Acer SmartRAID V Bedienungsanleitung PDF herunterladen (Seite 28)

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About Your New SmartRAID V Controller

You can use an SX405x Bus Expansion Module to expand a Millennium

controller with one or two additional SCSI channels or with one Fibre

Channel Arbitrated Loop (FC-AL) port. Millennium Fibre Channel

controllers can be expanded with one additional FC-AL port. By using an

SX4055F Bus Expansion Module, Fibre Channel and SCSI buses can

coexist on the same SCSI controller (PM375xU2 models only). SX405x Bus

Expansion Modules are daughter cards that attach to the SmartRAID V

controller and do not require an additional card slot in the host system.

The PM3755U2B controller can be upgraded to include a battery-backed

cache by adding a BB4050 battery module.

• For controlling DPT RAIDstation storage cabinets or other

manufacturers’ cabinets, Millennium SCSI controllers provide a

Very High Density Cable Interconnect (VHDCI) 0.8 mm external

connector.

• To simultaneously control SCSI devices mounted in the host system,

Millennium SCSI controllers provide an internal, high-density 68-pin

connector.

• The Millennium Fibre Channel controller provides a single High

Speed Serial Data Connector (HSSDC) for external connections. Dual

loop redundancy is available by adding an SX4055F Expansion Module.

The memory sockets on a Millennium controller accept up to 256MB of

cache for maximum performance. For maximum data protection, use the

DPT ECC SIMMs or DIMMs listed below:

Model Description

SM4050-16 16 MB ECC SIMM

SM4050-64 64 MB ECC SIMM

DM4050-16 16 MB ECC DIMM

DM4050-64 64 MB ECC DIMM

DM4060-16 16 MB ECC DIMM

DM4060-64 64 MB ECC DIMM

NOTE The PM3755U2B controller only accepts DM4050 or DM4060

modules. Do not use non-DPT DIMMs for this controller.

The PM3754U2 controller can use either standard 32- or 36-bit

single-

sided, low-profile 60ns (or faster) EDO SIMMs. However, standard EDO

SIMMs do not provide ECC data protection. The PM3754U2 data cache is

protected by ECC only when DPT SM4050 memory modules are installed.

The green ECC Enabled LED is lit when DPT memory is installed. Refer

to Appendix A, “Assembly Drawings” for the location of this LED.

The parity bit is not used on 36-bit EDO SIMMs. However, the SIMMs will function in the controller as

non-parity memory.

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