User manual ACER ASPIRE M1100
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Manual abstract: user guide ACER ASPIRE M1100
Detailed instructions for use are in the User's Guide.
[. . . ] The system board has two DRAM banks composed of four 72-pin sockets that support both single- and double-density SIMMs for a maximum memory of 128 MB.
System Board
1-1
1. 1 · · · · · · · ·
Major Features
Pentium 75/90/100/120/133/150 MHz CPU in a zero-insertion force (ZIF) socket Two DRAM banks composed of four 72-pin SIMM sockets that support 4/8/16/32-MB 60/70ns SIMMs 16-KB internal cache and 256-KB write-back second-level cache 128-KB Flash ROM for system and VGA BIOS Two PCI enhanced IDE interfaces that support up to four IDE devices System clock/calendar with 128 bytes CMOS RAM Cirrus 5430/5434/5440 VGA PCI accelerator that supports up to 2-MB video memory for a resolution up to 1280x1024 with 256 colors non-interlaced or 1024x768 with 65, 536 colors interlaced External ports: · · · · · · PS/2 keyboard/mouse ports Two buffered high-speed serial ports One ECP/EPP high-speed parallel port Video port Feature socket for multimedia or Ethernet solution (optional) RJ-45 phone jack (optional)
The system board has the following major features:
1-2
User's Guide
1. 1. 1
Layout
Figure 1-1 shows the locations of the system board major components.
1 2 3 4 5 6 7 8 9
Keyboard controller Feature socket for multimedia or Ethernet solution (optional) Flash memory BIOS Real-time clock Slot board connector Voltage regulator Second-level cache SIMM sockets 320-pin ZIF CPU socket
10 11 12 13 14 15 16 17 18
Video memory chips Video memory upgrade sockets Video port Parallel port COM2 COM1 PS/2 Mouse connector PS/2 keyboard connector RJ-45 phone jack (optional)
Figure 1-1
System Board Layout
System Board
1-3
1. 1. 2
Slot Board
The system board comes with a slot board already installed. The slot board carries the PCI and ISA bus slots for system enhancements and future expansion. The slot board may vary in size and layout depending on your system housing. [. . . ] The blackened pin of a jumper represents pin 1.
1-6
User's Guide
1. 2. 2
Jumper Settings
Table 1-1 lists the system board jumpers with their corresponding settings and functions.
Table 1-1
System Board Jumper Settings
Setting 1-21 2-3 1-2 2-31 Open 1-2 2-31 Function For models with Acer BIOS For models with OEM BIOS Check password Bypass password For 29EE010 only EPROM Flash ROM (Intel 28F010, 28F001, or 28F101) Disabled Enabled 50 MHz (Pentium 75 MHz) 60 MHz (Pentium 90/120/150 MHz) 66 MHz (Pentium 100/133 MHz) Intel P54C or AMD K5 Cyrix M1
Jumper BIOS Type JP1 Password Check JP2 BIOS ROM Type JP3
Onboard SMC665/669
JP6 CPU Local Bus Clock JP8
1-2 2-31 1-4 2-51 3-6 1-21 2-3
CPU Type JP12
When your Flash ROM is Intel 28F001 (JP3 is set to pins 2-3), refer to JP20 for the Flash ROM control settings.
1
Default setting
System Board
1-7
Table 1-1
Jumper CPU Voltage JP13
System Board Jumper Settings (continued)
Setting 1-21 2-3 Function
3. 3825V for VR and standard CPU type 3. 5250V for VRE CPU type
Intel P54C M1 and K5
CPU Core / Local Bus Clock Ratio
JP14, JP18
1-21, 1-21 2-3, 1-2 1-2, 2-3 2-3, 2-3 1-2 2-31 1-21 2-3 Open1 Closed
3/2 2/1 3/1 5/2
3/2, 2/2, 3/1 1/1 3/2, 2/2, 3/1 1/1
Reset Switch JP15
CN1 Connector Type
For suspend mode function For reset function Feature Connector I2C interface Detects HDD accesses only (for generic housings) Detects HDD and FDD accesses (for Aspire housings only) (For Intel 28F001 only) Programming boot block Normal work or programming blocks other than boot blocks
JP16, JP17
HDD/FDD LED Control
JP19
Flash ROM Control JP20
1-2 2-31
The settings of JP8, JP13, JP14, and JP18 depend on the Pentium CPU type.
1
Default setting
1-8
User's Guide
1. 2. 3
Connector Functions
Table 1-2 lists the different connectors on the system board and their respective functions.
Table 1-2
Connector Functions
Function VGA feature connector PCI IDE channel 1 PCI IDE channel 2 Diskette drive connector Power connector Multifunction connector Multifunction connector Hard disk LED connector Reserved Feature socket for multimedia or Ethernet card
Connector CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN9 CN10
Figures 1-7 and 1-8 show the pin assignments of multifunction connectors CN6 and CN7 respectively.
