Acer Aspire Asx1200 Service Guide
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Chapter 463 2Dh 1 Initialize double-byte language font (Optional) 2 Put information on screen display, including Award title, CPU type, CPU speed, full screen logo. 2Eh Reserved 2Fh Reserved 30h Reserved 31h Reserved 32h Reserved 33h Reset keyboard if Early_Reset_KB is defined e.g. Winbond 977 series Super I/O chips. See also POST 63h. 34h Reserved 35h Test DMA Channel 0 36h Reserved 37h Test DMA Channel 1 38h Reserved 39h Test DMA page registers 3Ah Reserved 3Bh Reserved 3Ch Test 8254 3Dh Reserved...
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64Chapter 4 51h Reserved 52h Test all memory (clear all extended memory to 0) 53h Clear password according to H/W jumper (Optional) 54h Reserved 55h Display number of processors (multi-processor platform) 56h Reserved 57h 1 Display PnP logo 2 Early ISA PnP initialization TAssign CSN to every ISA PnP device 58h Reserved 59h Initialize the combined Trend Anti-Virus code 5Ah Reserved 5Bh (Optional Feature) Show message for entering AWDFLASH.EXE from FDD 5Ch Reserved 5Dh 1 Initialize Init_Onboard_Super_IO...
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Chapter 465 76h (Optional Feature) Enter AWDFLASH.EXE if: -AWDFLASH.EXE is found in floppy drive. -ALT+F2 is pressed. 77h Detect serial ports & parallel ports 78h Reserved 79h Reserved 7Ah Detect & install co-processor 7Bh Reserved 7Ch Init HDD write protect 7Dh Reserved 7Eh Reserved 7Fh Switch back to text mode if full screen logo is supported. TIf errors occur, report errors & wait for keys TIf no errors occur or F1 key is pressed to continue: TClear EPA or customization logo 80h Reserved 81h...
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66Chapter 4 94h 1 Enable L2 cache 2 Program Daylight Saving 3 Program boot up speed 4 Chipset final initialization 5 Power management final initialization 6 Clear screen & display summary table 7 Program K6 write allocation 8 Program P6 class write combining 95h Update keyboard LED & typematic rate 96h 1 Build MP table 2 Build & update ESCD 3 Set CMOS century to 20h or 19h 4 Load CMOS time into DOS timer tick 5 Build MSIRQ routing table FFh Boot attempt (INT 19h) POST Code (Hex)POST Routine...
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Chapter 467 Online Support Information This section describes online technical support services available to help you repair the desktop computer. If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch office. Acer Branch Offices and Regional Business Units may access our website at http://global.acer.com/ support/index. However some information sources will require a user ID and password. These can be obtained directly from Acer CSD Taiwan. Acers...
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68Chapter 4
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Chapter 569 System Block Diagram System Block Diagram and Board Layout Chapter 5
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70Chapter 5 Board Layout Mainboard NoCodeDescriptionNoCodeDescription 1 CPUFAN1 Processor fan cable connector 13 JBIOS1 Clear CMOS jumper 2 PWR2 24-pin ATX power connector 14 FIREH1 IEEE 1394 connector 3 DIMM1 and 2 System memory slots 15 AUDIOF1 Front audio connector 4 UI Processor socket 16 PCIEX16 PCI Express x16 slot 5 DEBUGH1 Debug connector 17 PCIEX1 PCI Express x1 slot 6 SATA2 SATA 2 data cable connector 18 Top: Line-out and line-in jack and rear speaker and center speaker jack Bottom:...
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Chapter 571 System Jumpers NameLocationDefaultSettings Clear CMOS/NVRAM JBIOS1 1-2 2-3 Normal (default) Clear CMOS SKU selection GPIOH1 1-2 2-3SSID = 0153 AX1200 SSID = 0157 AX3200
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72Chapter 5