SPMC/DPMC-122 G
ETTING
S
TARTED
M
ANUAL
D
Y
4 S
YSTEMS
I
NC
.
2-6
812628 V
ERSION
1 O
CTOBER
2003
PABS F
LASH
W
RITE
P
ROTECT
J
UMPER
The SCP/DCP-122 provides a jumper to allow programming of the PABS (Permanent
Alternate Boot Site) Flash area.
For normal operation, remove the jumper E5-E6 so that the PABS is write-protected. To
enable programming of the PABS Flash, install the E5-E6 jumper.
F
IGURE
2.4: PABS Flash Write Protect Jumper
Caution
This jumper is intended for factory use only.
Cross Reference
The state of the E5-E6 jumper is shown in the WR_PROT_PABS_JMP bit in the FPGA
Miscellaneous Signal Status Register. See Chapter 3 of the SCP/DCP-122 Hardware User’s
Manual for more information about the Miscellaneous Signal Status Register.
T
ABLE
2.4: PABS Flash Write Protect Jumper
Option
Jumper Setting
PABS Flash Write Protect:
Enable programming of PABS Flash bank
Write protect the PABS Flash bank
Connect E5-E6
(caution: for factory use only)
Open E5-E6
E1
E7
E9
E11
E13
E2
E6
E8
E1
0
E12
E14
E3
E4
E5
E6
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