82443GX Datasheet, PDF (103/128 Pages) Intel Corporation – Intel 440GX AGPset: 82443GX Host Bridge/Controller

Functional Description
4.7
System Clocking
Figure 4-3 shows the clock architecture for a typical Intel^® 440GX AGPset system.
Figure 4-3. Typical Intel^® 440GX AGPset System Clocking
CK100
GXPCLK
33 MHz
100
CPU/HCLK
100 MHz
BXHCLK
100MHz
PCLKx
33 MHz
Pentium^® II
Processor
GCLKOUT
133/66MHz
GCLKIN
82443GX
DCLKO
100 MHz
DCLKWR
CKBF
DCLK[15:0]
SDRAM
4.8
4.8.1
Power Management
This section focuses on the 82443GX power management features only. The PIIX4E datasheet
along with this section provide the complete system power management description.
Overview
Power Management Features Supported by the 82443GX
• Suspend Resume
• Clock Control
• SMRAM
• ACPI and PCI-PM
82443GX Host Bridge Datasheet
4-23