![background image](http://html.mh-extra.com/html/sharp/up-5300/up-5300_service-manual_373328069.webp)
Pin
No.
I/O
Signal name
Function
105
I
MEMW#
ISA MEMORY WRITE COMMAND
from CPU
106
I
IOR#
ISA I/O READ COMMAND from CPU
107
I
IOW#
ISA I/O WRITE COMMAND from CPU
108
O
MCS16#
MEMORY CHIP SELECT 16 to CPU
109
GND
110
VDD
111
I
RESETDRV
ISA SYSTEM RESET from CPU
112
I
REFRESH#
ISA D-RAM REFRESH from CPU
113
I
IRQ3
ISA INTERRUPT REQUEST 3 from
ISA
114
I
IRQ4
ISA INTERRUPT REQUEST 4 from
ISA
115
I
IRQ9
ISA INTERRUPT REQUEST 9 from
ISA
116
I
IRQ10
ISA INTERRUPT REQUEST 10 from
ISA
117
I
IRQ11
ISA INTERRUPT REQUEST 11 from
ISA
118
I
IRQ15
ISA INTERRUPT REQUEST 15 from
ISA
119
GND
120
I/O
SD0
ISA BUS D0
121
I/O
SD1
ISA BUS D1
122
I/O
SD2
ISA BUS D2
123
I/O
SD3
ISA BUS D3
124
I/O
SD4
ISA BUS D4
125
I/O
SD5
ISA BUS D5
126
I/O
SD6
ISA BUS D6
127
I/O
SD7
ISA BUS D7
128
I
SA0
ISA BUS SA0
129
I
SA1
ISA BUS SA1
130
VDD
131
GND
132
I
SA2
ISA BUS SA2
133
I
SA3
ISA BUS SA3
134
I
SA4
ISA BUS SA4
135
I
SA5
ISA BUS SA5
136
I
SA6
ISA BUS SA6
137
I
SA7
ISA BUS SA7
138
I
SA8
ISA BUS SA8
139
GND
140
I
SA9
ISA BUS SA9
141
I
SA10
ISA BUS SA10
142
I
SA11
ISA BUS SA11
143
I
SA12
ISA BUS SA12
144
I
SA13
ISA BUS SA13
145
I
SA14
ISA BUS SA14
146
I
SA15
ISA BUS SA15
147
GND
148
I
SA16
ISA BUS SA16
149
I
SA17
ISA BUS SA17
150
I
SA18
ISA BUS SA18
151
I
SA19
ISA BUS SA19
152
I
SA20
ISA BUS SA20
153
I
SA21
ISA BUS SA21
154
I
SA22
ISA BUS SA22
Pin
No.
I/O
Signal name
Function
155
I
SA23
ISA BUS SA23
156
GND
157
O
PIRQ3
INTERRUPT REQUEST 3 to CPU
158
O
PIRQ4
INTERRUPT REQUEST 4 to CPU
159
O
PIRQ9
INTERRUPT REQUEST 8 to CPU
160
O
PIRQ10
INTERRUPT REQUEST 10 to CPU
161
O
PIRQ11
INTERRUPT REQUEST 11 to CPU
162
O
PIRQ15
INTERRUPT REQUEST 15 to CPU
163
O
PWRGD
POWER GOOD to CPU
164
GND
165
VDD
166
O
PRAS0
STD PS RAM WORD CHIP SELECT 0
167
O
PRAS1
OPT PS-RAM WORD CHIP SELECT 1
168
O
PRAS2
OPT PS RAM WORD CHIP SELECT 2
169
O
PRAS3
OPT PS RAM WORD CHIP SELECT 3
170
O
PSREF
PS RAM READ/REFRESH
171
O
BA18
BIOS ROM BASE ADDRESS 18
172
GND
173
O
BA8
BANK ADDRESS 8
174
O
BA7
BANK ADDRESS 7
175
O
BA6
BANK ADDRESS 6
176
O
BA5
BANK ADDRESS 5
177
O
BA4
BANK ADDRESS 4
178
O
BA3
BANK ADDRESS 3
179
O
BA2
BANK ADDRESS 2
180
O
BA1
BANK ADDRESS 1
181
O
BA0
BANK ADDRESS 0
182
VDD
183
GND
184
O
MROS#
MASK ROM CHIP SELECT
185
O
FROS0#
STD FLASH ROM CHIP SELECT
186
O
FROS1#
OPT FLASH ROM 1 CHIP SELECT
187
O
FROS2#
OPT FLASH ROM 2 CHIP SELECT
188
O
FROS3#
OPT FLASH ROM 3 CHIP SELECT
189
O
FROMRP#
FLASH ROM RESET/POWER DOWN
190
O
FROMWP#
FLASH ROM WRITE PROTECT
191
I
IS6#
FLASH ROM READY/BUSY-
(FROMBY#)
192
GND
193
I
TEST1
TEST PIN 1
194
I
TEST2
TEST PIN 2
195
I
TEST3
TEST PIN 3
196
I
TEST4
TEST PIN 4
197
I
TEST5
TEST PIN 5
198
I
CDV
TEST PIN CDV (1:NORMAL 0:TEST)
199
O
VFDOFF#
VFD OFF
200
O
FANON
FAN ON/STANDBY INDICATOR ON-
201
I
PWRGOOD
5V POWER GOOD
202
O
PSCRO
TEST RESET OUT
203
I
PSCRI
TEST RESET IN
204
I
POFF#
ACL INPUT from PS UNIT
205
GND
206
GND
207
NC
208
NC
5 – 36
Summary of Contents for UP-5300
Page 103: ... B S i d e 9 2 ...
Page 105: ... B S i d e 9 4 ...
Page 106: ...3 V G A P W B A S i d e B S i d e 9 5 ...
Page 107: ...4 R i s e r P W B A S i d e B S i d e 5 T P S w i t c h P W B S w i t c h P W B 9 6 ...
Page 108: ...6 I N V E R T E R P W B A S i d e B S i d e 7 L C D R E L A Y P W B A S i d e B S i d e 9 7 ...