Figure 1-7
20-Pin Multifunction Connector (CN6)
System Board
1-9
Figure 1-8
8-pin Multifunction Connector (CN7)
1. 3
ESD Precautions
(ESD)
Always observe the following electrostatic discharge precautions before installing a system component: 1. 2.
Do not remove a component from its antistatic packaging until you are ready to install it. Wrist grounding straps are available at most electronic component stores.
Do not attempt the procedures described in the following sections unless you are a qualified technician.
1-10
User's Guide
1. 4
Memory Upgrade
The system board comes with four 72-pin SIMM sockets that support 4-MB and 16-MB single-density SIMMs and 8-MB and 32-MB doubledensity SIMMs. Table 1-3 lists the possible memory configurations.
Table 1-3
Memory Configurations
Bank 0 Bank 1 SIMM-3 4 MB SIMM-4 4 MB 8 MB 4 MB 8 MB 4 MB 8 MB 16 MB 16 MB 4 MB 16 MB 8 MB 16 MB 32 MB 32 MB 4 MB 32 MB 8 MB 32 MB 16 MB 32 MB 4 MB 8 MB 4 MB 4 MB 8 MB 8 MB 16 MB 4 MB 16 MB 8 MB 16 MB 16 MB 32 MB 4 MB 32 MB 8 MB 32 MB 16 MB 32 MB 32 MB 8 MB 4 MB 8 MB 4 MB 8 MB 16 MB 16 MB 4 MB 16 MB 8 MB 16 MB 32 MB 32 MB 4 MB 32 MB 8 MB 32 MB 16 MB 32 MB Total Memory 8 MB 8 MB 16 MB 16 MB 16 MB 24 MB 24 MB 32 MB 32 MB 32 MB 40 MB 40 MB 48 MB 48 MB 64 MB 64 MB 64 MB 72 MB 72 MB 80 MB 80 MB 96 MB 96 MB 128 MB
SIMM-1 4 MB 8 MB 4 MB 4 MB 8 MB 8 MB 16 MB 4 MB 16 MB 8 MB 16 MB 16 MB 32 MB 4 MB 32 MB 8 MB 32 MB 16 MB 32 MB 32 MB
SIMM-2
System Board
1-11
1. 4. 1
Installing a SIMM
Follow these steps to install a SIMM: 1. Slip a SIMM at a 45° angle with the component side facing down into the socket labeled SIMM-1.
Be careful when inserting SIMMs to avoid damaging the SIMM or the socket.
2.
Gently press the SIMM up until the pegs of the socket fit into the holes on the SIMM and the holding clips lock the SIMM into position. The SIMM should be at a 90° angle when installed.
Figure 1-9
Installing a SIMM
1-12
User's Guide
1. 4. 2
Removing a SIMM
Follow these steps to remove a SIMM: 1. Press the holding clips on both sides of the SIMM outward to release it.
Figure 1-10
2. Pull the SIMM out of the socket.
Always remove SIMMs from the socket labeled SIMM-4, then SIMM-3, and so on.
System Board
1-13
1. 4. 3
Reconfiguring the System
You must enter Setup after installing or removing SIMMs to reconfigure the system. Table 1-5 lists the system error messages.
System Board
1-17
Table 1-5
System Error Messages
Message Action Replace the RTC chip or contact your dealer. Run Setup Check and connect the control cable to the diskette controller. Modify the memory configuration to agree with one of the options in Table 1-3. Replace the keyboard or contact your dealer.
CMOS Battery Error CMOS Checksum Error
Display Card Mismatch Diskette Drive Controller Error or Not Installed Diskette Drive Error Diskette Drive A Type Mismatch Diskette Drive B Type Mismatch Equipment Configuration Error
Fixed Disk Controller Error Fixed Disk 0 Error Fixed Disk 1 Error Keyboard Error or No Keyboard Connected Keyboard Interface Error
1-18
User's Guide
Table 1-5
System Error Messages (continued)
Message Action Check SIMMs on the system board. Contact your dealer.
Memory Error at: MMMM:SSSS:OOO (W:XXXX, R:YYYY) where: M: MB, S: Segment, O: Offset, X/Y: write/read pattern Memory Size Mismatch CPU Clock Mismatch
Run Setup. Press O or Setup.
Onboard Serial Port 1 Conflict Onboard Serial Port 2 Conflict Onboard Parallel Port Conflict Pointing Device Error Pointing Device Interface Error Press O key to continue or E+D+Afor Setup Real Time Clock Error
E+D+A to enter
Check the RTC chip. If not, replace the RTC chip.
System Board
1-19
1. 8. 3
Correcting Error Conditions
As a general rule, if an error message says "Press F1 to continue, " it is caused by a configuration problem, which can be easily corrected. An equipment malfunction is more likely to cause a fatal error, i. e. , an error that causes complete system failure. [. . . ] An equipment malfunction is more likely to cause a fatal error, i. e. , an error that causes complete system failure. You must know the correct configuration values for your system before you enter Setup, which is why you should write them down when the system is correctly configured. An incorrect configuration is a major cause of power-on error messages, especially for a new system. [. . . ]
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