SCSI 3
DB25 SCSI connector50 pin SCSI connector
Parallel printers and scsi
SAS is SCSI, it connects via a serial cable/connector instead of parallel (long and skinny) connector.
Its a SCSI cable with a 50pin HD SCSI 2 connector on one side and a 68pin SCSI 3 connector on the other.
Parallel printers and scsi
SCSI Harddrive:80-pin Connector The SCA interface was designed to provide a standard connection for systems using hot swappable drives. SCA interface drives connect to a SCSI backplane that provides power, configuration settings such as SCSI ID, and termination of the SCSI bus.
There are three.1. IDE2. Sata3. SCSI
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First of all, remember that SCSI II is obsolete and is not used today or rarely.SCSCI II stands for Small Computer System Interface (Revision 2)SCSI II operates with a 32-bit data bus with an A cable and a B cableThe A cable consisted of a 50 pin Centronics connector. Pin outs here: http://www.interfacebus.com/SCSI_Differential_A_Cable_Pinout.htmlThe optional B cable consisted of a 68 pin connector**Click on the related link below
The beauty of SCSI is that supports many physical interfaces. Fibre channel SCSI uses 4 "pins" which can be copper, or fibre optic cabling. Parallel scsi which you are probably asking about can use 25, 50 or 68 pins. So you should rephrase your question to specify the interface you are asking about ... but I guess that would liook kinda dumb, ... "How many pins does a 50-pin SCSI interface have" :)
Any compatible USB or Serial external CD-ROM drive should do good justice. If your ThinkPad supports SCSI interface and has a SCSI connector you can get a SCSI external drive. I would recommend Sony or Creative CD-ROM drive.