Drawing No. Sheet No. Revision 5
K6602906 36/46 2003/6/12
Table 11.4 Pin assignment of SCSI Bus Connector C1 (SCA-2, LVD mode)
Signal Name Connector contact No. Signal Name
12V 1 41 GND(12V Return)
12V 2 42 GND(12V Return)
12V 3 43 GND(12V Return)
12V 4 44 MATED1 (Note 2)
Open 5 45 Open
Open 6 46 DIFFSENS
-DB(11) 7 47 +DB(11)
-DB(10) 8 48 +DB(10)
-DB(9) 9 49 +DB(9)
-DB(8) 10 50 +DB(8)
-I/O 11 51 +I/O
-REQ 12 52 +REQ
-C/D 13 53 +C/D
-SEL 14 54 +SEL
-MSG 15 55 +MSG
-RST 16 56 +RST
-ACK 17 57 +ACK
-BSY 18 58 +BSY
-ATN 19 59 +ATN
-DB(P0) 20 60 +DB(P0)
-DB(7) 21 61 +DB(7)
-DB(6) 22 62 +DB(6)
-DB(5) 23 63 +DB(5)
-DB(4) 24 64 +DB(4)
-DB(3) 25 65 +DB(3)
-DB(2) 26 66 +DB(2)
-DB(1) 27 67 +DB(1)
-DB(0) 28 68 +DB(0)
-DB(P1) 29 69 +DB(P1)
-DB(15) 30 70 +DB(15)
-DB(14) 31 71 +DB(14)
-DB(13) 32 72 +DB(13)
-DB(12) 33 73 +DB(12)
5V 34 74 MATED2 (Note 2)
5V 35 75 GND(5V Return)
5V 36 76 GND(5V Return)
Reserved 37 77 LED(with 0 ohm)
AUTO START (Note 1) 38 78 -DELAY START (Note 1)
-ID0 (Note 1) 39 79 -ID1 (Note 1)
-ID2 (Note 1) 40 80 -ID3 (Note 1)
Note 1 When this signal is held to ground, it is regarded as LOW. When this signal is open,
it is regarded as HIGH. It can be driven by open collector driver.
Do not pull up this signal.
Note 2 The MATED2 signal is tied to ground, and the MATED1 signal is pulled up to HIGH
level in the drive. When the drive detects the MATED1 signal is held to LOW, the
drive regards the connection has completed. When the drive detects the MATED1
signal is held to HIGH, it regards the connection is incomplete.
