31:17

0h

RO

Reserved (RSVD)

16

0h

RW/L

SSEQ Lock-Down (SSEQLOCKDN)

BIOS Software Sequencing registers are locked when the logical OR of this bit and FLOCKDN is true. The affected registers are SSFSTS_​CTL.SCF, PREOP_​OPTYPE, OPMENU0, and OPMENU1. Once set to 1 this register is only cleared by host partition reset.

15

0h

RW/L

RPMC OP code Lock-Down (RPMC_​OP_​LOCK)

BIOS_​RPMC[0,1]_​D[0,1] registers are locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by BIOS partition reset.

14:13

0h

RO

Reserved

12

0h

RW/L

PR4 Lock-Down (PR4LOCKDN)

BIOS PR4 register is locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by BIOS partition reset.

11

0h

RW/L

PR3 Lock-Down (PR3LOCKDN)

BIOS PR3 register is locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by BIOS partition reset.

10

0h

RW/L

PR2 Lock-Down (PR2LOCKDN)

BIOS PR2 register is locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by BIOS partition reset.

9

0h

RW/L

PR1 Lock-Down (PR1LOCKDN)

BIOS PR1 register is locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by BIOS partition reset.

8

0h

RW/L

PR0 Lock-Down (PR0LOCKDN)

BIOS PR0 register is locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by BIOS partition reset.

7:4

0h

RO

Reserved

3

0h

RW/L

SBMRAG Lock-Down (SBMRAGLOCKDN)

BIOS SFRACC.BMRAG register bits are locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by host partition reset.

2

0h

RW/L

SBMWAG Lock-Down (SBMWAGLOCKDN)

BIOS SFRACC.BMWAG register bits are locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by host partition reset.

1

0h

RW/L

BMRAG Lock-Down (BMRAGLOCKDN)

BIOS FRACC.BMRAG register bits are locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by host partition reset.

0

0h

RW/L

BMWAG Lock-Down (BMWAGLOCKDN)

BIOS FRACC.BMWAG register bits are locked when the logical OR of this bit and FLOCKDN is true. Once set to 1 this register is only cleared by host partition reset.