Acer Ferrari 1000 Service Guide - Page 98

Beep Code 1-2-4-1 1-3-1-1 1-3-1-3 1-3-2-1 1-3-3-1 1-3-3-3 1-3-4-1 1-3-4-3 1-4-1-3 1-4-2-1 1-4-2-4 1-4-3-1 1-4-3-2 1-4-3-3 1-4-4-1 1-4-4-2 2-1-1-1 2-1-1-3 2-1-2-1 2-1-2-3 Post Code 1Ch 20h 22h 24h 28h 2Ah 2Ch 2Eh 32h 34h 37h 38h 39h 3Ah 3Ch 3Dh 40h 42h 44h 46h Description Reset Programmable Interrupt Controller Test DRAM refresh. Test 8742 keyboard controller. Set ES segment register to 4GB. Autosize DRAM. Clear 512K base RAM. RAM failure on address line xxxx. RAM failure on data bits xxxx of low byte of memory bus. Test CPU bus-clock frequency. COMS RAM read/write failure. Reinitialize the chipset. Shadow system BIOS ROM. Reinitialize the cache. Autosize cache. Configure advanced chipset registers. Load alternate registers with CMOS values. Set Initial CPU speed. Initialize interrupt vector. Initialize BIOS interrupt. Check ROM copyright notice. What to Check (Recommended) • Treat as an expansion card problem. • Check the main board. • Check the system memory. • Check the main board. • Check the keyboard. • Check the keyboard controller. • Check the main board. • Check the main board. • Check the system memory. • Check the main board. • Check the system memory. • Check the main board. • Check the system memory. • Check the main board. • Check the system memory. • Check the main board. • Check the processor. • Check the main board. • Check the main board. • Check the main board. • Check the expansion cards. • Check the system memory. • Check the main board. • Check the secondary cache. • Check the processor. • Check the main board. • Check the secondary cache. • Check the processor. • Check main board. • Check the main board. • Check the main board. • Check the main board. • Treat as an expansion card problem. • Check the main board. • Treat as an expansion card problem. • Check the main board. • Check the main board. 88 Chapter 4