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3.3V. 5V. ( 10k ). ( 1k ). Eject Button. EJ. DSP. MD. 3.3V. 5V. ( 1k ). ( 4.7k ). GPIO. 3.3V. 3.3V. Device Power. Chipset. R2. R1. 10k. 10k. MD / DA. MD / DA. GPIO. DP. DP. AHCI Interlock Pin. 1k (+/-10%). Host. Device ( Tray model ).
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3.3V 5V ( 10k ) ( 1k ) Eject Button EJ DSP MD 3.3V 5V ( 1k ) ( 4.7k ) GPIO 3.3V 3.3V Device Power Chipset R2 R1 10k 10k MD / DA MD / DA GPIO DP DP AHCI Interlock Pin 1k (+/-10%) Host Device ( Tray model ) Host, if uses MD/DA pin as Device Attention (DA), shall pull it up to 3.3V, and shall not connect it to the Ground. If device uses MD/DA pin as Manufacturing Diagnostic (MD), these parts may (or may not) be added, depending on device unique MD spec.