IBM DDRS-39130 - Ultrastar 9.1 GB Hard Drive

6.1.5 SCSI Bus Electrical Characteristics
| 6.1.5.1 SE model
The interface logic signals has the following electrical specifications:
Inputs : Input High Voltage = 2.0 V min.
Input Low Voltage = 0.8 V max.
Outputs : Output High Voltage = High Impedanc
Output Low Voltage = 0.5 V max./IO=48mA
Figure 20. Logic Signal Levels
| 6.1.5.2 LVD model
| SCSI Bus Electrical Characteristics of LVD models comply with ANSI SPI-2 T10 Project 1142D Revision
| 19.
28 OEM Spec. of DDRS-3xxxx