B-12
Themis Computer
USPIIe-USB Hardware Manual
Table B-8.
PMC Carrier Board Solder-Bead Settings (Both Sides)
Solder
Bead
Setting
a
Description
SB0901
Short 1–2
Required when the PMC Carrier Board (in the
second
VME slot) is directly
connected to the Baseboard
Short 2–3
Required when the PMC Carrier Board (in the
third
VME slot) is directly connected
to the Graphics Board or the PMC Carrier Board in the
second
VME slot
SB0902
Short 1–2
Support 33-MHz PMC function.
Short 2–3
Support 66-MHz PMC function.
SB0903
Short 1–2
Required when the PMC Carrier Board supports 5V VIO PMC modules
Short 2–3
Required when the PMC Carrier Board supports 3.3V VIO PMC modules
SB1301
Short 1–2
Set Rio to Motherboard mode (PMC Carrier Board must be set to this mode)
Short 2–3
Set Rio to Add-In mode
(factory use only
)
SB1302
Short
Assign Ethernet interupt to PCI interupt
Open
Block Ethernet interupt
(factory use only
)
SB1801
Short
Disable 5-MHz I
2
C clock
Open
Enable 5-MHz I
2
C clock
SB1802
Short
Audio interface configuration (see
Table B-9
, page B-13); USPII
e
-USB
model
2P2
only
Open
SB1803
Short
Audio interface configuration (see
Table B-9
); USPII
e
-USB
model 2P2
only
Open
SB1804
Not used
SB2403
and
SB2404
Short 1–2
Audio interface configuration (see
Table B-9
, page B-13); USPII
e
-USB
model
2P2
only
Short 2–3
SB2407
and
SB2408
Short 1–2
Audio interface configuration (see
Table B-9
, page B-13); USPII
e
-USB
model
2P2
only
Short 2–3
SB2801
to
SB2832
Short 1–4
VME P2 connector pinout configuration (see
Table B-10
, page B-14)
Short 2–4
Short 3–4
SB2833
Short
Board type selection (see
Table B-11
, page B-14)
Open
Note:
Footnotes are described at the end of
Table B-8
on page B-13.
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