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EMU
Cache module A
Figure 1–6. Location of Controllers and Cache Modules
IMPORTANT: Compaq recommends that you use the slots for controller A and
cache module A for single controller configurations. Slot A responds to SCSI tar-
get ID number 7 on the device buses and slot B responds to SCSI target ID num-
ber 6 on the device buses.
Operator Control Panel
The operator control panel (OCP) contains a reset button and six port button LEDs as
shown in Figure 1–7. The reset button flashes about once per second to indicate that
the controller is operating normally. The port button LEDs correspond to the
controller's device ports and remain off during normal operation. If an error occurs,
the reset button and LEDs will illuminate in a solid or flashing pattern to help you
diagnose the problem.
PVA
Controller A
Controller B
Cache module B
CXO6283A
Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide
1–13
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