Agilent Technologies 16900A

Theory of Operation 8
16900A, 16902A, and 16903A Service Guide 105
CPU subsystem
The CPU subsystem includes the following.
• CPU board (more on page 109)
• Disk drives (more on page 109)
• Power (more on page 109)
PCI board
The following PCI board subsystem block diagram includes:
• PCI bridge (more on page 110)
• Module FPGA (more on page 110)
• Video circuit (more on page 110)
• PLD (more on page 110)
PLD
PCI SLOT
CONNECTOR
PCI to PCI
BRIDGE IC
MODULE FPGA
VIDEO IC
MIB BOARD
CONNECTOR
Rear panel
power switch
CPU COM2
connector
ROM
RAM