Publication No. IMP2B-0HH/5
Functional Description 29
3.15.2
Board ID Register 1 – Offset 0x00000000
Table
3-10 Board ID Register 1
Bits
Mode
Description
Notes
7 to 0
Read only Board major revision
0x02=2BB
15 to 8
Read only Board identifier (0x4A) 0x4A = IMP2B
3.15.3
Board ID Register 2 – Offset 0x00000002
Table
3-11 Board ID Register 2
Bits
Mode
Description
Notes
7 to 0
Read only CPLD revision
0x01 = Rev 01
15 to 8
Read only Board minor revision 0x00=Rev A, 0x01=Rev B, etc
3.15.4
Device/Bus Information Register 1 – Offset 0x00000004
Table
3-12 Device/Bus Information Register 1
Bits
Mode
Description
Notes
2 to 0
Read only CompactPCI bus speed 000 = PCI @ 33 MHz
001 = PCI @ 66 MHz
3
Reserved
6 to 4
Read only PMC bus speed
000 = PCI @ 33 MHz
001 = PCI @ 66 MHz
100 = PCI-X @ 66 MHz
101 = Reserved
110 = PCI-X @ 133 MHz
7
Read only PMC I/O voltage
0 = 3.3 V (hardwired)
9 & 8
Read only Flash device size
00 = 1 Gbit
01 = 2 Gbit (planned)
10 = Reserved
11 = 512 Mbit
10
Read only Flash banks fitted
0 = 1 bank fitted
1 = 2 banks fitted (default)
11
Read only Flash type
0 = Spansion Flash fitted (hardwired)
13 & 12
Read only DRAM device size
00 = Reserved
01 = Reserved
10 = 1 Gbit
11 = Reserved
14
Read only DRAM Bank 1 fitted
0 = Not fitted
1 = Fitted
15
Reserved