Satellite 1400 Series Interrupts / Memory Map

Interrupt Assignments

Interrupt

Level

Assigned to:

NMI

RAM Parity Error, I/O Channel Error

 

0

Timer

 

1

Keyboard

 

2

PIC 2 for level 8 to 15

1

3

COM 2/4*

 

4

COM 1/3*

 

5

LPT 2*, or Secondary IDE*

 

6

FDC

 

7

LPT 1/3*

 

8

RTC

 

9

Modem 2nd IRQ*

 

10

Reserved

2

11

Reserved

 

12

PS/2 Mouse

 

13

Math co-processor

 

14

Primary IDE*

 

15

CD-ROM (ATAPI)*

*These I/O assignments are controlled by PnP OS or system setup as shown below:

IRQ level

0 1 2 3

4

5

6 7 8

9

10

11 12 13 14 15

 

 

 

 

 

 

 

 

 

 

IDE

$

$

$

$

$

$

$

%

$

CD-ROM (ATAPI)

$

$

$

$

$

$

$

$

%

Serial Port

%

%

$

$

$

$

$

$

$

Modem 2nd IRQ

 

 

$

$

%

$

 

 

$

FIR

$

$

$

$

$

$

$

$

$

Parallel Port

 

 

$

$

$

$

$

$

$

PCI Bus

$

$

$

$

$

$

$

 

 

 

 

%: Default setting, $: Possible setting

 

 

System Memory Map

Address range

Space (Kbytes)

Use

 

 

 

'00000000' to '0009FFFF'

640

Conventional memory

'000A0000' to '000BFFFF'

128

Video RAM

'000C0000' to '000CFFFF'

64

VGA BIOS-ROM

'000D0000' to '000EFFFF'

128

Not used (PCI/ISA)

'00F0000' to '000FFFFF'

64

System BIOS ROM (Shadow RAM)

'00100000' to '03FDFFFF'

64,384

System working memory

 

 

 

'03FE0000' to '03FEFFFF'

64

ACPI

'03FF0000' to '03FFFFFF'

64

DMI

'04000000' to '0FFFFFFF'

196,608 (MAX.)

Optional working memory

 

 

 

'0A)000000' to 'FFFDFFFF'

 

Memory expansion in expansion port

 

 

 

'100A0000' to '100FFFFF'

384

System Management RAM and etc

'FFFF0000' to 'FFFFFFFF'

1,024

BIOS-ROM (duplicated) and etc

 

 

 

Toshiba TRR

Page 19

7/02, Satellite

Page 19
Image 19
Toshiba 1405-S151, 1405-S152 specifications Satellite 1400 Series Interrupts / Memory Map, Interrupt Level Assigned to