Acer Travelmate 7230 Service Guide

Chapter 4141
POST Codes Tables
These tables describe the chipset and core 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...

142Chapter 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 4143
87h Configure Motherboard 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...

144Chapter 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 5145
Jumper and Connector Locations
Top View
No.NameDescriptionNo.NameDescription
1 CN1 LVDS Connector 10 U14 Clock Generator
2 U1 LAN Transformer 11 U17 Card Reader Controller
3 U2 LAN Chip 12 CN11 Bluetooth Connector
4 CN3 Switch Board Connector 13 CN9 NewCard Board Connector
5 U15 BIOS Chip 14 CN7 Finger Print
6 U13 Audio Codec 15 CN5 Modem Board Connector
7 CN10 Card Bus Connector 16 CN6 TouchPad
8 U16 Card Bus Controller 17 CN4 Keyboard Connector
9 U12 EC 18 CN2 Power Board Connector
Chapter 5 

146Chapter 5
Bottom View
No.NameDescriptionNo.NameDescription
1 PJ1 Power Jack 14 CN23 Line In Connector
2 CN12 RJ45 Connector 15 CN33 Wireless Connector
3 CN13 Docking Connector 16 CN31 Card Reader
4 CN14 Fan Connector 17 CN26 HDD Connector
5 CN15 CRT Connector 18 CN28 HDD Connector
6 CN16 MXM Card Connector 19 U30 South Bridge
7 CN17 HDMI Connector 20 CN20 ODD Connector
8 CN19 USB Connector 21 G1 CMOS Clear Jumper
9 CN21 USB Connector 22 J1 RAM Connector
10 CN29 HP Out Connector 23 J2 RAM Connector
11...

Chapter 5147
Clearing Password Check and BIOS Recovery
This section provide you the standard operating procedures of clearing password and BIOS recovery for 
TravelMate 7530/7230. TravelMate 7530/7230s 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...

148Chapter 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 6149
FRU (Field Replaceable Unit) List
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of TravelMate 7530/7230. Refer to 
this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available on your 
regional web or channel. For whatever reasons a part number change is made, it will not be noted on the printed Service 
Guide....

150Chapter 6
TravelMate 7530/7230 Exploded Diagrams
Upper/ Lower Cover
NumberDescriptionPart Number