B69000 Asiliant Technologies, B69000 Datasheet - Page 306

• Manufacturer Part Number: B69000
• Manufacturer: Asiliant Technologies

Specifications of B69000

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Chips Extended VGA CRT-Only Display Modes
Table A-2 shows the extended VGA and VESA display modes that the 69000 VGA BIOS supports.
Within the table:
&+,36
Extended
Mode No.
Display
(hex)
VGA
1Ah
1Bh
1Ch
1Dh
1Eh
6Ah
14h
15h
16h
17h
18h
19h
1Fh
31h
62h
63h
20h
22h
69000 Databook
Mode No.
Display
VESA
(hex)
100h
120h
122h
102
–
–
–
–
–
–
–
–
The ‘Minimum MCLK’ column gives the recommended memory clock frequency at which
the 69000 can run without adverse effects to functionality. Better benchmarks can be
achieved with an MCLK frequency higher than the frequency specified.
Some of the display modes are not supported by all CRT monitors.
256/256K
(bits per
Depth
Color
pixel)
16
24
16
24
16
24
16
24
Table A-2: Extended VGA CRT-Only Display Modes
8
8
8
8
4
4
4
Subject to Change Without Notice
Organization
Packed Pixel
Packed Pixel
Packed Pixel
Packed Pixel
Packed Pixel
Packed Pixel
Packed Pixel
Memory
Planar
Resolution
320
320
400
512
640 x 400
640 x 480
800 x 600
800 x 600
(pixels)
200
240
300
384
Horizontal
Freq.
(kHz)
31.5
31.5
31.5
31.5
31.5
31.5
37.5
37.5
37.5
48.4
48.4
48.4
31.5
31.5
31.5
31.5
37.5
43.3
35.5
46.9
46.9
53.7
31.5
37.9
46.9
53.7
Vertical
Freq.
(Hz)
70
70
70
60
60
60
60
60
60
60
60
60
70
70
70
60
75
85
56
60
75
85
56
60
75
85
Revision 1.3 8/31/98
12.587
12.587
12.587
12.587
12.587
12.587
25.175
25.175
25.175
25.175
VCLK
(MHz)
56.25
56.25
32.5
32.5
32.5
31.5
49.5
49.5
20
20
20
36
36
40
36
40
MCLK
(MHz)
mum
Mini-
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
A-3