Datasheet
Processor Configuration Registers
258 Datasheet, Volume 2
2.19.3 MEM_TRML_STATUS_REPORT—Memory Thermal Status
Report Register
This register reports the thermal status of DRAM.
B/D/F/Type: 0/0/0/MCHBAR PCU
Address Offset: 58A0–58A3h
Reset Value: 0000_0000h
Access: RO-V
Size: 32 bits
BIOS Optimal Default 00h
Bit Attr
Reset
Value
RST/
PWR
Description
31:25 RO 0h Reserved
24 RO-V 0b Uncore
Double Self refresh (DSR)
0 = Normal self refresh
1 = Double self refresh
23:16 RO-V 00h Reserved
15:8 RO-V 00h Uncore
Channel 1 Status (CHANNEL1_STATUS)
The format is for each channel is defined as follows:
00b = Cold
01b = Warm
11b = Hot
Bits 8–9: Rank 0, Channel 1
Bits 10–11: Rank 1, Channel 1
Bits 12–13: Rank 2, Channel 1
Bits 14–15: Rank 3, Channel 1
7:0 RO-V 00h Uncore
Channel 0 Status (CHANNEL0_STATUS)
The format is for each channel is defined as follows:
00b = Cold
01b = Warm
11b = Hot
Bits 0–1: Rank 0, Channel 0
Bits 2–3: Rank 1, Channel 0
Bits 4–5: Rank 2, Channel 0
Bits 6–7: Rank 3, Channel 0