Mch Host - EUROCOM L295U Series Service Manual

MCH Host

GMCHVTT [5,28]
V_CORE [2,3,4,14,22,27]
[3] HD#[0..63]
[3] ADS#
[3] HTRDY#
[3] DRDY#
[3] DEFER#
[3] HITM#
[3] HIT#
[3] HLOCK#
[3] BR0#
[3] BNR#
[3] BPRI#
[3] DBSY#
[3] RS#0
[3] RS#1
[3] RS#2
[3] CPURST#
GMCH-PWROK
R63 20_1% Z0601
HDSWING
HGTLREF
3.5 inches max
CLOSE MCH
GMCHVTT
R69 200_1% HGTLREF
HGTLREF [3]
[3]
GMCHVTT
C66
R70
301_1%
0.01u_R
HDSWING
C54
R66
0.01u
102_1%
[3,14,22] SUSB#
[12,14,28] PWROK
HD#[0..63]
F27
ADS#
D24
HTRDY#
G24
DRDY#
L21
DEFER#
E23
HITM#
K21
HIT#
E25
HLOCK# SPRINGDALE-GMCH HOST INTERFACE
B24
BREQ0#
B28
BNR#
B26
BPRI#
E27
DBSY#
G22
RS0#
C27
RS1#
B27
RS2#
E8
CPURST#
AE14
PWROK
E24
HDRCOMP
C25
HDSWING
F23
HDVREF
CA202
0.1u
HA#[3..31]
HA#[3..31]
+3V
C235
0.1u
5 U27
2
4 GMCH-PWROK
1
3
74AHC1G08(SC-88A)
Schematic Diagrams
U2B
L20
PROCHOT# PROCHOT# [3]
L13
BESL0 BSEL0 [4]
L12
BSEL1 [4]
BSEL1
B19
HDSTBP#0 [3]
HDSTBP0#
C19
HDSTBN0# HDSTBN#0 [3]
C17
HDB#0 [3]
DINV0#
L19
HDSTBP#1 [3]
HDSTBP1#
K19
HDSTBN1# HDSTBN#1 [3]
L17
DINV1# HDB#1 [3]
G9
HDSTBP2# HDSTBP#2 [3]
F9
HDSTBN#2 [3]
HDSTBN2#
L14
DINV2# HDB#2 [3]
D12
HDSTBP3# HDSTBP#3 [3]
E12
HDSTBN#3 [3]
HDSTBN3#
C15
DINV3# HDB#3 [3]
SPRINGDALE-G
MCHCLK# [4]
MCHCLK [4]
HADSTB#0 [3]
HADSTB#1 [3]
HREQ#4 [3]
HREQ#3 [3]
HREQ#2 [3]
HREQ#1 [3]
HREQ#0 [3]
MCH Host (71-P2970-002A) B - 7
Sheet 6 of 28
MCH Host