Note
SCSI signals leading to connector P15 go through zero ohm resistors (R92-R100) before
terminating at P15. When the host board's PMC slot 2 is populated, and there is an IPMC
module in slot 1, there exists a possibility for contention on these signals.
Figure 1-1. IPMC761 with Default Switch Setting
P14
P13
C10
U12
U5
U3
Table 1-1. IPMC761 Jumpers
Jumper
Description
J1
Reserved 9PLD programming
header
J2
Port 3 Transmit Clock
J3
Port 4 Transmit Clock
P15
P12
P11
C8
S1
C7
C9
U11
U7
J3
C5
U6
J2
U4
U19
Y2
Y1
U2
C4
Y3
C2
J1
DS2
DS1
PIB BUSY
SCSI BUSY
Setting
N/A
1-2: driven by IPMC761
2-3: received by IPMC761
1-2: driven by IPMC761
2-3: received by IPMC761
IPMC7126E/7616E I/O Module Installation and Use (6806800A45B)
Chapter 1 Product Features
S1
C9
S2
2844 0905
C7
3