MOTOROLAMVME2400 PCI Mezzanine Card

MOTOROLAMVME2400 PCI Mezzanine Card

DESCRIPTION

The MVME240x is a PCI Mezzanine Card (PMC) carrier board. It is based on the PowerPC™ 750 microprocessor, MPC750.Two front panel cutouts provide access to PMC

 I/O. One double-width or two single-width PMCs can be installed directly on the MVME240x. Optionally, one or two PMCspan PCI expansion mezzanine modules can be 

added to provide the capability of up to four additional PMC modules.

Two RJ-45 connectors on the front panel provide the interface to 10/100BaseT Ethernet, and to a debug serial port.

The following list is of equipment that is appropriate for use in an MVME240x system:

❏ PMCspan PCI expansion mezzanine module 

❏ Peripheral Component Interconnect (PCI) Mezzanine Cards (PMC)s 

❏ VMEsystem enclosure 

❏ System console terminal 

❏ Disk drives (and/or other I/O) and controllers 

❏ Operating system (and/or application software)

MVME240x Module

The MVME240x is a powerful, low-cost embedded VME controller and intelligent PMC carrier board. It includes support circuitry such as ECC SDRAM, PROM/Flash 

memory, and bridges to the Industry Standard Architecture (ISA) bus and the VMEbus. The unit’s PMC carrier architecture allows flexible configuration options and easy 

upgrades. It is also designed to support one or two PMCs, plus one or two optional PCI expansion mezzanine modules that each support up to two PMCs. The unit 

 occupies a single VMEmodule slot (except when optional PCI expansion mezzanine modules are also used).

The MVME240x interfaces to the VMEbus via the P1 and P2 connectors, which use the new 5-row 160-pin connectors as specified in the proposed VME64 Extension 

Standard. It also draws +5V, +12V, and –12V power from the VMEbus backplane through these two connectors. The +3.3V and 2.5V power, used for the PCI bridge chip 

and possibly for the PMC mezzanine, is derived onboard from the +5V power.

PCI Mezzanine Cards (PMCs)

The PMC slots on the MVME240x board are IEEE P1386.1 compliant. P2 I/O-based PMCs that follow the PMC committee recommendation for PCI I/O when using the 

5-row VME64 extension connector will be pin-out compatible with the MVME240x.

The MVME240x board supports both front panel I/O and rear panel P2 I/O through either PMC slot 1 or PMC slot 2. 64 pins of I/O from slot 1 and 46 pins of I/O from slot 2 

are routed directly to P2.

Hardware Installation

The following paragraphs discuss installing PMCs onto the MVME240x, installing PMCspan modules onto the MVME240x, installing the MVME240x into a VME chassis, 

and connecting an optional system console terminal.

Motorola strongly recommends that you use an antistatic wrist strap and a conductive foam pad when installing or upgrading a system. Electronic components, such as disk 

drives, computer boards, and memory modules, can be extremely sensitive to electrostatic discharge (ESD). After removing the component from its protective wrapper or 

from the system, place the component flat on a grounded, static-free surface (and, in the case of a board, component side up). Do not slide the component over any surface.

If an ESD station is not available, you can avoid damage resulting from ESD by wearing an antistatic wrist strap (available at electronics stores) that is attached to an active 

electrical ground. Note that a system chassis may not be grounded if it is unplugged.

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