Jumper And Status Register - VersaLogic Python EBX-11 Reference Manual

Jumper and Status Register

JSR (READ/WRITE) 1D2h (or 1E2h via the CMOS setup)
D7
Reserved GPI
Bit Mnemonic
–
D7
D6
GPI
D5
VB_SEL
D4
BRM_SEL
–
D3-D0
EBX-11 Reference manual
D6 D5 D4
VB_SEL BRM_SEL
Table 35: Jumper and Status Register Bit Assignments
Description
Reserved — This bit has no function.
General Purpose Input — Indicates the status of V2[3-4].
0 = Jumper out
1 = Jumper in
Note: This bit is read-only.
Video BIOS Selection – Indicates the status of jumper V2[5-6]
0 = Jumper out, Secondary Video BIOS selected
1 = Jumper in, Primary Video BIOS selected
Note: This bit is read-only.
BIOS Recovery Mode – Indicates the status of jumper V2[7-8]
0 = Jumper out, BIOS recovery Mode selected
1 = Jumper in, Runtime System BIOS selected
Note: This bit is read-only. Consult factory for use of this function
Reserved — These bits have no function.
D3 D2 D1
Reserved Reserved Reserved
Special Registers
D0
Reserved
63