Datasheet

Processor Configuration Registers
252 Datasheet, Volume 2
2.15.2 CRDTCTL4—Credit Control 4 Register
This register will have the minimum Read Return Tracker credits for each of the
PEG/DMI/GSA streams.
B/D/F/Type: 0/0/0/MCHBAR IMPH
Address Offset: 7410–7413h
Reset Value: 00000017h
Access: RW-L
Size: 32 bits
Bit Access
Reset
Value
RST/
PWR
Description
31:6 RO 0h Uncore Reserved (RSVD)
5:0 RW-L 17h Uncore
Read Return Tracker Shared Credits (RDRT_SHRD)
This field indicates the number of credits that are in the RDRTRN
shared pool. BIOS should configure this field to a value that is
equal to 64 minus the sum of all minimum dedicated RDRTN
credits.