82845G Datasheet, PDF (28/193 Pages) Intel Corporation – Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)

Signal Description
Table 2-1. DDR-to-SDR Signal Mapping (Sheet 3 of 3)
DDR Ball Name
SCKE_0
SDQ_23
SDQ_25
SMAA_7
SDQ_30
SMAA_6
SDQ_1
SCMDCLK_3
SDQ_33
SMAA_2
SDQ_34
SMAB_1
SDQ_40
SBA_1
SDM_5
SDR Ball Name
Reserved
SDQ_45
SDQ_47
SMAA_1
SDM_4
Reserved
SDQ_33
SMAA_6
SDM_3
SMAA_8
SDQ_48
SBA_1
SDQ_50
SMAA_12
SDQ_52
Ball #
AP13
AP14
AP16
AP17
AP18
AP19
AP2
AP21
AP22
AP23
AP24
AP25
AP26
AP27
AP28
DDR Ball Name
SDQS_5
SDQ_2
SDQ_46
SDQ_47
SDQ_49
SDQ_53
SDQS_6
SDQ_55
SDQ_7
SDQ_8
SDQ_12
SDQS_1
SDQ_14
SDQ_10
SDR Ball Name
Reserved
SDQ_34
SDQ_21
SDQ_22
SDQ_23
SDQ_56
Reserved
SDQ_26
SDQ_35
SDQ_36
SDQ_37
Reserved
SDQ_7
SDQ_8
Ball #
AP29
AT3
AT30
AT31
AT32
AT33
AT34
AT35
AT4
AT5
AT6
AT7
AT8
AT9
2.3
Hub Interface
Signal
Name
HI_[10:0]
HI_STBS
HI_STBF
Type
Description
I/O
sts
Hub Interface Signals: HI[10:0] are used for the hub Interface.
I/O
Hub Interface Strobe: HI_STBS is one of two differential strobe signals used to
sts
transmit or receive packet data over the hub Interface.
I/O
Hub Interface Strobe Complement: HI_STBF is one of two differential strobe
sts
signals used to transmit or receive packet data over the hub Interface.
28
Intel^® 82845G/82845GL/82845GV GMCH Datasheet