topic | Author | Date |
| laptop hard drive logic voltage | 01/01/70 00:00 | |
| My laptop hard drive | 01/01/70 00:00 | |
| ATA specs | 01/01/70 00:00 | |
| ATA specs | 01/01/70 00:00 | |
| Level converters | 01/01/70 00:00 | |
| That's right | 01/01/70 00:00 | |
| should most often be used | 01/01/70 00:00 | |
| 3.3 Volts logic with 5V input ? | 01/01/70 00:00 | |
| LPC9xx has it !! | 01/01/70 00:00 | |
| OK TTL is now =xxV | 01/01/70 00:00 | |
| LPC9xx and 5V | 01/01/70 00:00 | |
| not beginners but ignorami | 01/01/70 00:00 | |
| Begginers or not | 01/01/70 00:00 | |
| well, look here | 01/01/70 00:00 | |
| latchup | 01/01/70 00:00 | |
| RTFM | 01/01/70 00:00 | |
| Cygnal Has It !! | 01/01/70 00:00 | |
| Cygnal and LPC9xx | 01/01/70 00:00 | |
| Incompatible? | 01/01/70 00:00 | |
| Inconpatible ? | 01/01/70 00:00 | |
| 5V tolerant | 01/01/70 00:00 | |
| 5V tolerant. | 01/01/70 00:00 | |
| Relax! | 01/01/70 00:00 | |
| OK is only for Rigo | 01/01/70 00:00 | |
| No more logic levels | 01/01/70 00:00 | |
| Logic Lines Not Hard Lines | 01/01/70 00:00 | |
| Only one answer possible. | 01/01/70 00:00 | |
this guy is crazy .... | 01/01/70 00:00 |