LG 27UP600 Service Manual page 6

2. Signal Timing (Resolution)
2.1. Signal (Video & Sync)
7.1 Signal (Video & Sync) – DisplayPort
DOT
Mode section polarity CLOCK
[MHz]
H(Pixels) -
1 25.175
V(Lines) -
H(Pixels) +
2 40
V(Lines) +
H(Pixels) -
3 65
V(Lines) -
H(Pixels) +
4 138.5
V(Lines) -
H(Pixels) +
5 241.50
V(Lines) -
H(Pixels) +
6 297.00
V(Lines) -
H(Pixels) +
7 533.25
V(Lines) -
7)  Recommended Timing

Frequency Total Display
[kHz]/[Hz] Period(E) (A)
31.469 800 640
59.94 525 480
37.879 1056 800
60.317 628 600
48.363 1344 1024
60 806 768
67.5 2200 1920
60 1125 1080
88.79 2720 2560
59.95 1481 1440
66.66 4000 3840
30 2222 2160
133.32 4000 3840
60 2222 2160
Front Sync. Back
Resolution
Porch(D) (C) Porch(B)
16 96 48
640 x 480
10 2 33
40 128 88
800 x 600
1 4 23
24 136 160
1024 x 768
3 6 29
88 44 148
1920 x 1080
4 5 36
48 32 80
2560 x 1440
3 5 33
8 144 8
3840 x 2160
54 5 3
8 144 8
3840 x 2160
54 5 3
Measurement Result Remark
PC : Display
Checked
Resolution
Information
Checked
Checked
Checked
Checked
Checked
Checked