ALXD800EEXJ2VD C3 AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD C3 Datasheet - Page 258
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ALXD800EEXJ2VD C3
Manufacturer Part Number
ALXD800EEXJ2VD C3
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.ALXD800EEXJ2VD_C3.pdf
(680 pages)
Specifications of ALXD800EEXJ2VD C3
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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6.4.1.5
MSR Address
Type
Reset Value
This MSR contains the power management controls for the GP. Since there is only one clock domain within the GP, most
bits in this register are unused. This register allows the GP to be switched off by disabling the clocks to this block. If hard-
ware clock gating is enabled, the GP will turn off its clocks whenever there is no BLT busy or pending and no GLIU transac-
tions destined to the GP. A register or MSR write causes the GP to wake up temporarily to service the request, then return
to power down. A write to the GP_BLIT_MODE or GP_VECTOR_MODE registers (GP Memory Offset 40h and 3Ch
respectively) causes the GP to wake up for the duration of the requested operation. If software clock gating is enabled, a
write to the PRQ bit causes the GP to stop its clocks the next time that it is idle. It automatically wakes itself up when it is
busy again, clearing the PRQ bit.
6.4.1.6
MSR Address
Type
Reset Value
This register is reserved for internal use by AMD and should not be written to.
258
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63:18
63:33
15:2
31:2
Bit
Bit
1:0
17
16
32
1
0
GLD Power Management MSR (GLD_MSR_PM)
GLD Diagnostic MSR (GLD_MSR_DIAG)
Name
RSVD
AE
TE
RSVD
AM
TM
Name
RSVD
PRQ
RSVD
PM
A0002004h
R/W
00000000_00000000h
A0002005h
R/W
00000000_00000000h
33234H
Description
Reserved. Read returns 0.
Address Error. 1 indicates address violation. Write = 1 clears bit, write = 0 has no effect.
Type Error. 1 indicates type error. Write = 1 clears bit, write = 0 has no effect.
Reserved. Read returns 0.
Address Mask. Ignore address violations when set.
Type Mask. Ignore type violations when set.
Description
Reserved. Read returns 0.
Software Power Request. If software clock gating is enabled, disable the clocks the next
time the device is not busy. This bit is cleared when the device wakes up.
Reserved. Read returns 0.
Power Mode.
00: Disable clock gating. Clocks are always on.
01: Enable active hardware clock gating.
10: Enable software clock gating.
11: Enable hardware and software clock gating.
GLD_MSR_ERROR Bit Descriptions
GLD_MSR_PM Bit Descriptions
GLD_MSR_PM Register Map
RSVD
RSVD
Graphics Processor Register Definitions
AMD Geode™ LX Processors Data Book
9
8
7
6
5
4
3
2
1
PM
0
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