Tyan Computer TYAN S1572 ATX user manual System Resource, Timer MAP, DMA Channels, Nmi, Irq H/W

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6.0 System Resource

6.1. TIMER & DMA CHANNEL MAP

TIMER MAP:

TIMER Channel-0 system timer interrupt

 

TIMER Channel-1 DRAM REFRESH request

 

TIMER Channel-2 SPEAKER tone generator

DMA CHANNELS:

DMA Channel-0 Available

 

DMA Channel-1 Available

 

DMA Channel-2 FLOPPY DISK adapter

 

DMA Channel-3 Available

 

DMA Channel-4 Cascade for DMA controller 1

 

DMA Channel-5 Available

 

DMA Channel-6 Available

 

DMA Channel-7 Available

6.2 INTERRUPT MAP

NMI:

Parity check error

IRQ (H/W)

0

System TIMER interrupt from TIMER-0

 

1 KEYBOARD output buffer full

 

2 Cascade for IRQ 9-15

 

3 SERIAL port 2

 

4 SERIAL port 1

 

5 PARALLEL port 2

 

6 FLOPPY DISK adapter

 

7 PARALLEL port 1

 

8 RTC clock

 

9 Available

 

10 Available

 

11 Available

 

12

PS/2 Mouse

 

13

MATH co-processor

 

14

Primary IDE

 

15

Secondary IDE

S1572-001-01 http://www.tyan.com

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Contents Tyan S1572 ATX Page Table Of Contents Introduction Hardware Specifications/Features Software Specifications EnvironmentBoard Installation On Board Resource Setting .1 S1572 ATX Board Layout CPUCPU Speed Settings for Cyrix/SGS/IBM 6x86/M1/AMD Dimm Memory Voltage Select 3V is DefaultHeatsink Fan Power J18 JP23 CPU SpeedBios Voltage Select JP2 Default is CPU Select Default P54C, P55CMMX, & CyrixCmos Reset JP1Default Battery On J8 Jumper Block DescKeylock Connector J25 Reset Connector J8 pinFlash Eprom JP2 Port Setting J15 and J16 Speaker Connector J8 pinsHDD LED J8 pins 13-14 and pins Infra Red Interface J8 pins 8-11 and J2Speaker Connector Installation Hardware Reset Switch Connector InstallationHardware Cmos & Password Reset Refer to for Flash Eprom upgrade proceduresDram Installation CPU Installation Peripheral Device Installation Upgrading Cache MemoryTo Enter Setup Before Boot Press CTRL-ALT- ESC or DEL KEY Entering SetupPress F1 to CONTINUE, CTRL-ALT-ESC or DEL to Enter Setup Control Keys Setup Page menu/Option Page Setup Menu Getting Help Main MenuWStandard Cmos setup WBIOS features setupWChipset features setup WPower Management setupDate Standard Cmos Setup MenuTime Primary/Secondary Drive Type Drive a type/Drive B typeVideo EGA/VGAHalt On MemoryExpanded Memory Other MemoryAttempting to write to boot sector, continue? Y/N Boot SequenceSwap Floppy Drive Default value is Disabled Virus warningBoot Up NumLock Status Default value is On Boot Up Floppy SeekGate A20 Option Chipset Features Setup Video Bios ShadowChipset Features Screen Security OptionPower Management Setup WPower ManagementWPM Control by APM WVideo Off MethodWStandby Mode WDoze ModeWReload Global Timer Events PCI Slot Configuration ROM ISA Bios PCI Slot Configuration Award SOFTWARE, INCWResources Controlled By WIRQ n assigned toLegacy ISA PCI/ISA PnPIntegrated Peripherals Load Setup defaults Enter PasswordROM ISA Bios Cmos Setup Utility Award SOFTWARE, INC Password DisabledIDE HDD Auto Detection Flash Writer Utility Page Flash Memory Writer Utility Screen Award Flash Memory WriterTimer MAP System ResourceDMA Channels NMI