1-19
Themis Computer
1—2P2 PMC Carrier Board
2P2 PMC Carrier Board Solder Beads
SB2834
Short
PCB Revision settings indicator (see
Table 1-13
, page 1-20)
Open
SB2835
Short
VME P2 connector pinout configuration (see
Table 1-11
, page 1-20)
Open
SB2836
Short
VME P2 connector pinout configuration (see
Table 1-11
, page 1-20)
Open
SB2837
Short
PCB Revision settings indicator (see
Table 1-13
, page 1-20)
Open
SB2838
Short
PCB Revision settings indicator (see
Table 1-13
, page 1-20)
Open
SB2839
Short
Board type selection (see
Table 1-12
, page 1-20)
Open
SB2840
Short
Board type selection (see
Table 1-12
, page 1-20)
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 1-9.
2P2 PMC Carrier Board Solder-Bead Settings (Bottom Side) (Continued)
Solder
Bead
Setting
a
Description
Table 1-10.
2P2 PMC Audio Input/Output Settings
Solder Bead
Line In
Line Out
Microphone
In
Head-
phones
SB1802
Open
Short
SB1803
Open
Short
SB2403 and SB2404
Short 2–3
Short 1–2
SB2407 and SB2408
Short 2–3
Short 1–2
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