Configuration
CP3003-SA
Page 4 - 6
ID 1052-6929, Rev. 3.0
D R A F T — F O R I N T E R N A L U S E O N L Y
4.2.2
Status Register 1 (STAT1)
The Status Register 1 holds board-specific status information.
4.2.3
Control Register 0 (CTRL0)
The Control Register 0 holds a series of bits defining general/common configuration functions.
Table 4-4:
Status Register 1 (STAT1)
REGISTER NAME
STATUS REGISTER 1 (STAT1)
ADDRESS
0x281
BIT
NAME
DESCRIPTION
RESET
VALUE
ACCESS
7
C66EN
CPCI PCI speed (M66EN signal):
0 = 33 MHz
1 = 66 MHz
N/A
R
6 - 4
Res.
Reserved
000
R
3
CSYS
CPCI system slot identification (SYSEN signal):
0 = Installed in a system slot
1 = Installed in a peripheral slot
N/A
R
2
CENUM
CPCI system enumeration (ENUM signal):
0 = Indicates the insertion or removal of a hot swap peripheral board
when the CP3003-SA operates as the system controller board
1 = No hot swap event
N/A
R
1
CFAL
CPCI power supply status (FAL signal):
0 = Power supply failure
1 = Power in normal state
N/A
R
0
CDEG
CPCI power supply status (DEG signal):
0 = Power derating
1 = Power in normal state
N/A
R
Table 4-5:
Control Register 0 (CTRL0)
REGISTER NAME
CONTROL REGISTER 0 (CTRL0)
ADDRESS
0x282
BIT
NAME
DESCRIPTION
RESET
VALUE
ACCESS
7 - 6
VGAM
VGA mode configuration:
00 = Automatic VGA front detection
01 = Front VGA (uEFI BIOS default)
10 = Rear VGA
11 = VGA disabled
01
R/W
5
BFUS
SPI boot flash selection:
0 = Select the standard SPI boot flash for update
1 = Select the recovery SPI boot flash for update
0
R/W
4 - 0
Res.
Reserved
00000
R
