Hardware interrupts, Cpu configuration information, System memory map – Seanix Epson ActionNote 900 User Manual
Page 9: Dma assignments, Hardware interrupts cpu configuration information
EPSON ActionNote 900 Series
Port Replicator connector (J6) (continued)
Hardware Interrupts
CPU Configuration Information
Switch
S1 CPU Type
Cyrix 5x86 QFP
daughterboard
Cyrix 5x86 PGA
S2 Speed
(Motherboard speed)
DC board voltage
(on DC board)
1, ON
2, OFF
3, OFF
4, ON
1, ON
2, ON
3, OFF
4, ON
left
center
right
left
center
right
Description
settings for 5x86
QFP
settings for 5x86
PGA
40MHz
33MHz
25MHz
4V
3.45V
3.3V
System Memory Map
00000H
0A0000H
0C0000H
0D0000H
0E0000H
0EA000H
0F0000H
100000H
FFE000H
FFFFFFH
640KB base memory
128KB reserved for graphics display area
Reserved
Reserved
48KB for VGA BIOS
Power Management Utility
64KB for system BIOS
Extended memory
Duplicated code assignment at address 0F0000
DMA Assignments
Channel
Device
DMA0
Available
DMA1
DMA2
Sound Card
Diskette Controller
DMA3
ECP
I
DMA4
Cascade for DMA CTRL #1
DMA5
DMA6
DMA7
Available
Available
Available
10/21/95
AN900-10