Signal Description
R
32
Intel
®
82925X/82925XE MCH Datasheet
Table 2-2. System Memory Reset and S3 States
Interface Signal
Name I/O
State During
RSTIN#
Assertion
State After
RSTIN# De-
assertion
S3
Pull-up/
Pull-down
Channel A
SCLK_A[5:0] O
TRI
TRI
TRI
SCLK_A[5:0]# O TRI
TRI
TRI
SCS_A[3:0]# O
TRI
TRI
TRI
SMA_A[13:0] O
TRI
TRI
TRI
SBS_A[2:0] O
TRI
TRI
TRI
SRAS_A# O
TRI
TRI
TRI
SCAS_A# O
TRI
TRI
TRI
SWE_A# O
TRI TRI
TRI
SDQ_A[63:0] I/O
TRI
TRI
TRI
SDM_A[7:0] O
TRI
TRI
TRI
SCB_A[7:0]
1
I/O
TRI
TRI
TRI
SDQS_A[8:0]
2
I/O TRI
TRI
TRI
SDQS_A[8:0]#
2
I/O TRI
TRI
TRI
SCKE_A[3:0] O LV
LV
LV
System
Memory
SODT_A[3:0] O LV
LV
LV
Channel B
SCLK_B[5:0] O
TRI
TRI
TRI
SCLK_B[5:0]# O TRI
TRI
TRI
SCS_B[3:0]# O
TRI
TRI
TRI
SMA_B[13] O
TRI
TRI
TRI
SMA_B[12:11] O LV
LV
LV
SMA_B[10:8] O
TRI
TRI
TRI
SMA_B[7] O
LV
LV
LV
SMA_B[6:0] O
TRI
TRI
TRI
SBS_B[2] O
LV
LV
LV
SBS_B[1:0] O
TRI
TRI
TRI
SRAS_B# O
TRI
TRI
TRI
SCAS_B# O
TRI
TRI
TRI
SWE_B# O
TRI TRI
TRI
SDQ_B[63:0] I/O
TRI
TRI
TRI
SDM_B[7:0] O
TRI
TRI
TRI
SCB_B[7:0]
1
I/O
TRI
TRI
TRI
System
Memory
SDQS_B[8:0]
2
I/O TRI
TRI
TRI
Summary of Contents for 82925X
Page 78: ...Host Bridge DRAM Controller Registers D0 F0 R 78 Intel 82925X 82925XE MCH Datasheet...
Page 98: ...EPBAR Registers Egress Port Register Summary R 98 Intel 82925X 82925XE MCH Datasheet...
Page 108: ...DMIBAR Registers Direct Media Interface DMI RCRB R 108 Intel 82925X 82925XE MCH Datasheet...
Page 156: ...Host PCI Express Graphics Bridge Registers D1 F0 R 156 Intel 82925X 82925XE MCH Datasheet...
Page 172: ...System Address Map R 172 Intel 82925X 82925XE MCH Datasheet...
Page 192: ...Electrical Characteristics R 192 Intel 82925X 82925XE MCH Datasheet...