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Интерфейс ESDI - разводка кабеля, техническая информация, описание
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ESDI
The ESDI interface requires two cables, one for control and one for data. The control cable is shared between the two drives. But each drive has each own data cable. By twisting some wires on the control cable it won't be necessary to set the ID for each drive, since the twist will do the job. Wires 25 to 29 should be twisted between drive 1 & drive 2.
Controller Drive 2 Twist Drive 1 +--+ +--+ +--+ |::|===================| |============| | <-Pin 1 |::|===================| |============| | |::|===================| |============| | |::|===================| |============| | |::|===================| |=====\/=====| | |::|===================| |=====/\=====| | |::|===================| |============| | +--+ +--+ +--+
Control cable
(to the Controller)
(to the Drive 2)
(to the Drive 1)
34 PIN IDC FEMALE to the Controller.
34 PIN IDC FEMALE to the Drive 2.
34 PIN IDC FEMALE to the Drive 1.
| Controller | Drive 1 | Drive 2 | |
|---|---|---|---|
| Wire 1-24 | 1-9 | 1-9 | 1-9 |
| Wire 25 | 25 | 29 | 25 |
| Wire 26 | 26 | 28 | 26 |
| Wire 27 | 27 | 27 | 27 |
| Wire 28 | 28 | 26 | 28 |
| Wire 29 | 29 | 25 | 29 |
| Wire 30-34 | 30-34 | 30-34 | 30-34 |
Data cable
(to the Controller)
(to the Drive)
20 PIN IDC FEMALE to the Controller.
20 PIN IDC FEMALE to the Drive.
| Controller | Drive | |
|---|---|---|
| Wire 1-20 | 1-20 | 1-20 |
| Contributor: | Joakim Цgren |
| Source: | TheRef TechTalk |
Информация предоставлена справочником The Hardware Book Team 1996-2004.
| Навигатор: QRZ.RU > Радиолюбительские справочники > Справочник компьютерного инженера |