Acer X221W Technical Information download pdf (Page 12)

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MODE NO. 5 6 7 8

RESOLUTION 640 x 480 800 x 600 800 x 600 800 x 600

Dot clock(MHz) 31.5 36 40 49.5

f h 37.500kHz 35.16kHz 37.879kHz 46.875kHz

H-Total ( us ) 26.667(840 dots) 28.44(1024 dots) 26.40 (1056 dots) 21.333 (1056dots)

H-Sync ( us ) 2.032 (64 dots) 2.00(72 dots) 3.200 (128 dots) 1.616 (80 dots)

H-B-P ( us ) 3.810 (120 dots) 3.56(128 dots) 2.200 ( 88 dots) 3.232 (160 dots)

H-Active ( us ) 20.317 (640 dots) 22.22(800 dots) 20.00 ( 800 dots) 16.162 (800 dots)

H-F-P ( us ) 0.508 (16 dots) 0.67(24 dots) 1.000 (40 dots) 0.323 (16 dots)

f v 75Hz (75) 56.25 60Hz (60.316) 75Hz (75.000)

V-Total (ms ) 13.333 (500 lines) 17.78(625 lines) 16.58 (628 lines) 13.333 (625lines)

V-Sync ( ms ) 0.080 (3 lines) 0.06(2 lines) 0.106 (4 lines) 0.064 (3 lines)

V-B-P (ms ) 0.427 (16 lines) 0.63(22 lines) 0.607 (23 lines) 0.448 (21 lines)

V-Active ( ms ) 12.80 (480 lines) 17.07(600 lines) 15.84 (600 lines) 12.80 (600lines)

V-F-P ( ms ) 0.027 ( 1 line ) 0.03( 1 line) 0.026 (1 line ) 0.021 (1 line )

SYNC. H/V - / - +/+ + / + + / +

POLARITY

SEP . SYNC Y Y Y Y

MODE NO. 9 10 11 12

RESOLUTION 800 x 600 832 x 624 1024 x 768 1024 x 768

Dot clock(MHz) 50 57.283 65 75

f h 48.077kHz 49.72kHz 48.363kHz 56.48kHz

H-Total ( us ) 20.80 (1040dots) 20.11(1152 dots) 20.677(1344 dots) 17.71(1328 dots)

H-Sync ( us ) 2.400 ( 120 dots) 1.12(64 dots) 2.092(136 dots) 1.81(136 dots)

H-B-P ( us ) 1.280 (64 dots) 3.91(224 dots) 2.462(160 dots) 1.92(144 dots)

H-Active ( us ) 16.00 (800 dots) 14.52( 832 dots ) 15.754(1024 dots) 13.65(1024 dots)

H-F-P ( us ) 1.120 (56 dots) 0.56(32 dots ) 0.369(24 dots) 0.32(24 dots)

f v 72Hz (72.188) 74.55Hz 60.004Hz 70.07Hz

V-Total (ms ) 13.85 (666 lines) 13.41(667 lines) 16.666(806 lines) 14.27(806 lines)

V-Sync ( ms ) 0.125 (6 lines) 0.06(3 lines) 0.124(6 lines) 0.11(6 lines)

V-B-P (ms ) 0.478 (23 lines) 0.78(39 lines) 0.600(29 lines) 0.51(29 lines)

V-Active ( ms ) 12.48 (600 lines) 12.55 (624 lines) 15.880(768 lines) 13.60(768 lines)

V-F-P ( ms ) 0.770 ( 37 line ) 0.02(1 line) 0.062(3 lines) 0.05(3 lines)

SYNC. H/V + / + +/+ -/- -/-

POLARITY

SEP . SYNC Y2 Y Y Y

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Acer X221W Technical Information Page 12