Table of Contents
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1.8V_CVDD
Clos e to re s pe ctive pow e r Pins
+1.8V
FB201
120 OHM
+
C202
C203
C204
C205
C206
C207
C201
10uF/50V
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
GND
1.8V_DVI
+1.8V
FB203
120 OHM
C216
C217
C218
C219
C215
+
10uF/50V
0.1uF
0.1uF
0.1uF
0.1uF
GND
1.8V_AVDD
1.8V_PLL
C220
+1.8V
+1.8V
FB205
FB206
10uF/50V
120 OHM
120 OHM
C231
+
C233
C232
+
C234
10uF/50V
10uF/50V
0.1uF
0.1uF
GND
GND
3.3V_LVDS
+3.3V
FB209
120 OHM
C239
C240
C241
C242
C243
C238
+
10uF/50V
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
GND
NC
U203
ROMCE#
R204
0
1/16W
ROM_SCSn
1
CE#
VDD
RMADDR15
R206
0
1/16W
ROM_SDO
2
SO
HOLD#
GPIO7/IRQin
R208
0
1/16W
ROM_WP#
3
WP#
SCK
4
VSS
+3.3V
R242
10K
1/16W
GND
SST25VF010-20-4C-SA
BOOTSTRAP SIGNALS
ADDRESS
NAM E
SET R
DESCRIPTION
x
To specify the device address for serial host
ROM_ADDR(6:0)
DEV_ADDR(6:0)
interface
x
00=Check for signature in external ROM and if
ROM_ADDR(8:7)
FORCEI/EROM
x
present jump to external ROM
ROM_ADDR9
OCM_USES_TCLK
x
0=OCM_CLK=FCLK
ROM_ADDR(11:10)
TCLKSEL
x
00=for TCLK=14.3MHz
ROM_ADDR12
DDCHANSEL
1
1=DDC2Bi=DDC_SCL_VGA/DDC_SCL_VGA
ROM_ADDR(14:13)
OP_MODE
x
00=UART
ROM_ADDR15
SPI_EN
x
0=Parallel,1=SPI
0=Internal ROM on at top of 1M in X86
address space(normal operation)
ROM_ADDR16
OCM_ROM
x
1=Internal ROM off
0=TCLK source using external
ROM_ADDR17
OSC_SEL
x
crystal
C208
0.1uF
+3.3V
FB202
120 OHM
C210
C211
C212
C209
+
10uF/50V
0.1uF
0.1uF
0.1uF
GND
+3.3V
+3.3V_RGB
FB204
+
120 OHM
+
C222
C223
C224
C225
C226
C227
C228
C229
C221
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
10uF/50V
GND
+3.3V
GND
FB207
+3.3V
120 OHM
C235
0.1uF
FB208
C236
120 OHM
+
GND
10uF/50V
GND
AGND
C244
33pF
X201
+3.3V
14.318MHz
C245
33pF
GPIO4/UART_DI
GPIO5/UART_DO
+3.3V
DDC_SCL_VGA
DDC_SDA_VGA
U202
DDC_SCL_DVI
3
DDC_SDA_DVI
VCC
2
RSTN
1
GND
BLUE+
C246
BLUE-
SOG_MCSS
0.01uF
GREEN+
GREEN-
3
GND
RED+
RED-
HS
VS
1
2
RX2+
RX2-
RX1+
RX1-
RX0+
RX0-
RXC+
+3.3V
RXC-
R243
10K
1/16W
8
+5V
+3.3V_RGB
R205
7
ROM_HOLD#
R207
0
1/16W
GPIO8/IRQout
6
ROM_SCLK
R209
0
1/16W
RMADDR17
RMADDR16
5
ROM_SDI
R210
0
1/16W
20K
1/16W
SI
R215
R249
0
1/16W
C248
R217 NC
1uF/25V
R218
20K
1/16W
GND
R222
R250 NC
20K
1/16W
R249
Serial ROM >>0
Parallel ROM>>NC
R251 Dual >>20K
Analog-only>>NC
HP f1905 Service Manual
1.8V_AVDD
1.8V_DVI
1.8V_PLL
1.8V_CVDD
3.3V_LVDS
C213
C214
U201
0.1uF
0.1uF
RESERVED
113
AVDD_IMB_3.3
CH3P_LV_E
120
AVDD_RX2_3.3
CH3N_LV_E
C230
125
AVDD_RX1_3.3
CLKP_LV_E
130
AVDD_RX0_3.3
CLKN_LV_E
0.1uF
134
AVDD_RXC_3.3
CH2P_LV_E
141
AVDD_BLUE_3.3
CH2N_LV_E
145
3.3V_A
AVDD_GREEN_3.3
CH1P_LV_E
150
AVDD_RED_3.3
CH1N_LV_E
154
AVDD_ADC_3.3
CH0P_LV_E
172
LBADC_VDD_3.3
CH0N_LV_E
171
AVDD_RPLL_3.3
CH3P_LV_O
C237
115
AGND_IMB
CH3N_LV_O
