Specifications

EPSON PowerSpan
Input/output addresses (continued)
l/O address
Device
OCO-ODE
Master DMA controller 2
OF0
Reset numeric coprocessor
OF8 - OFF
1FO - lF8
278 - 278
X0 - 2DF
Numetic coprocessor
IDE hard drive controller
parallel port 2 (LPTO); parallel port 3 (PS&compatble)
Clock calendar
I2E8-2EF
1 Serial port 4 (COM4)
2F8
- 2FF
378
- 37F
380-388
3BC-3BE
Serial port 2
(COM2)
Paraliel port
1 (LPTl); parallel
port
2 (PS&compatble)
WDQOC31 onboard Video registers
Parallel port 3 (LPT3); parallel port 1 (PS&compatble)
3BF - 3DF
3E8-3EF
3F0 - 3F5
3F6
3F7
WC552 registers
Setial potl3 (COM3)
Onboard diskette controller
Onboard IDE hard drive controller
Onboard IDE read
3lT
3F8 - 3FF
Onboard diskette controller readkrite
Serial port 1 (CCMl)
I400-408
I Extended DMA controller 1 registers
I
4D4
404
co2 - co4
C60 - C83
C84
Extended DMA 2 chaining
Extended DMA 2 write mode
System baseboard ccnf @ration information
System baseboard ElSA ID register
System baseboard enable
1 C85 - C87
1 Reserved
512MB
System Memory Map
Starting Hex address
address range
OOOOOh to
07FFFh
512KB 8OOOOh to
QFFFFh
64oKB
OAOOOOh to
788KB
OBFFFFh
OCOOOOh to
I
632KB 1 ODOOOOh to
8Q6KB
DFFFFh
OEOOOOh to
I OE7FFFh
928KB
Q36KB
Q44KB
Q6OKB
1MB
OE8OOOh to
EQFFF h
OEAOOOh to
OEBFFFh
OECOOOh to
OEFFFFh
OFOOOOh to
FFFFFh
1OOOOOh to
Size
512KB
128KB
128KB
Function
Base memory
Base memory enabled in
SETUP or the EISA
Configuration utility
Video display RAM
32KB
64KB
32KB
otfboard yideo ROM BIOS
(can be shadowed)
Adapter ROM BIOS
extensions (can be shadowed)
Adapter ROM BIOS
extensions
Built-in video BIOS ROM (can
be shadowed or mapped to
OCOO8Oh)
8KB
I
EISA Configuration data
I
64KB
I
System BIOS area
I
I
FWW
EOOOO
-DO000 i
C8000
Recovery BlDS (16KB)
Video BIOS Alias Ares
User Araa (6KB)
EISA Conflguratbn
(6KB)
ECOOO
9/1/93
Epson PowerSpan-7