Epson 650 - Manual (Page 6)

EPSON ActionNote 650
Pin No. Pin No.
CPU Selection Connector (JP224)
Signal
CURR:
2.1A/1.05A
current
source 3
Inverter Connector (P2)
System I/O Addresses, DMA Assignments, and
Hardware Interrupts
I/O Addresses
Hex
Address
Device Hex
Address Device Hex
Address
Device
DMA con-
troller 1
0F0-0F1 Clear
math co-
processor
busv 27F-2F8 Reserved
020-040 Interrupt
controller 0F1-0F8 Reset
math co-
processor 2F8-2FF Serial
port 2
PCMCIA Socket A Connector (JP225)
040-060 Timer/
counter Math co-
processor 2FF-3B0
Keyboard
controller 100-1F0 Reserved 3B0-3F0 Video
system
070-080 RTC NMI 1F0-200 Hard disk
drive 3BC-3BE
3 Parallel
port 1
DMA
page
register
200-208 Game port 3F0-3F8 Diskette
drive
controller
0A0-0C0 Interrupt
controller
2 208-278 Reserved 3F8-3FF Serial
port 1
0C0-0F0 DMA con-
troller 2
240-24F PCMCIA
controller
DMA Assignments
Level Device Level Device Level Device
DMA0 Available DMA3 ECP DMA6 Available
DMA1 Available DMA4 Cascade for DMA7 Available
Ctrl 1
Diskette
Controller Available
AN650-6 10l25l94