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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Таблица 3

Внешние разъемы LD50 и HD50 SCSI

Single-Ended SCSIDifferential SCSIHD-50 Single-Ended SCSIDifferential SCSIHD-50
Signal nameSignal namePin#Signal nameSignal namePin#
  
Ground+ Data Bit 01Data Bit 0? Data Bit 026
Ground+ Data Bit 12Data Bit 1? Data Bit 127
Ground+ Data Bit 23Data Bit 2? Data Bit 228
Ground+ Data Bit 34Data Bit 3? Data Bit 329
Ground+ Data Bit 45Data Bit 4? Data Bit 430
Ground+ Data Bit 56Data Bit 5? Data Bit 531
Ground+ Data Bit 67Data Bit 6? Data Bit 632
Ground+ Data Bit 78Data Bit 7? Data Bit 733
Ground+ Parity Bit 09Parity Bit 0? Parity Bit 034
GroundGround10GroundGround35
GroundGround11GroundGround36
ReservedReserved12ReservedReserved37
GroundGround13Term-n PowerTerm-n Power38
ReservedReserved14ReservedReserved39
GroundGround15GroundGround40
Ground+ Attention16Attention? Attention41
GroundGround17GroundGround42
Ground+ Busy18Busy? Busy43
Ground+ Acknowledge19Acknowledge? Acknowledge44
Ground+ Reset20Reset? Reset45
Ground+ Message21Message? Message46
Ground+ Select22Select? Select47
Ground+ C/D23C/D? C/D48
Ground+ Request24Request? Request49
Ground+ I/O25I/O? I/O50
 
Таблица 4

Разъем HE50 SCSI

Single-Ended SCSIDifferential SCSIHE-50 Single-Ended SCSIDifferential SCSIHE-50
Signal nameSignal namePin#Signal nameSignal namePin#
  
Ground+ Data Bit 01Term-n PowerTerm-n Power26
Ground? Data Bit 02ReservedReserved27
Ground+ Data Bit 13ReservedReserved28
Ground? Data Bit 14GroundGround29
Ground+ Data Bit 25GroundGround30
Ground? Data Bit 26Ground+ Attention31
Ground+ Data Bit 37Attention? Attention32
Ground? Data Bit 38GroundGround33
Ground+ Data Bit 49GroundGround34
Ground? Data Bit 410Ground+ Busy35
Ground+ Data Bit 511Busy? Busy36
Reserved? Data Bit 512Ground+ Acnowledge37
Ground+ Data Bit 613Acknowledge? Acknowledge38
Reserved? Data Bit 614Ground+ Reset39
Ground+ Data Bit 715Reset? Reset40
Ground? Data Bit 716Ground+ Message41
Ground+ Parity Bit 017Message? Message42
Ground? Parity Bit 018Ground+ Select43
GroundGround19? Select? Select44
GroundGround20Ground+ C/D45
GroundGround21C/D? C/D46
GroundGround22Ground+ Request47
GroundReserved23Request? Request48
GroundReserved24Ground+ I/O49
GroundGround25I/O? I/O50

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