117
AGND_RX2
CLKP_LV_O
0.1uF
122
AGND_RX1
CLKN_LV_O
127
AGND_RX0
CH2P_LV_O
GND
131
AGND_RXC
CH2N_LV_O
136
GND_RXPLL
CH1P_LV_O
144
AGN D
AGND_BLUE
CH1N_LV_O
149
AGND_GREEN
CH0P_LV_O
153
AGND_RED
CH0N_LV_O
156
AGND_ADC
GND
163
GND_ADC
RESERVED
165
GND_RPLL
RESERVED
168
AGND_RPLL
RESERVED
177
LBADC_GND
RESERVED
AGND
JTAG_RESET
RESERVED
TCLK
170
TCLK
RESERVED
XTAL
169
XTAL
RESERVED
RESERVED
GPIO4/UART_DI
71
HOST_SCL/UART_DI
RESERVED
GPIO5/UART_DO
72
HOST_SDA/UART_DO
RESERVED
77
DDC_SCL_VGA
RESERVED
78
DDC_SDA_VGA
JTAG_TDO
79
DDC_SCL_DVI
RESERVED
80
DDC_SDA_DVI
JTAG_TDI
178
RESETn
142
BLUE+
RESERVED
143
BLUE-
RESERVED
146
SOG_MCSS
RESERVED
147
GREEN+
RESERVED
148
GREEN-
151
RED+
PPWR
152
RED-
PBIAS
181
HSY NC/CSY NC
182
VSY NC
GPIO0
155
RESERVED
GPIO1
GPIO2
118
RX2+
GPIO3
119
RX2-
GPIO4
123
RX1+
GPIO5
124
RX1-
GPIO6
128
RX0+
GPIO7
129
RX0-
GPIO8
132
RXC+
GPIO9/NVRAM_SCL
133
RXC-
GPIO10/NVRAM_SDA
138
CLKOUT
GPIO11/PWM0
GPIO12/PWM1
255
1/16W
114
REXT
GPIO13/PWM2
GPIO14/PWM3
RMADDR17
183
ROM_ADDR17
RMADDR16
184
ROM_ADDR16
GPIO15
RMADDR15
185
ROM_ADDR15
186
ROM_ADDR14
RESERVED
RMADDR13
187
ROM_ADDR13
RESERVED
RMADDR12
188
ROM_ADDR12
189
ROM_ADDR11
RESERVED
192
ROM_ADDR10
CRVSS
193
ROM_ADDR9
CRVSS
194
ROM_ADDR8
CRVSS
195
ROM_ADDR7
CRVSS
196
ROM_ADDR6
CRVSS
197
ROM_ADDR5
CRVSS
198
ROM_ADDR4
CRVSS
199
ROM_ADDR3
CRVSS
200
ROM_ADDR2
CRVSS
201
ROM_ADDR1
CRVSS
202
ROM_ADDR0
CRVSS
CRVSS
203
ROM_DATA7
204
ROM_DATA6
207
ROM_DATA5
208
ROM_DATA4
1
ROM_DATA3
2
ROM_DATA2
3
ROM_DATA1
LBADC_IN1
4
ROM_DATA0
LBADC_IN2
LBADC_IN3
5
ROM_OEn
LBADC_RETURN
6
ROM_WEn
ROMCE#
7
ROM_CSn
R233
GM5321
PQFP-208
10K
1/16W
+3.3V
GND
20K
1/16W
R251
GND
+5V
R252
47K
1/16W
R238
R239
10K
1/16W
10K
1/16W
GND
GPIO5/UART_DO
GPIO5/UART_DO
GPIO4/UART_DI
GPIO4/UART_DI
NC
R246
DDC_SCL_VGA
GND
DDC_SDA_VGA
NC
R247
22
10
LV_E[0..9]
13
LV_E9
14
LV_E8
15
LV_E7
16
LV_E6
17
LV_E5
18
LV_E4
19
LV_E3
20
LV_E2
21
LV_E1
22
LV_E0
LV_O[0..9]
LV_O9
29
30
LV_O8
31
LV_O7
32
LV_O6
33
LV_O5
LV_O4
34
LV_O3
35
36
LV_O2
37
LV_O1
38
LV_O0
43
44
45
46
56
57
58
59
60
61
62
63
64
65
66
47
48
49
55
67
PPWR
68
R253
0
1/16W
PBIAS
81
POWER_ON
82
R201
4.7K
1/16W
LED_GRN
83
R202
4.7K
1/16W
LED_RED
84
R254
NC
85
88
DVI_HPD
89
DVI_EDID_WP
90
GPIO7/IRQin
91
GPIO8/IRQout
92
SCL
93
SDA
98
PWM0
99
100
WP
101
69
VGA_PG
167
135
70
206
191
180
140
97
94
76
74
51
42
8
87
GND
+3.3V
+5V
173
LBADC1
174
LBADC2
175
176
R240
R241
NC
0
1/16W
GND
R245
R235
10K
1/16W
10K
1/16W
U205
8
1
VCC
A0
WP
R244
100
1/16W
7
2
WP
A1
SCL
R236
100
1/16W
6
3
SCK
A2
SDA
R237
100
1/16W
5
4
SI
VSS
R248
M24C16-MN6T
NC
NC
CN201
1
2
GND
3
715L-xxxx-A
4
Title
RS232
Size
Document Number
C
gm5321
Date:
Friday , July 23, 2004
Sheet
2
of
C250
1uF/25V
GND
Rev
A
4
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