Kontron cPCI-DMXS64GX, Техническое справочное руководство

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Installing the Board
3.33
3.5.2. J4 Signal Specification
3.5.2.1. Power Management
Signal Pin Assignation Description
I2C-CLK A1 I2C clock signal
I2C-DATA B1 I2C data signal
LID C1 Reserved
EXT_FAN0_FAIL#
D1 Enclosure fan 0 fail
EXT_FAN1_FAIL#
E1 Enclosure fan 1 fail
SM_BYPASS# A2 Reserved
3.5.2.2. SCSI Interface
Signal Pin Assignation Description
SCSI:D0-D15
E7, D7, C7, B7, A7,
E6, D6, C6, E2, D2,
C2, B2, E8, D8, C8,
B8 SCSI Data – The SCSI data lines drive the ID during
arbitration and selection, and command and data
information as well as status and messages.
SCSI:IO#
A3
In/Out – Indicates the In direction when asserted and
the Out direction when not asserted.
SCSI: REQ#
B3 Request – A target will assert REQ to indicate a byte
is ready or is needed by the Target.
SCSI:C/D
C3 Command/Data – Indicates Command or message
phase when asserted, and Data phase when not
asserted.
SCSI: SEL#
D3
SCSI Select – The line is driven after a successful
arbitration to select as an initiator or reselect as a
target and otherwise it is received.
SCSI: SMSG
E3 SCSI Message - Indicates a Message phase when
asserted, and Command or Data phase when not
asserted.
SCSI: RST#
A4 Reset – Signal is interpreted as a hard reset and will
clear all commands pending on the SCSI bus.
SCSI: ACK#
B4 Acknowledge – Indicate a byte is ready for or was
received from the Target.
SCSI: BSY# C4 Busy – Handshake signal used during arbitration.
SCSI: ATN#
E4 Attention – This line is activated when a special
condition occurs.
SCSI: TERMPWR C5, D5 Termination Power.
SCSI: DPH# A8 SCSI High Parity – Provide odd parity for data lines.
SCSI: DPH# B6 SCSI Low Parity – Provide odd parity for data lines