User manual ACER ASPIRE X1700
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Manual abstract: user guide ACER ASPIRE X1700
Detailed instructions for use are in the User's Guide.
[. . . ] Standard I/O features such as two serial ports (COM1, COM2), one parallel port, a diskette drive interface, and PS/2 mouse and keyboard connectors reside on the system board.
System Board
1-1
1. 1 · · · · · · · · ·
Major Features
Pentium 75/90/100/120/133/150/166 MHz CPU in an SPGA 296pin 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 (CPU) 256-KB synchronous or asynchronous second-level cache 128-KB Flash ROM for system BIOS and VGA BIOS EISA-type connector for the slot board that contains two PCI and three ISA slots (for desktop housing) or three PCI and 5 ISA slots (for minitower housing) Two Enhanced IDE interfaces that support up to four IDE devices System clock/calendar with 128/256 bytes CMOS RAM External ports: · · · · · PS/2 keyboard/mouse ports Two buffered high-speed serial ports One ECP/EPP high-speed parallel port Video port RJ-45 Ethernet connector
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 10 11
Keyboard controller Real-time clock (RTC) Flash ROM BIOS Buzzer Fan connectors SIMM sockets CPU socket Synchronous cache (optional) CPU voltage regulator Asynchronous cache VGA BIOS1
12 13 14 15 16 17 18 19 20 21
Video upgrade sockets Video RAM Video port Parallel port COM 2 Slot board connector COM 1 PS/2 mouse connector PS/2 keyboard connector RJ-45 connector
Figure 1-1
System Board Layout
1
For SCSI models only
System Board
1-3
1. 1. 2
Slot Board
The system board comes with a slot board already installed. The slot board carries two PCI and three ISA bus slots for system enhancements and future expansion. The slot board may vary in size and layout depending on your system housing. Figures 1-2 and 1-3 show the two kinds of slot boards.
Figure 1-2
2-PCI/3-ISA Slot Board (for desktop systems)
Figure 1-3
3-PCI/5-ISA Slot Board (for minitower systems)
1-4
User's Guide
1. 2
1. 2. 1
Jumpers and Connectors
Jumper and Connector Locations
Figure 1-4 shows the jumper and connector locations on the system board.
Figure 1-4
System Board Jumper and Connector Locations Jumpers are prefixed "JP". [. . . ] The blackened pin of a jumper represents pin 1.
System Board
1-5
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 1-2 2-3 1-2 2-3 Open 1-2 2-3 Function For models with Acer BIOS For models with OEM BIOS Enable password Disable password 50 MHz (Pentium 75 MHz) 60 MHz (Pentium 90/120/150 MHz) 66 MHz (Pentium 100/133/166 MHz) VR (3. 3V ± 5% - 0%) VRE (3. 45V ~ 3. 6V) Fixed setting. Do not reconfigure.
Jumper BIOS Type JP1 Password Security JP2 CPU Bus Frequency JP5
CPU Voltage JP7 Reserved JP9 Reserved JP14
1-2 2-3 2-3* Open*
1-6
User's Guide
Table 1-1
Jumper CPU Type JX1, JP8 JX1, JP8 JP10 JP11 JP12 JP13
System Board Jumper Settings (continued)
Setting 2-3, 1-2 2-3, 2-3 1-2, 1-2 1-2, 2-3
Intel P54C C/B=3/1 C/B=5/2 C/B=3/2 C/B=2/1
Function
M1 K5
C/B=3/1 C/B=2/1
C/B=3/2, 3/3 C/B=1/1
On On On On
Off Off Off Off
On On Off On
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 Attachment Unit Interface (AUI) Feature connector Diskette drive connector Enhanced IDE 2 Enhanced IDE 1 Power connector SCSI connector Power LED connector Multifunction connector
Connector CN4 CN5 CN6 CN7 CN8 CN9 CN10 CN11 CN12
System Board
1-7
Table 1-2
Connector Functions (continued)
Function HDD LED connector Speaker connector Multifucntion connector Buzzer (pins 1-2) Speaker (pins 2-3)
Connector CN13 CN14 CN15 CN16
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.
1-8
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 as well as 8-MB and 32-MB double-density SIMMs. When using 32-MB SIMMs, the sockets support a maximum system memory of 128 MB. Table 1-3 lists the possible memory configurations.
1. 4. 1
Rules for Adding Memory
· · ·
Use only one type of SIMM in a given bank. You may combine different types of SIMMs for a memory configuration as long as the SIMMs in each bank are of the same type. For example, for a total memory of 8 MB, install two 4-MB SIMMs into the sockets marked S5 and S4 (bank 0) or S3 and S2 (bank 1). You can not use an 8-MB SIMM alone for an 8-MB memory.
System Board
1-9
1. 4. 2
Table 1-3
Memory Configurations
Memory Configurations
Bank 0 S5 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 S4 4 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 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 S3 Bank 1 S2 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
1-10
User's Guide
1. 4. 3
Installing a SIMM
Follow these steps to install a SIMM: 1. These messages typically occur after you boot the operating system or when you run your applications. If you receive this type of message, consult your application or operating system manual for help.
1. 8. 2
System Error Messages
A system error message indicates a problem with the computer itself. A message of this type normally appears during the power-on selftest, before the operating system prompt appears. Table 1-5 lists the system error messages.
1-16
User's Guide
Table 1-5
System Error Messages
Message Action Replace the RTC chip or contact your dealer. 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
Hard disk Controller Error Hard disk 0 Error Hard disk 1 Error Keyboard Error or No Keyboard Connected Keyboard Interface Error
System Board
1-17
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. Check and connect pointing device.
Onboard Serial Port 1 Conflict Onboard Serial Port 2 Conflict Onboard Parallel Port Conflict Pointing Device Error
++f
Press
Pointing Device Interface Error key to continue or or Setup
++
Press or Setup.
Replace the pointing device or contact your dealer. If not, replace the RTC chip.
1-18
User's Guide
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. [. . . ] Check and connect pointing device.
Onboard Serial Port 1 Conflict Onboard Serial Port 2 Conflict Onboard Parallel Port Conflict Pointing Device Error
++f
Press
Pointing Device Interface Error key to continue or or Setup
++
Press or Setup.
Replace the pointing device or contact your dealer. If not, replace the RTC chip.
1-18
User's Guide
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. 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. [. . . ]
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