IBM 770 1, Alpha, Buffer, Expanded, Mode, Type, Colors, numeric, Start, Pels, Size, Format, Pages

Figure3-1.

Figure3-2

Thevideo

VideoModes

0 * ,

*1

Alpha-

Buffer

Expanded

Mode

Type

Colors

numeric

Start

Box

Max

Pels

Size

(Hex)

Format

Address

Size

Pages

XGA

0,

1

A/N

16

40 ×25

B8000

8

×8

8

320×200

960

×600

A/N

16

40 ×25

B8000

8

×14

8

320×350

960

×700

BIOSVideo

0#,

1#

A/N

16

40 ×25

B8000

8

×16

8

320×400

960

×600

onpage3-

subsystem

2,

3

A/N

16

80

×25

B8000

8

×8

8

640

×200

960

×600

2* , *3

A/N

16

80

×25

B8000

8

×14

8

640

×350

960

×700

2#,

3#

A/N

16

80

×25

B8000

8

×16

8

640

×400

960

×600

4,

5

APA

4

40 ×25

B8000

8

×8

1

320×200

960

×600

4:

VGAModes

6

APA

2

80

×25

B8000

8

×8

1

640

×200

960

×600

supports

7 *

A/N

–

80

×25

B0000

8

×14

8

640

×350

960

×700

7#

A/N

–

80

×25

B0000

8

×16

8

640

×400

960

×600

D

APA

16

40 ×25

A0000

8

×8

8

320×200

960

×600

E

APA

16

80

×25

A0000

8

×8

4

640

×200

960

×600

the

F

APA

–

80

×25

A0000

8

×14

2

640

×350

960

×700

10

APA

16

80

×25

A0000

8

×14

2

640

×350

960

×700

modeslisted

11

APA

2

80

×30

A0000

8

×16

1

640

×480

960

×720

Subsystems3-

12

APA

16

80

×30

A0000

8

×16

1

640

×480

960

×720

13

APA

256

40 ×25

A0000

8

×8

1

320×200

960

×600

3

in

Figure

3-1

and