Acer Aspire 5230 Service Guide

Chapter 4159
POST Codes Tables
These tables describe the POST codes, functions, phases, and components for the POST.
Chipset POST Codes
The following table details the chipset POST codes and functions used in the POST.
CodeBeepsPOST Routine Description
02h Verify Real Mode
03h Disable Non-Maskable Interrupt (NMI)
04h Get CPU type
06h Initialize system hardware
08h Initialize chipset with initial POST values
09h Set IN POST flag
0Ah Initialize CPU registers
0Bh Enable CPU cache
0Ch Initialize caches to...

160Chapter 4
3Ch Advanced configuration of chipset registers
3Dh Load alternate registers with CMOS values
42h Initialize interrupt vectors
45h POST device initialization
46h 2-1-2-3 Check ROM copyright notice
48h Check video configuration against CMOS
49h Initialize PCI bus and devices
4Ah Initialize all video adapters in system
4Bh QuietBoot start (optional)
4Ch Shadow video BIOS ROM
4Eh Display BIOS copyright notice
50h Display CPU type and speed
51h Initialize EISA board
52h Test keyboard
54h Set key...

Chapter 4161
87h Configure Motheboard Configurable Devices (optional)
88h Initialize BIOS Data Area
89h Enable Non-Maskable Interrupts (NMIs)
8Ah Initialize Extended BIOS Data Area
8Bh Test and initialize PS/2 mouse
8Ch Initialize floppy controller
8Fh Determine number of ATA drives (optional)
90h Initialize hard-disk controllers
91h Initialize local-bus hard-disk controllers
92h Jump to UserPatch2
93h Build MPTABLE for multi-processor boards
95h Install CD ROM for boot
96h Clear huge ES segment...

162Chapter 4
* If the BIOS detects error 2C, 2E, or 30 (base 512K RAM error), it displays an additional word-bitmap (xxxx) 
indicating the address line or bits that failed. For example, 2C 0002 means address line 1 (bit one set) has 
failed. 2E 1020 means data bits 12 and 5 (bits 12 and 5 set) have failed in the lower 16 bits. Note that error 30 
cannot occur on 386SX systems because they have a 16 rather than 32-bit bus. The BIOS also sends the 
bitmap to the port-80 LED display. It first displays the...

Chapter 5163
Jumper and Connector Locations
Top View
ItemDescriptionItemDescription
JEXP1 NewCard Connector LED1 Power LED
JLVDS1 LCE Connector LED2 Battery LED
JMDC1 Modem Connector LED3 Wireless LED
JP10 Bluetooth Connector LED4 Bluetooth LED
JP13 Internal TouchPad Connector SW1 Left Button
JP15 Internal Keyboard Connector SW2 Right Button
JP19 Speaker Left Connector SW3 Wireless Button
JP20 Speaker Right Connector SW4 Bluetooth Button
JP29 To PWR/B Connector SW5 Volume Up Button
JP30 To Lid SW/B...

164Chapter 5
Bottom View
ItemDescriptionItemDescription
JCPU1 CPU Socket JREAD1 Card Reader Socket
JCRT1 CRT Connector JRJ45 RJ45 LAN Connector
JDIMM1 Memory DIMM1 Connector JSATA1 ODD Connector
JDIMM2 Memory DIMM2 Connector JSATA2 HDD Connector
JHP1 Head-Phone Connector JUSB1 USB Connector
JLINE1 Line-In Jack JUSB2 USB Connector
JMIC1 MIC-In Jack PJP1 DC-IN Connector
JMIN1 Wireless Card Connector PJP2 Battery Connector 

Chapter 2165
Clearing Password Check and BIOS Recovery
This section provide you the standard operating procedures of clearing password and BIOS recovery for 
Aspire 5530. Aspire 5530 provide one Hardware Open Gap on main board for clearing password check, and 
one Hotkey for enabling BIOS Recovery.
Clearing Password Check
Hardware Open Gap Description
Steps for Clearing BIOS Password Check
If users set BIOS Password (Supervisor Password and/or User Password) for a security reason, BIOS will ask 
the...

166Chapter 5
BIOS Recovery by Crisis Disk
BIOS Recovery Boot Block:
BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS 
initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous 
BIOS flashing process failed.
BIOS Recovery Hotkey:
The system provides a function hotkey: Fn+Esc, for enable BIOS Recovery process when system is powered 
on during BIOS POST. To use this function, it is strongly...

Chapter 2167
A progress screen displays.
7.The following message displays when the Crisis Diskette is created successfully.
8.Click OK to complete the process.
9.Insert the Crisis Disk in to the USB floppy drive attached to the BIOS flash failed system.
10.In the power-off state, press and hold Fn+Esc then press the Power button. 
The system powers on and the Crisis BIOS Recovery process begins.
BIOS Boot Block begins restoring the BIOS code from the Crisis floppy disk to BIOS ROM on the failed 
system....

168Chapter 5
Steps for BIOS Recovery by USB Disk:
Before doing this, one Crisis USB Disk should be prepared ready in hand. The Crisis Diskette could be made 
by executing the Crisis Disk program in another system with Windows XP OS.
1.Plug in USB Flash Disk.
2.Run the selected formatting program.
3.Select Quick Format and click Start.
4.Select Format Final button then exit.
5.Copy JAT10X64.fd to USB flash disk root directory.
IMPORTANT:Do not place any other *.fd files in the USB flash disk root...