174 AMD Geode™ SC2200 Processor Data Book
Core Logic Module
32580B
6.2.10.4 Power Management Programming Summary
Table 6-9 provides a programming register summary for the
power management timers, traps, and functions. For com-
plete bit information regarding the registers listed in Table
6-9, refer to Section 6.4.1 "Bridge, GPIO, and LPC Regis-
ters - Function 0" on page 198.
Table 6-9. Device Power Management Programming Summary
Device Power
Management Resource
Located at F0 Index xxh Unless Otherwise Noted
Enable Configuration
Second Level
SMI Status/No Clear
Second Level SMI
Status/With Clear
Global Timer Enable 80h[0] N/A N/A N/A
Keyboard / Mouse Idle Timer 81h[3] 93h[1:0] 85h[3] F5h[3]
Parallel / Serial Idle Timer 81h[2] 93h[1:0] 85h[2] F5h[2]
Floppy Disk Idle Timer 81h[1] 9Ah[15:0], 93h[7] 85h[1] F5h[1]
Video Idle Timer181h[7] A6h[15:0] 85h[7] F5h[7]
VGA Timer 283h[3] 8Eh[7:0] F1BAR0+I/O
Offset 00h[6]
F1BAR0+I/O
Offset 02h[6]
Primary Hard Disk Idle Timer 81h[0] 98h[15:0], 93h[5] 85h[0] F5h[0]
Secondary Hard Disk Idle Timer 83h[7] ACh[15:0], 93h[4] 86h[4] F6h[4]
User Defined Device 1 Idle
Timer
81h[4] A0h[15:0], C0h[31:0],
CCh[7:0]
85h[4] F5h[4]
User Defined Device 2 Idle
Timer
81h[5] A2h[15:0], C4h[31:0],
CDh[7:0]
85h[5] F5h[5]
User Defined Device 3 Idle
Timer
81h[6] A4h[15:0], C8h[31:0],
CEh[7:0]
85h[6] F5h[6]
Global Trap Enable 80h[2] N/A N/A N/A
Keyboard / Mouse Trap 82h[3] 9Eh[15:0] 93h[1:0] 86h[3] F6h[3]
Parallel / Serial Trap 82h[2] 9Ch[15:0], 93h[1:0] 86h[2] F6h[2]
Floppy Disk Trap 82h[1] 93h[7] 86h[1] F6h[1]
Video Access Trap 82h[7] N/A 86h[7] F6h[7]
Primary Hard Disk Trap 82h[0] 93h[5] 86h[0] F6h[0]
Secondary Hard Disk Trap 83h[6] 93h[4] 86h[5] F6h[5]
User Defined Device 1 Trap 82h[4] C0h[31:0], CCh[7:0] F1BAR0+I/O
Offset 04h[2]
F1BAR0+I/O
Offset 06h[2]
User Defined Device 2 Trap 82h[5] C4h[31:0], CDh[7:0] F1BAR0+I/O
Offset 04h[3]
F1BAR0+I/O
Offset 06h[3]
User Defined Device 3 Trap 82h[6] C8h[31:0], CEh[7:0] F1BAR0+I/O
Offset 04h[4]
F1BAR0+I/O
Offset 06h[4]
General Purpose Timer 1 83h[0] 88h[7:0], 89h[7:0], 8Bh[4] F1BAR0+I/O
Offset 04h[0]
F1BAR0+I/O
Offset 06h[0]
General Purpose Timer 2 83h[1] 8Ah[7:0], 8Bh[5,3,2] F1BAR0+I/O
Offset 04h[1]
F1BAR0+I/O
Offset 06h[1]
Suspend Modulation 96h[0] 94h[15:0], 96h[2:0] N/A N/A
Video Speedup 80h[4] 8Dh[7:0], A8h[15:0] N/A N/A
IRQ Speedup 80h[3] 8Ch[7:0] N/A N/A
1. This function is used for Suspend determination.
2. This function is used for SoftVGA.