Ultra 320 Scsi Connectors - Supermicro X7DB8-X User Manual

Ultra 320 SCSI
Connectors
(*X7DB8-X only)
There are two SCSI connectors
on the motherboard. SCSI
Channel A is located at JA1,
and SCSI Channel B is located
at JA2. Refer to the table
below for the pin defi nitions of
the Ultra 320 SCSI connectors
located at JA1 and JA2.
A. SCSI Channel A
B. SCSI Channel B
A
B
Chapter 2: Installation
Ultra320 SCSI Drive Connector
Pin Defi nitions
Pin# Defi nition Pin # Defi nition
1 +DB (12) 35 -DB (12)
2 +DB (13) 36 -DB (13)
3 +DB (14) 37 -DB (14)
4 +DB (15) 38 -DB (15)
5 +DB (P1) 39 -DB (P1)
6 +DB (0) 40 -DB (0)
7 +DB (1) 41 -DB (1)
8 +DB (2) 42 -DB (2)
9 +DB (3) 43 -DB (3)
10 +DB (4) 44 -DB (4)
11 +DB (5) 45 -DB (5)
12 +DB (6) 46 -DB (6)
13 +DB (7) 47 -DB (7)
14 +DB (P) 48 -DB (P)
15 Ground 49 Ground
16 DIFFSENS 50 Ground
17 TERMPWR 51 TERMPWR
18 TERMPWR 52 TERMPWR
19 Reserved 53 Reserved
20 Ground 54 Ground
21 +ATN 55 -ATN
22 Ground 56 Ground
23 +BSY 57 -BSY
24 +ACK 58 -ACK
25 +RST 59 -RST
26 +MSG 60 -MSG
27 +SEL 61 -SEL
28 +C/D 62 -C/D
29 +REQ 63 -REQ
30 +I/O 64 -I/O
31 +DB (8) 65 -DB (8)
32 +DB (9) 66 -DB (9)
33 +DB (10) 67 -DB (10)
34 +DB (11) 68 -DB (11)
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