Bmm (Com Port And Usb Port); Hdd; Table 2.5 Io_Unit External Interfaces - Fujitsu PRIMEQUEST 480 System Design Manual

USB
RS-232C
SCSI
PCI-Box interface
PCI-Box interface side band 4
2.3.1

BMM (COM port and USB port)

The BMM is a board that manages input and output of a partition. Each partition
requires one BMM. Two BMMs can be mounted in an IO_Unit:
Each partition requires one BMM.
A Video port, two USB ports, and a COM port are also mounted on the BMM.
2.3.2

HDD

The HDD is connected to the SCSI-BP (SCBP). Four U320 SCSI 3.5-inch HDDs,
which are hot-pluggable, can be mounted.
HDD mirroring is supported with optional software.
For details, see Section
GDS)."
C122-B001-02EN

Table 2.5 IO_Unit external interfaces

External interface
6.4, "Redundancy of an HDD (Use of PRIMECLUSTER
Count
4 Mounted on optional BMM product
2
2 Ultra320-SCSI
4 Connected to optional PCI_Box
Connected to optional PCI_Box
2.3 IO_Unit
Remarks
2-11