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Acer Power ST Aspire T300 Service Guide - Page 19

Modem, USB Port, Memory Address Map, PCI INTx# and IDSEL Assignment Map, PCI Slot IRQ Routing Map

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Serial Port Item Optional serial port IRQ (via BIOS Setup) COM1: IRQ 3, and 4 COM2: IRQ 4, and 3 Specification Modem Item Fax modem data baud rate (bps) Data modem data baud rate (bps) Voice modem Modem connector type Full duplex Specification V.17 12K/1.44K V.90 32K to 56K (received only) V.253 RJ11 Yes USB Port Universal HCI USB Class Item Specification USB 2.0 Support legacy keyboard for legacy mode Memory Address Map Address 000000 - 07FFFF 080000 - 09FFFF 0A0000 - 0BFFFF 0C0000 - 0C7FFF 0C8000 - 0DFFFF 0E0000 - 0EFFFF 0F0000 - 0FFFFF 100000 - UPPER LIMIT UPPER LIMIT - 4GBytes 512KBytes 128KBytes 128KBytes 32KBytes 96Kbytes 64Kbytes Size 64Kbytes Function Host Memory Host/PCI Memory PCI/ISA Video Buffer Memory Video BIOS Memory ISA Card BIOS & Buffer Memory BIOS Extension Memory Setup and Post Memory PCI Development BIOS System BIOS Memory Main Memory PCI Memory PCI INTx# and IDSEL Assignment Map PCI INTx # INTA# INTB# INTC# INTD# ADIMM-slot PCI-Slot1 PCI-Slot2 PCI-Slot3 PCI Devices N AD20 AD22 AD24 Device IDSEL: ADxx PCI Slot IRQ Routing Map PCI INTX# PCI slot 1 PCI slot 2 PCI slot 3 INTA Route 4 Route 3 Route 2 INTB Route 1 Route 4 Route 3 INTC Route 2 Route 1 Route 4 INTD Route 3 Route 2 Route 1 Bus Mastering Enabled Enabled Enabled Chapter 1 13

Section	Page
Aspire T300_AcerPower ST	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
Ch.1 System Specifications	7
Overview	7
Features & Specifications	8
Front Panel	10
Rear Panel	12
Aspire T300/Power ST Main Board Layout	13
Hardware Specifications and Configurations	15
Power Management Function (ACPI support function)	23
Ch.2 System Utilities	25
Entering Setup	26
Product Information	28
Standard CMOS Features	30
IDE Primary/Secondary Channel Master/Slave Setup	32
Advanced BIOS Features	33
Advanced Chipset Features	35
Integrated Peripherals	37
Power Management Setup	39
PnP/PCI Configuration	41
PC Health Status	42
Frequency Control	43
Load Default Settings	44
Set Supervisor/User Password	45
Save & Exit Setup/Exit Without Saving	47
General Information	50
Before You Begin	50
Disassembly Procedure Flowchart	51
Standard Disassembly Procedure	52
Removing the CD-ROM/CD-RW Drive	52
Removing the Front Panel	53
Removing the HDD/Floppy Cage	53
Ch.4 Troubleshooting	55
Power-On Self-Test (POST)	56
POST Check Points	57
POST Error Messages List	63
Error Symptoms List	65
Ch.5 Jumper and Connector Information	69
Aspire T300/APST Jumpers and Connectors	69
Connector Description	70
Jumper Settings	70

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