Acer V5-471 Notebook Service Guide
Page 39
Super-Multi Drive Item Vendor and models Interface Transfer rates DVD-RAM DVD-R DVD-R DL DVD-RW DVD+R DVD+R DL DVD+RW DVD-ROM Single Layer DVD-ROM Dual Layer CD-R CD-RW CD-ROM Buffer memory ...
Super-Multi Drive Item Vendor and models Interface Transfer rates DVD-RAM DVD-R DVD-R DL DVD-RW DVD+R DVD+R DL DVD+RW DVD-ROM Single Layer DVD-ROM Dual Layer CD-R CD-RW CD-ROM Buffer memory ...
Acer V5-471 Notebook Service Guide
Page 179
... Controller 24h Set ES segment register to 4 GB 26h Enable A20 line 28h Autosize DRAM 29h Initialize POST Memory Manager 2Ah Clear 215 KB base RAM 2Ch 1-3-4-1 RAM failure on address line xxxx 2Eh 1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus Troubleshooting 4-21
... Controller 24h Set ES segment register to 4 GB 26h Enable A20 line 28h Autosize DRAM 29h Initialize POST Memory Manager 2Ah Clear 215 KB base RAM 2Ch 1-3-4-1 RAM failure on address line xxxx 2Eh 1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus Troubleshooting 4-21
Acer V5-471 Notebook Service Guide
Page 180
Table 4-3. BIOS Beep Codes Code 2Fh Beeps POST Routine Description Enable cache before system BIOS shadow 30h 1-4-1-1 RAM failure on data bits xxxx of high byte of memory bus 32h Test CPU bus-clock frequency 33h Initialize Phoenix Dispatch Manager 36h Warm ... 58h 2-2-3-1 Test for unexpected interrupts 59h Initialize POST display service 5Ah Display prompt "Press F2 to enter SETUP" 5Bh Disable CPU cache 5Ch Test RAM between 512 and 640 KB 60h Test extended memory 62h Test extended memory address lines 64h Jump to User Patch1 66h Configure advanced cache registers...
Table 4-3. BIOS Beep Codes Code 2Fh Beeps POST Routine Description Enable cache before system BIOS shadow 30h 1-4-1-1 RAM failure on data bits xxxx of high byte of memory bus 32h Test CPU bus-clock frequency 33h Initialize Phoenix Dispatch Manager 36h Warm ... 58h 2-2-3-1 Test for unexpected interrupts 59h Initialize POST display service 5Ah Display prompt "Press F2 to enter SETUP" 5Bh Disable CPU cache 5Ch Test RAM between 512 and 640 KB 60h Test extended memory 62h Test extended memory address lines 64h Jump to User Patch1 66h Configure advanced cache registers...