Intel – Intel 815 User Manual
Page 180
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Place HUBREF
generation circuit in
the middle of GMCH
and ICH.
Host freq; high = 100, low = 66
FSB PMOS kicker
Host freq; high = 133, low = 100 or
66
Reserved Strap
SM/LM muxing strap, active low
IOQ depth; high = 4, low = 1
Reserved Strap
ALL-Z low
XOR low
82815B GMCH, PART 2
MEMORY INTERFACE
INTEL(R) 82815 CHIPSET CUSTOMER REFERENCE BOARD
82815 GMCH: SYSTEM MEMORY
40
1.0
3-26-01
7
Platform Apps Engineering
1900 Prairie City Road
Folsom, CA 95630
REV.
R
Last Revision Date:
Sheet:
of
Title:
intel
SMAA4#
SMAA5#
SMAA6#
SMAA7#
SMAB4#
SMAB5#
SMAB6#
SMAB7#
SM_CSB#0
SM_CSB#1
SM_CSB#2
SM_CSB#3
SM_CKE0
SM_CKE1
SM_CKE2
SM_CKE3
SM_DQM0
SM_DQM1
SM_DQM2
SM_DQM3
SM_DQM4
SM_DQM5
SM_DQM6
SM_DQM7
SRCOMP
SM_MD0
SM_MD1
SM_MD2
SM_MD3
SM_MD4
SM_MD5
SM_MD7
SM_MD6
SM_MD8
SM_MD9
SM_MD11
SM_MD10
SM_MD14
SM_MD15
SM_MD12
SM_MD13
SM_MD16
SM_MD17
SM_MD19
SM_MD18
SM_MD22
SM_MD23
SM_MD20
SM_MD21
SM_MD30
SM_MD27
SM_MD26
SM_MD24
SM_MD25
SM_MD29
SM_MD28
SM_MD31
SM_MD32
SM_MD33
SM_MD35
SM_MD34
SM_MD38
SM_MD39
SM_MD36
SM_MD37
SM_MD46
SM_MD43
SM_MD42
SM_MD40
SM_MD41
SM_MD45
SM_MD44
SM_MD47
SM_MD49
SM_MD48
SM_MD53
SM_MD56
SM_MD52
SM_MD54
SM_MD58
SM_MD60
SM_MD62
SM_MD55
SM_MD50
SM_MD51
SM_MD59
SM_MD63
SM_MD61
SM_MD57
SM_BS1
SM_BS0
SM_CSA#1
SM_CSA#2
SM_CSA#0
SM_CSA#3
SM_MAB4
SM_MAB5
SM_MAB6
SM_MAB7
RP36_JP11
RP36_JP10
RP36_JP12
RP35_JP9
RP35_JP8
RP35_JP7
SM_MAA2
SM_MAA12
SM_MAA7
SM_MAA8
SM_MAA0
SM_MAA6
SM_MAA10
SM_MAA5
SM_MAA11
SM_MAA3
SM_MAA9
SM_MAA12
SM_MAA1
SM_MAA4
SM_MAA[12:0]
10,11
SM_BS[1:0]
4,10,11
SM_CSA#[3:0]
10,11
SM_CSB#[3:0]
10,11
SM_RAS#
10,11
SM_CAS#
10,11
SM_WE#
10,11
SM_CKE[3:0]
10,11
DCLK_WR
5
SM_DQM[7:0]
10,11
SM_MD[63:0]
10,11
R_REFCLK
4,5
R_BSEL0#
4
SM_WE#
10,11
SM_MAA9
10,11
SM_CAS#
10,11
SM_BS1
10,11
SM_BS0
4,10,11
SM_RAS#
10,11
SM_MAB[7:4]#
11
HUBREF
8,12,39
SM_MAA12
10,11
SM_MAA10
10,11
SM_MAA11
10,11
TUAL5
4,5,31
VCC3SBY
VCC1_8
Q29
MOSFET N
JP7
1
2
R340
10k
1
2
JP8
1
2
R167
301 1%
1
2
R166
301 1%
1
2
C244
0.01UF
1
2
JP9
1
2
RP35
10K
1
2
3
4
5
6
7
8
RP37
10K
1
2
3
4
5
6
7
8
RP36
10K
1
2
3
4
5
6
7
8
82815 GMCH
PART 2:
SYSTEM
MEMORY
U6-2
82815 GMCH
D23
C23
D22
F21
E21
G20
F20
D20
F19
E19
D19
E18
B18
F18
G18
D17
A3
A1
C1
F2
G3
D6
C5
B4
D4
C2
D3
E4
F5
G4
J6
K5
A26
A25
B24
A24
B23
A23
C22
A22
D21
B21
A21
C20
B20
A20
C19
A19
A4
A2
B1
E1
G2
E6
D5
C4
B3
D2
E3
F4
F6
G5
H4
J4
D13
B16
F12
A16
B12
A12
C11
A11
D12
C13
E11
A13
B7
B15
A15
C14
A14
B10
A10
C10
A9
B13
D11
D15
A17
D14
E14
E13
B17
F9
F8
D10
D9
B9
A8
C16
D18
E16
D8
E8
E9
D7
C8
C7
F7
G10
D16
F15
A7
A6
A18
C17
B6
A5
G7
SMD0
SMD1
SMD2
SMD3
SMD4
SMD5
SMD6
SMD7
SMD8
SMD9
SMD10
SMD11
SMD12
SMD13
SMD14
SMD15
SMD16
SMD17
SMD18
SMD19
SMD20
SMD21
SMD22
SMD23
SMD24
SMD25
SMD26
SMD27
SMD28
SMD29
SMD30
SMD31
SMD32
SMD33
SMD34
SMD35
SMD36
SMD37
SMD38
SMD39
SMD40
SMD41
SMD42
SMD43
SMD44
SMD45
SMD46
SMD47
SMD48
SMD49
SMD50
SMD51
SMD52
SMD53
SMD54
SMD55
SMD56
SMD57
SMD58
SMD59
SMD60
SMD61
SMD62
SMD63
SMAA0
SMAA1
SMAA2
SMAA3
SMAA4
SMAA5
SMAA6
SMAA7
SMAA8
SMAA9
SMAA10
SMAA11
SMAA12
SMAB4#
SMAB5#
SMAB6#
SMAB7#
SMAC4#
SMAC5#
SMAC6#
SMAC7#
SBS0
SBS1
SCSA0#
SCSA1#
SCSA2#
SCSA3#
SCSA4#
SCSA5#
SCSB0#
SCSB1#
SCSB2#
SCSB3#
SCSB4#
SCSB5$
SRAS#
SCAS#
SWE#
SCKE0
SCKE1
SCKE2
SCKE3
SCKE4
SCKE5
SCLK
NC
SDQM0
SDQM1
SDQM2
SDQM3
SDQM4
SDQM5
SDQM6
SDQM7
SRCOMP
C140
22PF
1
2
JP10
1
2
JP11
1
2
R60
40 1%
1
2
JP12
1
2
RP44
10
1
2
3
4
5
6
7
8
RP43
10
1
2
3
4
5
6
7
8