文档介绍：Rome1
Power On sequence
FAE/ PETER PAN
USI/CP/RD
Content
1. Summary -------------------- 3
2. Symbol introduction -------------------- 4
3. Bring up Sequence -------------------- 5
4. DC IN power sequence ------------------- 6
5. Power on sequence ------------------ 7
6. ICH4 power sequence ------------------- 8
7. CPURST sequence ------------------- 9
9. POST sequence ------------------- 10
10. Reference data ------------------- 11
Rome1
Summary
1. This is a power sequence description for the IBM N/B
Rome1 project.
2. The detail introduction can be found in the PMH-4 logic
and Intel ICH-4 & MCH data sheet.
Rome1
Rome1
VIN16
-CLK_ENABLE
VCCAUX_ON
U29
Power Input
Signal output( low)
Signal output( high)
IC name
Symbol introduction
---------------------------
VCC5M
Power Output
Rome1
ICH4
H8S
TSURUMAI
DC/DC
PWM
CPU
MCH
PMH4
-MAINOFF
AD3205
CLK
Generator
VCC5M,VCC3M
MPWRG
BPWRG
-PWRSW_H8
DC/DC
Switch
VR_PWRGD
-CLK_ENABLE
VCORE_ON
-CPURST
-PCIRST
CPUPWRG
-PM_SLP_S3
VCC3M
VCC5M
VCC1R8M
VCC1R5M
VCC3AUX
VCC1R5AUX
PUCORE
-ICH_SLP_S4
-ICH_SLP_S3
-PWRSWITCH
DC INT 16V
1
5
4
7
3
2
VCC2R5A
PUIO
VCC1R25B
VCC1R2B
VCCVIDEOCORE
3
7
6
VCC3P
VBL16
9
12
12
VTT_PWRG
8
A_ON ,B_ON
Boot up
-PM_SLP_S5
9
7
10
10
10
11
13
14
CPUCLK_CLK 100M
-CPUCLK_CLK_100M
VCC3A
VCC3B
VCC5B
VCC1R8A
VCC1R8B
VCC1R5A
VCC1R5B
9
DC INT 16V
VINT16
VREGIN16
VCC3SW
+16VSRC
U61
-EXTPWR
VL5
-EXTPWR_PMH4
VCC5M_ON
VCC1R8M_ON
VCC1R5M
VCC1R8M
VCC1R2M
VCC5M
VCC3M
VCC1R5AUX
VCC3AUX
AUX_ON
Rome1
PMH4
MAX1631
TSURUMAI
U29
U41
U51
U41
U28
-ICH_SLP_S3
TB62501
M-BAT
S-BAT
-MAINOFF
U23
U61
-EXTPWR_H8
H8
U76
VCC1R5AUX_ON
MPWRG
ICH-4
U5
U28
Rome1
-PWRSWITCH
U28
VCC5M,VCC3M ON
-MPWRG High
-PM_SLP_S5
-PM_SLP_S3
YES
NO
VCC2R5A
U61
VCC3A
PUIO
VCC1R8A
VCC2R5A_ON
A_ON
U30
U29
VCC1R25B
U61
VCC3B
VCC1R8B
VCC5B
Q70
VCC1R2B
B_ON
PUCORE
VCORE_ON
VTT_PWRG
VCCV