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Toshiba TRR Page 19 7/02, Satellite
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*
8RTC
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