19
ASRock Z68 Extreme4 Gen3 Motherboard
English
2.5 SLI
TM
and Quad SLI
TM
Operation Guide
This motherboard supports NVIDIA
®
SLI
TM
and Quad SLI
TM
(Scalable Link Interface)
technology that allows you to install up to three identical PCI Express x16 graphics
cards. Currently, NVIDIA
®
SLI
TM
technology supports Windows
®
XP / XP 64-bit /
Vista
TM
/ Vista
TM
64-bit / 7 / 7 64-bit OS. NVIDIA
®
Quad SLI
TM
technology support
Windows
®
Vista
TM
/ Vista
TM
64-bit / 7 / 7 64-bit OS only. Please follow the installation
procedures in this section.
Requirements
1. For SLI
TM
technology, you should have two identical SLI
TM
-ready graphics
cards that are NVIDIA
®
certifi ed. For Quad SLI
TM
technology, you should
have two identical Quad SLI
TM
-ready graphics cards that are NVIDIA
®
certifi ed.
2. Make sure that your graphics card driver supports NVIDIA
®
SLI
TM
technology. Download the driver from NVIDIA
®
website
(www.nvidia.com).
3. Make sure that your power supply unit (PSU) can provide at least the
minimum power required by your system. It is recommended to use
NVIDIA
®
certifi ed PSU. Please refer to NVIDIA
®
website for details.
2.5.1 Graphics Card Setup
2.5.1.1 Installing Two SLI
TM
-Ready Graphics Cards
Step 1. Install the identical SLI
TM
-ready graphics cards that are NVIDIA
®
certifi ed
because different types of graphics cards will not work together properly.
(Even the GPU chips version shall be the same.) Insert one graphics card
into PCIE2 slot and the other graphics card to PCIE4 slot. Make sure that
the cards are properly seated on the slots.
Step2. If required, connect the auxiliary power source to the PCI Express
graphics
cards.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
