512Kx32 And 256Kx32 Pinout Compatibility - Intel 740 Design Manual

3 Device AGP MotherBoard Design
Figure 3-22. 512Kx32 and 256Kx32 Pinout Compatibility
Intel740™
Figure 3-23. 1M X 16 Pinout Compatibility
Low Power Logic
This page show the logic needed to put the Intel 740 graphics accelerator into a low power state
when a video add-in card is installed into the system. In low power mode, the Intel 740 chip is
disabled and will not initiate or respond to cycles on the AGP bus.
3-26
A 8 / A P
A 9 / B S
Intel740 Chip
A 1 0
A 7
.
.
A 0
A 8 / A P
Intel740™
A 9 / B S
Chip
Intel740
A 1 0
A 7
.
.
A 0
A11/BS
A10/AP
A9
A8
Intel740™
.
Chip
.
.
A1
A0
Pin 51
A 9 / A P
Pin 29 A 1 0 / B S
Pin 30 A 8
5 1 2 K x 3 2
A 7
S G R A M
.
Jedec
.
Standard
A 0
Pin 51
A 8 / A P
Pin 29 A 9 / B S
Pin 30
N C
2 5 6 K x 3 2
A 7
S G R A M
.
Jedec
.
Standard
A 0
A11
A10
A9
A8
1M X 16
.
SDRAM
.
.
A1
A0
P-38
Intel740™ Graphics Accelerator Design Guide