IBM PC




Внутренние разъёмы


Самый распространенный внутренний разъём, применяемый в устройствах SCSI, ? HE68Male (табл. 2) и HE50Male (табл. 4).

Таблица 2

Внешний и внутренний разъем HD68. Применяется в интерфейсах SCSI-2,3. Определен стандартом SPI (1995г.)

Single-Ended SCSIDifferential SCSIHD-68 Single-Ended SCSIDifferential SCSIHD-68
Signal nameSignal namePin#Signal nameSignal namePin#
  
Ground+ Data Bit 121Data Bit 12? Data Bit 1235
Ground+ Data Bit 132Data Bit 13? Data Bit 1336
Ground+ Data Bit 143Data Bit 14? Data Bit 1437
Ground+ Data Bit 154Data Bit 15? Data Bit 1538
Ground+ Parity Bit 15Parity Bit 1? Parity Bit 139
Ground+ Data Bit 06Data Bit 0? Data Bit 040
Ground+ Data Bit 17Data Bit 1? Data Bit 141
Ground+ Data Bit 28Data Bit 2? Data Bit 242
Ground+ Data Bit 39Data Bit 3? Data Bit 343
Ground+ Data Bit 410Data Bit 4? Data Bit 444
Ground+ Data Bit 511Data Bit 5? Data Bit 545
Ground+ Data Bit 612Data Bit 6? Data Bit 646
Ground+ Data Bit 713Data Bit 7? Data Bit 747
Ground+ Parity Bit 014Parity Bit 0? Parity Bit 048
GroundGround15GroundGround49
GroundDiffsens16GroundGround50
Term-n PowerTerm-n Power17Term-n PowerTerm-n Power51
Term-n PowerTerm-n Power18Term-n PowerTerm-n Power52
ReservedReserved19ReservedReserved53
GroundGround20GroundGround54
Ground+ Attention21Attention? Attention55
GroundGround22GroundGround56
Ground+ Busy23Busy? Busy57
Ground+Acknowledge24Acknowledge? Acknowledge58
Ground+ Reset25Reset? Reset59
Ground+Message26Message? Message60
Ground+ Select27Select? Select61
Ground+Com./Data28Com./Data?Com./Data62
Ground+ Request29Request? Request63
Ground+Input/Outpt30Input/Output? Input/Output64
Ground+ Data Bit 831Data Bit 8? Data Bit 865
Ground+ Data Bit 932Data Bit 9? Data Bit 966
Ground+ Data Bit 1033Data Bit 10? Data Bit 1067
Ground+ Data Bit 1134Data Bit 11? Data Bit 1168
 
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