Internal View; System Board Set - NEC EXPRESS5800/180Ra-7 User Manual

Internal View

Figure 1-5 shows the board set and features inside the BSU.
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System Board Set

The system board set inside the BSU includes the baseboard, memory board, CPU
boxes (8-way systems only), system I/O board, I/O riser board, system back panel,
SCSI back panels, and device BP1 and BP2.
Figures 1-6, 1-7, 1-8, and 1-9 show the major components on the system baseboard,
system I/O board, I/O riser board, and the memory board. Table 1-5 summarizes the
features of the board set.
1-12 System Overview
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PCI boards
System I/O board
Power supplies
System back panel
SCSI backpanel (for 5.25-inch devices)
5.25-inch removable media bays
3.5-inch diskette unit
3.5-inch SCSI hard disk drive bays
SCSI backpanel (located behind SCSI hard drives)
Slim CD-ROM drive
DIMMs
Memory board
Baseboard
CPU boxes (optional)
I/O riser board
Figure 1-5 Internal View (BSU Only)
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