symbios logic J21971S-0398, Руководство по установке

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Host Interface
SCSI Interface
Revision A, March 1998 Technical Reference 65
SCSI Drive Pin Assignments and Signals
Table 12 lists the SCA-2 interface pin assignments for the SCSI disk
drives. Table 13 on page 66 describes each SCSI signal.
Table 12 SCA-2 Interface Pin Assignments
6 6 6 6
1 +12 V charge 21 DB(7) 41 GROUND 61 GROUND
2 +12 V 22 DB(6) 42 GROUND 62 GROUND
3 +12 V 23 DB(5) 43 GROUND 63 GROUND
4 +12 V 24 DB(4) 44 Mated 1 64 GROUND
5 NC (Opt. 3.3 V) 25 DB(3) 45 NC (Opt. 3.3 V charge) 65 GROUND
6 NC (Opt. 3.3 V) 26 DB(2) 46 GROUND 66 GROUND
7 DB(11) 27 DB(1) 47 GROUND 67 GROUND
8 DB(10) 28 DB(0) 48 GROUND 68 GROUND
9 DB(9) 29 DB(P1) 49 GROUND 69 GROUND
10 DB(8 30 DB(15) 50 GROUND 70 GROUND
11 I/O 31 DB(14) 51 GROUND 71 GROUND
12 REQ 32 DB(13) 52 GROUND 72 GROUND
13 C/D 33 DB(12) 53 GROUND 73 GROUND
14 SEL 34 +5 V 54 GROUND 74 Mated Ground
15 MSG 35 +5 V 55 GROUND 75 GROUND
16 RST 36 +5 V charge 56 GROUND 76 GROUND
17 ACK 37 SYNC + 57 GROUND 77 ACTIVE_LED
18 BSY 38 RMT_START 58 GROUND 78 DLYD_START
19 ATN 39 SCSI ID0 + 59 GROUND 79 SCSI ID1 +
20 DB(P) 40 SCSI ID2 + 60 GROUND 80 SCSI ID3 +