3-16
Themis Computer
PMC/XMC Carrier Board Manual
SB2838
Short
PCB Revision settings indicator (see
Table 3-10
, page 3-17)
Open
SB2839
Short
Board type selection (see
Table 3-9
, page 3-17)
Open
SB2840
Short
Board type selection (see
Table 3-9
, page 3-17)
Open
SB3002
Short
Flash PROM selected is writable
Open
Flash PROM selected is not writable
SB3003
Short 1–2
Enable 5V Flash programming voltage (Vpp)
Short 2–3
Enable 12V Flash programming voltage (Vpp)
a—Boldface = the default solder-bead position. No boldface indicates there is no default.
Table 3-7.
2P3 PMC Carrier Board Solder-Bead Settings (Both Sides) (Continued)
Solder
Bead
Setting
a
Description
Table 3-8.
VME P2 Connector Configuration
a
a—See
Table 3-11
, page 3-18, and
Table 3-12
, page 3-20 for details.
Definition (32 Pins)
SB2801 to
SB2832
SB2835
SB2836
All PMC 1
Short 1
–
4
Short
Short
PMC 1 (16 pins) and PMC 2 (16 pins)
Short 3–4
Open
Short
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