Specifications

Epson EL 4S/33
Game Port Connector (CN1)
pin 6
pin 1
pin 15
pin 9
Game Port Connector Pin Assignments
DMA Assignments
Hardware Interrupts
IRQ14
1 HDD controller
IRQ15 1 Avaiiabie
System Memory Map
000FFFFFFh
System BIOS ROM: 64KB
Duplicated from 0F0000h
000FF0000h
Reserved for system board: 64KB
Duplicated from 0E0000h
000FE0000h
16MB
[Maximum
system
Memory)
Extended memory
00100000h 1MB
System BIOS ROM: 64KB
Default Shadow RAM duplicated at FF0000h
000F0000h
Unused or I/O expansion ROM: 160KB
Resewed for ROM on I/O adapters
000C8000h
000C0000h
000B8000h
000B0000h
VGA BIOS ROM: 32KB
Default Shadow RAM
VGA text
(color): 32KB
Unused or VGA text
(monochrome): 32KB
video memory: 64KB
Resewed for graphics display buffer
000A0000h
640KB
Conventional system memory: 640KB
Epson EL 4S/33-4 9/93