Specifications

48 Programming Information HW400p/M Technical Reference - 1.0, March 6, 2002
Board Option Register (BOR) The Board Option Register (BOR) is a read-only register. This register indicates
the configuration and product type.
Table 5-15 shows the bits assigned to the BOR.
The BOR bits and states are defined as:
Table 5-15 Board Option Register – FFE2000D
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Reserved BUSMODE ENET RSVD TYPE3 TYPE2 TYPE1 TYPE0
BUSMODE = 0 PMC Site is incapable of performing PCI protocol
= 1 PMC Site is capable of performing PCI protocol
ENET = 0 Ethernet circuit not present
= 1 Ethernet circuit is present
TYPE[3:0] = 0000 HW400c/R+
= 0001 HW400c/F+
= 0010 HW400p/p+
= 0011 HW400p/M
other values are reserved for future products