Flash Rom/Lpt1 - EUROCOM D870P Series Service Manual

Flash ROM/LPT1

FLASH ROM
VCC3S
R268
10K VCC5S
U10
FLASH# 1 5 R267 1K
[25] FLASH# IN VCC
[25]
MEMW# 2
[25] MEMW# IN
3 4
GND OUT
TC7S32F
C311
0.1U
RN7 8P4R-32164S471
PD1 1 8 C_PD1 C_PSTB#
[25] PD1
PD0 2 7 C_PD0 C_PATFD#
[25] PD0
PATFD# 3 6 C_PATFD# C_PD0
[25] PATFD#
PSTB# 4 5 C_PSTB# C_PD1
[25] PSTB#
PD7 1 8 C_PD7 C_PD4
[25] PD7
PD6 2 7 C_PD6 C_PD5
[25] PD6
PD5 3 6 C_PD5 C_PD6
[25] PD5
PD4 4 5 C_PD4 C_PD7
[25] PD4
RN4 8P4R-32164S471
RN2 8P4R-32164S471
PSLCT 1 8 C_PSLCT
[25] PSLCT
PPE 2 7 C_PPE
[25] PPE
PBUSY 3 6 C_PBUSY C_PACK#
[25] PBUSY
PACK# 4 5 C_PACK# C_PBUSY
[25] PACK#
PD3 1 8 C_PD3 C_PPE
[25] PD3
PSLIN# 2 7 C_PSLIN# C_PSLCT
[25] PSLIN#
PD2 3 6 C_PD2 C_PD2
[25] PD2
PINIT# 4 5 C_PINIT# C_PD3
[25] PINIT#
RN6 8P4R-32164S471 C_PSLIN#
C_PINIT#
PPERR# R2
[25] PPERR#
BK1608HS601
LPT1
U31
SA0 12 13 SD0
[25] SA0 SD0 [25]
A0 O0
SA1 11 14 SD1
[25] SA1 A1 O1 SD1 [25]
SA2 10 15 SD2
[25] SA2 SD2 [25]
A2 O2
SA3 9 17 SD3
[25] SA3 A3 O3 SD3 [25]
SA4 8 18 SD4
[25] SA4 A4 O4 SD4 [25]
SA5 7 19 SD5
[25] SA5 A5 O5 SD5 [25]
SA6 6 20 SD6
[25] SA6 A6 O6 SD6 [25]
SA7 5 21 SD7
[25] SA7 SD7 [25]
A7 O7
SA8 27
[25] SA8 A8
SA9 26
[25] SA9
A9
SA10 23
[25] SA10 A10
SA11 25
[25] SA11 A11
SA12 4
[25] SA12 A12
VCC5S
SA13 28
[25] SA13 A13
SA14 29
[25] SA14
A14
SA15 3
[25] SA15 A15
SA16 2 32
[25] SA16
A16 VCC
BIOSCS# 22 30 SA17
BIOSCS# SA17 [25]
CE A17
MEMR# 24
[25] MEMR# OE
SA18 1 C310
[25] SA18 VPP
WBIOS# 31 16 0.1U
PGM GND
29F020
CP3 CP2
8P4C-180P 8P4C-180P
CP4 CP1
8P4C-180P 8P4C-180P C401
180P
COM PORT
U18
C1+ 28
C1+
26
VCC
C68
0.1U(K%)
27 C70
V+
C1- 24 0.1U(K%)
C1-
C2+ 1
C2+
C96 3 V- C95
V-
0.1U(K%)
0.1U(K%)
C2- 2
C2-
SOUTA 14 9 COMP3
[25] SOUTA
T1IN T1OUT
RTSA# 13 10 COMP7
[25] RTSA# T2IN T2OUT
DTRA# 12 11 COMP4
[25] DTRA# T3IN T3OUT
COM1RI 20
R2OUTB
DSRA# 19 4 COMP6
[25] DSRA#
R1OUT R1IN
RIA# 18 5 COMP9
[25] RIA# R2OUT R2IN
CTSA# 17 6 COMP8
[25] CTSA#
R3OUT R3IN
SINA 16 7 COMP2
[25] SINA R4OUT R4IN
DCDA# 15 8 COMP1
[25] DCDA#
R5OUT R5IN
21
INVALID T250
23
FORCEON
R63 100K Z461 22 25
VCC5 FORCEOFF GND
MAX3243
R62 10K
VDD3
PME# [18,25,27,28,29,30,31]
Q3
COM1RI G
2N7002(R)
R84 100K
RI1#
DTR1#
CTS1#
SOUT1
RTS1#
RN94 BK32164S121 SIN1
COMP1 4 5 DCD1# DSR1#
COMP6 3 6 DSR1# DCD1#
COMP2 2 7 SIN1 C411 C409
COMP7 1 8 RTS1#
COMP3 4 5 SOUT1 C412 C410
COMP8 3 6 CTS1#
COMP4 2 7 DTR1# 180P 180P 180P 180P
COMP9 1 8 RI1#
RN93 BK32164S121
CN3
D20
29 A C R1 2.7K PPERR#
VCC5S
1
14 1SS355
2 RN1 8P4R-2.7K
15 5 4 PSLCT
3 6 3 PPE
16 C403 C402 7 2 PBUSY
4 0.1U 4.7U(0805) 8 1 PACK#
17 8 1 PSTB#
5 7 2 PATFD#
18 6 3 PD0
6 5 4 PD1
19
7 RN8 8P4R-2.7K
20
8
21 RN5 8P4R-2.7K
9 8 1 PINIT#
22 7 2 PD2
10 6 3 PSLIN#
23 5 4 PD3
11 8 1 PD4
24 7 2 PD5
12 6 3 PD6
25 5 4 PD7
13
28 RN3 8P4R-2.7K
PRT_PORT
Schematic Diagrams
VCC5
C69
0.1U
Sheet 26 of 39
Flash ROM/LPT1
CN5
12
5
9
4
8
3
7
2
6
1
C407 C405 13
C406
C408
COM1_DB9
180P 180P 180P 180P
PPERR# [25]
PSLCT [25]
PPE [25]
PBUSY [25]
PACK# [25]
PSTB# [25]
PATFD# [25]
PD0 [25]
PD1 [25]
PINIT# [25]
PD2 [25]
PSLIN# [25]
PD3 [25]
PD4 [25]
PD5 [25]
PD6 [25]
PD7 [25]
B - 27