1. | © 2007 Lenovo ODD SATA connector Optional use P4 May 15, 2009 Yasuhiro Horiuchi Lenovo Japan,Ltd Email: horiucy@lenovo.com

2. | © 2007 Lenovo |l Page 2 of nn Presentation title and date change by using > View > Slide Master Technical Proposal : Slimeline connector ODD P4 Slim ODD with Serial ATA interface has P4 as MD (Manufacturing Diagnostic) for drive vendor testing. P1 as DP (Device Present) for Host use. There is requirement for power saving by +5V off system, this system is needed Eject bottom SW signal out. Lenovo propose to change from P4 MD to P4 MD/EJ, Manufacturing Diagnostic while drive vender testing in the MFG plant, Eject Switch signal out while Host side connection. Function selection of P4 can be done in both of F/W control and Electrical Jumper pin. This keeps backward compatibility and no additional cost with F/W control case

3. | © 2007 Lenovo |l Page 3 of nn Presentation title and date change by using > View > Slide Master SATA P4 MD/EJ ODC VCC5 Device power #4 (MD/EJ) 47K VCC3 10K 470 -EJECT VDD5 1K -MD Eject SW

4. | © 2007 Lenovo |l Page 4 of nn Presentation title and date change by using > View > Slide Master