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Hardware Installation
Figure 2-1.
IIR Controller Component Layout
Terminators for
Channel A
Dual-channel
Ultra320
SCSI
Controller
167 mm
64-bit /
66MHz,
Universally
keyed, 3.3
and 5 volt,
PCI Interface
2.1.2
Installing the IIR Controller
1. Power-off the computer system.
2. Disconnect power cord(s) and remove the system cover.
3. Install the IIR controller into an available PCI slot. See
Use the appropriate bracket on the controller for your server platform.
Note:
4. Connect one end of the SCSI cable to the external VHDCI 68-pin connector or internal
68-pin LVD SCSI connector located on the IIR controller. Connect the other end of the
SCSI cable to the SCSI drives or drive enclosure.
Ensure that the end of the SCSI bus is properly terminated. See
Note:
for termination details.
5. Replace the system cover and reconnect power cord(s).
14
Low-profile Bracket
Standard Bracket
External VHDCI
LVD Connector
Channel A
Channel A
SCSI Termination
Power Jumpers
Channel B
Internal 68-pin
LVD Connector
IOP Mode Select Jumper
Alarm
SCSI Bus Termination
Jumpers
(J1)
®
®
Intel
80303
I/O Processor
64MB ECC SDRAM
Data Cache
56 mm
Front View
(J5)
Terminators for
Channel B
167 mm
(J4 )
PCI Bus Speed
66MHz = On
33MHz =Off
Power
Status
DMA Mode
Ch-B activity
Ch-A activity
Back View
Figure
2-2.
Section 2.3
Hardware Installation and User's Guide
Channel A
56 mm
in this guide
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