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4. I/O Address Map
4-1. PC specification
Address
Legacy ISA I/O
00-0F
DMA ch0-3 control
10- 1F
(System)
20- 21
Master 8259 Interrupt control
22- 24
Chipset Configuration
40- 43
Timer control
48- 4B
(Timer control)
50-52
(System)
60- 6F
Keyboard/Mouse control
70- 7F
RTC/CMOS RAM Index/Data
80- 8F
DMA Page Register
90- 9F
System Port A Register (PS/2 port)
A0-A1
Slave 8259 Interrupt control
C0-DE
DMA ch4-7 control
F0- F1
(Coprocessor busy clear/reset)
102
65550(VGAC) Global Enable Register
110-16F
170-177
Secondary IDE control
180-19F
POS I/O
1A0-1EF
1F0-1F7
Primary IDE control
200-26F
278-27F
[Parallel Port 2 (LPT2) control]
280-2DF
2E8-2EF
COM4 control
2F0-2F7
2F8-2FF
COM2 control
300-36F
378-37F
Parallel Port 1 (LPT1) control
380-38F
398
Super I/O Configuration Port
3A0-3AF
3BC-3BF
[Parallel Port 3 (LPT3) control]
3C0-3DF
EGA/VGA control
3E0-3E4
PCIC PCMCIA controllers
3E5
[BIOS ROM Write Control]
3E8-3EF
COM3 control
3F0-3F7
FD/HD control
3F8-3FF
COM1 control
400-40A
40B
EISA DMA Extended Mode control
410-4EF
4D6
EISA DMA Extended Mode control
4D7-57F
580-59F
POS I/O
5A0-7EF
7F0-7F1
PSC Special System Register
7F2-7FF
800-97F
980-99F
POS I/O
9A0-A78
A79
[(PnP ISA Auto Configuration Port)]
A7A-BFF
C00-CF7
CF8-CFF
PCI Configuration
D00-D7F
D80-D9F
Reserved [POS I/O]
DA0-FFF
4-2. POS specification
Address
POS I/O
UP-5300
U/A
180-189
Extended Interrupt control
F
18A
Drawer control
F
18B-18F
Timer Counter control
F
190-191
CSIO1 (CKDC) control
Reserved
192-193
CSIO2 (CKDC) control
Reserved
194
BIOS Bank control
F
195
ROM & RAM Disk Base Address
F
196-197
Interrupt Status Read
F
198-199
Mask/Flash ROM Bank control
F
19A-19B
PS-RAM Bank control
F
19C-19D
Mode Switch
Reserved
19E-19F
Clerk Switch
Reserved
580-585
MCR control
F
588
General Purpose I/O
F
590-597
COM5 (Serial3) control
F
598-59F
COM6 (Serial4) control
F
980-987
Serial5 (Built-in Printer)
F
988-98F
Serial6 (CU.VFD) control
F
990-997
Serial7 (Touch Panel) control
F
D80-D8F
[Option]
D90-D9F
[Option]
5. DMA Channel Mapping
DMA Channel
Legacy ISA DMA function
0
ISA Expansion
1
—
2
Floppy Disk Controller
3
ECP parallel port on LPT1
4
[Cascade]
5
—
6
—
7
—
5 – 4
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 ...