Service manual

The <REFERENCE>(XBIB) is a standard VAXBI (T1043)
module with a VAXBI Corner, including a BIIC interface
chip, the primary interface between the VAXBI bus and
the <REFERENCE>(XBIB) node logic, a clock driver, and a
clock receiver. The <REFERENCE>(XBIB) gate array is used
mostly for data path logic. The VAXBI self-test OK LED is on
the VAXBI Corner, and the module self-test OK LED is at the
module edge opposite the connector edge.
Figure 7–2: <REFERENCE>(XBIB_TITLE)
ZIF
CONNECTOR
SEGMENTS
VAXBI
CORNER
msb-0061-89
MASTER
SEQUENCER
YELLOW
SELF-TEST
LED
YELLOW
SELF-TEST
LED
BIIC
CLOCK
RECEIVER
CLOCK
DRIVER
GATE
ARRAY
SLAVE
SEQUENCER
DWMBB I/O Adapter 7–3