Specifications

78 MDR User Guide

OutputStartSignal

Select the start signal the data receiver uses to trigger the MDR when starting a

playback operation. The

PIO1 (resp. PIO2) signal is used if this item is set to PIO1

(resp. PIO2). The value Disable is used to disable this feature: in this case, the MDR

do not trigger the data source.

If this item is missing then the MDR is not triggered by the data receiver and will

start sending data as soon as the playback command is received.

TransferOptions

Select the transfer options. The transfer option value can be expressed either in

decimal or hexadecimal and is built using a bit mask:

• Bit 0: DPIO DMA Pause/Resume.

Set this bit to

1(0) to enable (disable) the DMA Pause/Resume mechanism

used when recording data. This mechanism allows the FPDP SUSPEND

signal to be used to signal when all the memory buffers used by the MDR are

full and when the source should pause the data transfer.

This option is only valid when the

SuspendSignal item is set to Enable.

[Servers]

This section contains information the MDR Shell needs to know about the servers it

should try to connect to.

Hostname of server X (where X is a decimal number).This parameter is only needed

by the MDR Shell program. If any

sX items are defined then the MDR Shell will

prompt the user for the MDR Server hostname.

[SCSI]

This section contains information the MDR Server needs to know about the SCSI

modules installed on the MDR.

ScsiTapeBusId

Bus identification number used by the tape drive connected to the SCSI PMC board.

This number is a decimal number between 0 and 15 except 7 (this Id is used by the

SCSI PMC controller). If this item is not present then 0 is used as default bus ID.

10.4 VxWorks configuration file (vxbsp.ini)

Below is a list of the

vxbsp.ini parameters that are relevant to the MDR configuration:

[SysMemCfg]

This section contains information the BSP needs to know about the memory

configuration of the system on the MIDAS board.

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