Specifications

PL-6930 / PL-7930 Series User Manual
A-2
1 I/O Map
Address AT System Device System Device
0000H-001FH DMA controller (8237)
0020H-003FH Interrupt controller (8259A)
0040H-005FH System timer (8254)
0060H-006FH Keyboard Controller
0070H-007FH Real-time clock, NMI mask
0080H-009FH DMA page register
00A0H-00BFH Interrupt controller 2 (8259A)
00C0H-00DFH DMA controller 2 (8237)
00F0H-00FFH Numeric data processor
0170H-017FH Hard disk (IDE)
01F0H-01FFH Hard disk (IDE)
0200H-0207H Game I/O
0290H-029FH Reserved
02E8H-02EFH Reserved
Touch Panel
Serial Port 4 (COM4)
02F8H-02FFH Serial port 2 (COM2) : General Use
03B0H-03BBH Video controller (VGA)
03C0H-03DFH Video controller (VGA)
03E8H-03EFH Reserved Serial port 3 (COM3)
03F8H-03FFH Serial port 1 (COM1) :General Use