Keysight Technologies N9040B UXA Signal Analyzer Service Guide 213
CPU/Disk Drive Troubleshooting
A4 Processor Description
specification the A6 Power Supply assembly notifies the A4 Processor
assembly, which then comes out of reset and boots-up. Outputs from the A4
Processor assembly also drive the two front panel power state LEDs.
Provisions have also been made to allow the processor board to remember
which power state it was in when a power failure occurs. The instrument will
return to the same power state after a power failure.
Rear Panel Connectivity
The A4 Processor assembly has direct access to the rear panel of the
instrument.
The rear panel connections provided on the A4 Processor assembly are:
—GPIB Interface
— Cabled PCIe x4 Interface
— LAN (RJ45) 10/100/1000 based-T Ethernet port
—USB Ports
— 2 x Super Speed USB 3.0 Host Ports
— 1 x Super Speed USB 3.0 Device Port
— 1 x High Speed USB 2.0 Host Port
— DisplayPort Video Output
—VGA Output
— SD Memory Card Slot (Accessible only when A5 disk drive is removed)
Figure 8-1 A4 Processor Assembly Rear Panel Connectivity
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