好文 SCSI Interface

SCSI Cables - HELP (The Official SCSI Cheat Sheet)
http://store.a2zcable.com/sccahetofscc.html


Single-Ended (SE) and Differential (High Voltage Differential, HVD) Signaling
http://www.pcguide.com/ref/hdd/if/scsi/prot_Diff.htm