SECTION 7
System Information
7-14 PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide
I/O Map
Table 7Ć7
I/O Address and Devices
I/O Address Device
000 ć 00F
8237 DMA controller #1
020 ć 021
8259 interrupt controller #1
022 ć 023
486 internal configuration registers
040 ć 043
8253 system timer
060 ć 061
Keyboard
064
Port B
070 ć 071
RealĆtime clock and NMI mask
080
PowerĆon selfĆtest debug port
081 ć 08F
DMA page registers
092
PS/2 port 92
0A0 ć 0A1
8259 interrupt controller #2
0C0 ć 0DF
8237 DMA controller #2
0E8 ć 0EB
SCAMP PC Card controller (not fully implemented in hardware)
0EC ć 0ED
SCAMP internal registers
0EE
Fast A20
0EF
Fast CPU reset
0F0
Coprocessor busy
0F1
Coprocessor reset
0F4
Slow CPU register
0F5
Fast CPU register
0F9
SCAMP configuration disable register
0FB
SCAMP configuration enable register
108 ć 16F
Reserved for PC Card general use
170 ć 177
Reserved (secondary hard disk controller)
178 ć 1EF
Reserved for PC Card general use
1E8 ć1EF
Scanner communications port on IRQ5
1F0 ć 1F7
Reserved for PC Card (primary ATA/IDE disk controller)
1F8 ć 1FF
Reserved for PC Card general use
200 ć 207
PENGUIN ASIC
208 ć 20F
Digitizer (PENGUIN ASIC)
210 ć 21F
Reserved for PC Card general use
220 ć 224
Reserved for SST radio
225 ć237
Reserved for PC Card general use
238 ć 23F
Reserved (bus mouse)
240 ć 277
Reserved for PC Card general use
278 ć 27F
Reserved (Parallel Port; i.e., LPT1)
280 ć 2E7
Reserved for PC Card general use
2E8 ć 2EF
Reserved ( PC Card / serial port 4 )
2F0 ć 2F7
Reserved for PC Card general use
2F8 ć 2FF
COM 2 (RSĆ485)
320 ć 35F
Reserved for PC Card general use
360 ć 377
Ethernet controller
378 ć 37F
Reserved (PC Card/Parallel port)
380 ć 38F
Reserved (PC Card/SDLC )
7. System Information