Intel A2Y15AV Fiche technique Page 77
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Datasheet, Volume 2 77
Processor Configuration Registers
2.5.30 REMAPLIMIT—Remap Limit Address Register
2.5.31 TOM—Top of Memory Register
This Register contains the size of physical memory. BIOS determines the memory size
reported to the OS using this Register.
B/D/F/Type: 0/0/0/PCI
Address Offset: 98–9Fh
Reset Value: 0000000000000000h
Access: RW-L, RW-KL
Size: 64 bits
BIOS Optimal Default 000000000000h
Bit Access
Reset
Value
RST/
PWR
Description
63:36 RO 0h Reserved (RSVD)
35:20 RW-L 0000h Uncore
Remap Lim Remap Base register, the Remap window is disabled.
These Bits are Intel TXT lockable.
19:1 RO 0h Reserved (RSVD)
0RW-KL 0b Uncore
Lock (LOCK)
This bit will lock all writeable settings in this register, including
itself.
B/D/F/Type: 0/0/0/PCI
Address Offset: A0–A7h
Reset Value: 0000007FFFF00000h
Access: RW-L, RW-KL
Size: 64 bits
BIOS Optimal Default 00000000000h
Bit Access
Reset
Value
RST/
PWR
Description
63:39 RO 0h Reserved (RSVD)
38:20 RW-L 7FFFFh Uncore
Top of Memory (TOM)
This register reflects the total amount of populated physical
memory. This is NOT necessarily the highest main memory
address (holes may exist in main memory address map due to
addresses allocated for memory mapped IO). These bits
correspond to address bits 38:20 (1 MB granularity). Bits 19:0
are assumed to be 0. All the bits in this register are locked in
Intel TXT mode.
19:1 RO 0h Reserved (RSVD)
0RW-KL 0b Uncore
Lock (LOCK)
This bit will lock all writeable settings in this register, including
itself.
- Mobile 3rd Generation Intel 1
- Processor Family 1
- Contents 3
- 4 Datasheet, Volume 2 4
- Datasheet, Volume 2 5 5
- 6 Datasheet, Volume 2 6
- Datasheet, Volume 2 7 7
- 8 Datasheet, Volume 2 8
- Datasheet, Volume 2 9 9
- 10 Datasheet, Volume 2 10
- Revision History 11
- 12 Datasheet, Volume 2 12
- 1 Introduction 13
- Introduction 14
- 2 Processor Configuration 15
- 2.2 PCI Devices and Functions 16
- 2.3 System Address Map 17
- 18 Datasheet, Volume 2 18
- 2.3.1 Legacy Address Range 19
- 20 Datasheet, Volume 2 20
- 2.3.1.3 PAM (C_0000h–F_FFFFh) 21
- 22 Datasheet, Volume 2 22
- 2.3.2.2 TSEG 23
- 2.3.2.5 Pre-allocated Memory 24
- 2.3.2.7 Intel 25
- Management Engine (Intel 25
- ME) UMA 25
- 26 Datasheet, Volume 2 26
- 2.3.3.4 High BIOS Area 27
- 28 Datasheet, Volume 2 28
- Datasheet, Volume 2 29 29
- 2.3.4.5 Programming Model 30
- Host/System View 31
- Physical Memory 31
- (DRAM Controller View) 31
- Datasheet, Volume 2 33 33
- 34 Datasheet, Volume 2 34
- Datasheet, Volume 2 35 35
- 36 Datasheet, Volume 2 36
- 2.3.11 I/O Address Space 38
- 2.3.12 MCTP and KVM Flows 39
- 40 Datasheet, Volume 2 40
- Datasheet, Volume 2 41 41
- 42 Datasheet, Volume 2 42
- Datasheet, Volume 2 43 43
- 2.4 I/O Mapped Registers 46
- 2.5.6 CC—Class Code Register 52
- DMA protected range register 59
- 2.5.19 MESEG_BASE—Intel 63
- 2.5.20 MESEG_MASK—Intel 64
- B4h bits 31:20) 80
- 2.6.6 CC—Class Code Register 92
- Register 100
- Port Command Register 112
- 11:10 RW-O 11b Uncore 115
- 5RW-V 0b Uncore 117
- Registers 132
- 104–107h 133
- 108–10Bh 133
- 10C–10Dh 134
- 110–113h 135
- 23 RO 0h Reserved (RSVD) 135
- 114–117h 136
- 11A–11Bh 137
- DA0–DA3h 138
- DA4–DA7h 139
- DA8–DABh 140
- DAC–DAFh 141
- DB0–DB3h 142
- DB4–DB7h 143
- DB8–DBBh 144
- DBC–DBFh 145
- DD8–DDBh 146
- Registers 148
- PCI device 149
- 2.8.6 CC—Class Code Register 152
- Mapped Range Address Register 154
- 2.9 Device 2 IO Registers 160
- 2.10 PCI Device 6 Registers 161
- 2.10.6 CC—Class Code Register 168
- 2RW 0bUncore 180
- of the table in DQWORDS (16 204
- 140–143h 208
- 144–147h 209
- 150–153h 210
- 158–15Bh 210
- 15C–15Fh 211
- 240–243h 211
- 244–247h 212
- C34–C37h 212
- D0C–D0Fh 213
- D34–D37h 213
- D6C–D6Fh 214
- DC0–DC3h 215
- DC4–DC7h 215
- : DCC–DCFh 216
- (DMIBAR) 217
- Declaration Capability 229
- 0 Registers 239
- 4000–4003h 240
- 4028–402Bh 242
- 42A4–42A7h 242
- 4294–4297h 244
- 4298–429Bh 244
- Channel 1 245
- 4404–4407h 247
- 4428–442Bh 247
- 4694–4697h 249
- 4698–469Bh 250
- 46A4–46A7h 250
- 740C–740Fh 251
- 7410–7413h 252
- 5004–5007h 254
- 5008–500Bh 255
- 5060–5063h 256
- Group Registers 257
- 4CB0–4CB3h 258
- 100–107h 290
- 108–10Fh 291
- 200–207h 293
- 208–20Fh 294
- FF0–FF3h 295
- 2.19 PCU MCHBAR Registers 296
- 5880–5883h 297
- 5888–588Bh 298
- Status Report Register 299
- Interrupt Register 300
- 5948–594Bh 301
- 5994–5997h 301
- 5998–599Bh 302
- 5C20–5C23h 302
- 5C24-5C27h 304
- 5D10–5D17h 306
- 2.20 PXPEPBAR Registers 308
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