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6
AP PEN DIX A - I/O Port Map
The fol low ing is a list of PC I/O ports. Ad dresses marked with a '-' are not used on the EBC-LP but
their use should be care fully quali fied so as not to con flict with other I/O boards. I/O ad dresses marked
with a '+' are used on the EBC-LP board and are unique to the WinSystems' de sign. I/O Ad dresses
marked with '**' are gen er ally un used and should be the ba sis for the first choices in I/O ad dress
se lec tion.
Hex Range
000- 00F
**010- 01F
020- 021
+022- 023
**024- 03F
040- 043
**044- 05F
060- 06F
070- 071
**072- 07F
080- 08F
**090- 09F
0A0- 0BF
0C0- 0DF
**0E0- 0EF
0F0- 0F1
**0F2- 11F
+120- 12F
**130- 1DF
+1E0- 1EF
1F0- 1FF
-200- 20F
-210- 21F
-220- 22F
**230- 237
-238- 23B
**240- 277
278- 27F
**280- 2AF
-2B0 -2DF
-2E0 -2E7
2E8- 2EF
**2F0- 2F7
2F8- 2FF
-300- 31F
-320- 32F
**330- 377
-378- 37F
-380 -3AF
030530
Us age
8237 DMA #1
FREE
8259 PIC #1
Fi nali 486 Chipset Reg is ters
FREE
8254 Timer
FREE
8042 Key board Con trol ler
CMOS RAM/RTC
FREE
DMA Page Reg is ters
FREE
8259 PIC #2
8237 DMA #2
FREE
Co proc es sor Con trol
FREE
WS16C48 HDIO
FREE
SSD, Led, Watch dog con trol
Fixed Disk I/O
Joy stick port
PCM SSD I/O Ports
Sound blas ter I/O ports
FREE
BUS Mouse
FREE
LPT1
FREE
EGA Video
GPIP In ter face
COM4
FREE
COM2
Pro to type Card
XT Hard Disk
FREE
Par al lel Printer
SDLC
EBC-LP OPERATIONS MANUAL
Page 6-1
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