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Schematic Diagrams
B - 26 Straps, XTAL
B.Schematic Diagrams
Straps, XTAL
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
1 = HIGH : Tied to 1.5V~1.854V (Nominal 1.8V)
0 = Low : Tied to 0V~0.3V
M = Middle : Tied to 0.5V~1.3V (Nominal 0.9V)
XTAL
(0x0) Default
Micron MT61K256M32JE-14:A (A-die) 4000MHz 256Mx32
1= SMB_ALT_ADDR Enable
0= SMB_ALT_ADDR Disable
1= DEVID_SEL Rebrand (GSYNC)
0= DEVID_SEL Original (non-GSYNC)
1= PCIE_CFG Low Power
0= PCIE_CFG High Power
1= VGA_DEVICE Enable
0= VGA_DEVICE Disable
Samsung K4Z80325BC-HC14 (C-die) 4000MHz 256Mx32
M
0
M
21 (0x0015)
M
M
0
22 (0x0016)
M
M
1
23 (0x0017)
M
1
M
24 (0x0018)
1
M
M
25 (0x0019)
1
0
M
16 (0x0010)
1
M
0
17 (0x0011)
1
M
1
18 (0x0012)
1
1
M
19 (0x0013)
0
M
M
20 (0x0014)
0
1
M
11 (0x000B)
M
0
0
12 (0x000C)
M
0
1
13 (0x000D)
M
1
0
14 (0x000E)
M
1
1
15 (0x000F)
1
1
0
6 (0x0006)
1
1
1
7 (0x0007)
0
0
M
8 (0x0008)
0
M
0
9 (0x0009)
0
M
1
10 (0x000A)
0
0
1
1 (0x0001)
0
1
0
2 (0x0002)
0
1
1
3 (0x0003)
1
0
0
4 (0x0004)
1
0
1
5 (0x0005)
Strap 2
Strap 1
Strap 0
RAMCFG[4:0]
0
0
0
0 (0x0000)
M
M
M
26 (0x001A)
(0x0) Default
Strap 5
Strap 4
Strap 3
SMB_ALT_ADDR
0
DEVID_SEL
PCIE_CFG
0
VGA_DEVICE
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
1
1
0
1
1
1
1
0
0
0
1
0
1
0
1
1
0
0
1
0
1
0
M
1
0
M
0
M
0
1
0
1
M
M
0
0
0
0
M
1
M
0
M
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
ROM_SI
ROM_SCLK
ROM_SO
0
0
0
0
STRAP[0:2]
Setting RAM type
MULTI-LEVEL STRAPS
Strap5
non-Gsync = L
Gsync = H
Hynix H56C8H24MJR-S2C (M-die) 4000MHz 256Mx32
(0x1)
(0x2)
(0x1)
(0x2)
0
1
Near the GPU
STRAP[0:2]
Setting RAM type
Default
FS_OVERT# Enable
FS_OVERT# Disable
XTALOUT
XTALSSIN
XTALOUTBUFF
XTALIN
1V8_AON
1V8_AON
1V8_AON
1V8_RUN
1V8_RUN
[14,15,27,28,69]
1V8_AON
[16,17,18,19,21,22,23,24,28,29,30,31,32,67,69,70]
VGA_ROM_SCLK
[28]
VGA_ROM_SO
[28]
VGA_ROM_SI
[28]
STRAP0
[28]
STRAP1
[28]
STRAP2
[28]
STRAP3
[28]
STRAP4
[28]
STRAP5
[28]
GPU_PLLVDD_XS_SP
[26,27]
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-PB5D0-D02
D02
[25] GPU V STRAPS,XTAL
A3
25
84
Friday, December 27, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50DF2
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-PB5D0-D02
D02
[25] GPU V STRAPS,XTAL
A3
25
84
Friday, December 27, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50DF2
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-PB5D0-D02
D02
[25] GPU V STRAPS,XTAL
A3
25
84
Friday, December 27, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50DF2
R174
100
K_1%_
0
4
R626
*100K_
0
4
13/22 XTAL/PLL
U3V
N18E
BL6
XTALIN
BJ6
EXT_REFCLK_FL
BB24
XSN_PLLVDD
AF11
GPCPLL_AVDD1
U42
GPCPLL_AVDD0
BC12
VID_PLLVDD
BD12
SP_PLLVDD
BM6
XTALOUT
BK6
XTALOUTBUFF
R164
*100K_
0
4
R631
*100K_
0
4
C358
0.
47u_4
V_X6S
_02
R173
100
K_1%_
0
4
R178
100
K_04
R622
*100K_
0
4
R172
100
K_1%_
0
4
C799
0.
47u_4
V_X6S
_02
R180
*100K_
1
%_04
R177
*100K_
0
4
X4
U83-076_27MHZ
2
1
3
4
R620
100
K_04
R176
*100K_04
R611
10K_04
R171
100
K_04
OPTION_GPU (W / GSYNC)
R181
*100K_
1
%_04
C331
0.
47u_4
V_X6S
_02
R617
100
K_04
L33
HCB1608KF-300T60
C655
22u
_6.3
V
_X6S
_08
R158
100
K_04
OPTION_GPU (W /O GSYNC)
C359
0.
47u_4
V_X6S
_02
R161
100
K_04
C618
0.
47u_4
V_X6S
_02
C769
4.
7u_6.
3V_
X
6S_0
6
R621
100
K_04
C1344
12p_50V_NPO_04
R170
10K_04
R182
*100K_
1
%_04
C1346
12p_50V_NPO_04
Sheet 25 of 85
Straps, XTAL
Summary of Contents for PB70DDS
Page 1: ...PB70DDS PB70DF1 PB70DF2 PB71DDS PB71DF1 PB71DF2 ...
Page 2: ......
Page 24: ...Introduction 1 12 1 Introduction ...
Page 38: ...Disassembly 2 14 2 Disassembly ...
Page 41: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 42: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 43: ...Main Board A 5 A Part Lists Main Board Figure A 3 Main Board ...
Page 44: ...A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 45: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 46: ...A 8 A Part Lists ...