Acer Aspire T100 Aspire T100/SV Service Guide - Page 23

Memory Map Address Range (decimal) Address Ragne (hex) 960K-1024K F0000-FFFFF 896K-960K E0000-EFFFF 800K-896K C8000-DFFFF Size 64KB 64KB 96KB 640K-800K 639K-640K A0000-C7FFFF 9FC00-9FFFF 160KB 1KB 512K-639K 0K-512K 80000-9FBFF 00000-7FFFF 127KB 512K Description Runtime BIOS Reserved Available high DOS memory (open to the PCI bus) Video memory and BIOS Entended BIOS data (movable by memory manager software) Extended conventional memory Conventional memory PCI INTx# and IDSEL Assignment Map PCI INTx # INTA# INTB# INTC# INTD# PCI Devices ADIMM-slot PCI-Slot1 PCI-Slot2 PCI-Slot3 Device IDSEL: ADxx N AD 18 AD 17 AD 16 PCI Slot IRQ Routing Map PCI INTX# PCI slot 1 PCI slot 2 PCI slot 3 INTA Route 2 Route 7 Route 6 INTB Route 3 Route 6 Route 7 INTC Route 4 Route 5 Route 8 INTD Route 1 Route 8 Route 5 Bus Mastering Enabled Enabled Enabled I/O Map Address (hex) 0000-000F 0020-0021 0040-0043 0060 0061 0064 0070-0071 0072-0073 0080-008F 0092 00A0-00A1 00B2-00B3 00C0-00DF 00F0 0170-0177 01F0+01F7 Size 16 bytes 2 bytes 4 bytes 1 bytes 1 byte 1 byte 2 bytes 2 bytes 16 bytes 1 byte 2 bytes 2 bytes 32 bytes 1 byte 8 bytes 8 bytes Description DMA controller Programmable Interrupt Control (PIC) System timer Keyboard controller byte-reset IRQ System speaker Keyboard controller, CMD/STAT byte System CMOS/Real Time Clock System CMOS DMA controller Fast A20 and PIC PIC APM control DMA Numeric data processor Secondary IDE channel Primary IDE channel 16 Chapter 1