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compaq evo n115 User Manual

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    							6–10Maintenance and Service Guide
    Specifications
    Table 6-7
    CD-RW Drive
    Center hole diameter .59 in .39 cm
    Disk diameter 12 cm, 8 cm
    Disk thickness .47 in .12 cm
    Tr a c k  p i t c h .74 µm
    Access time Random
    Full stroke < 150 ms
    < 225 ms
    Audio output level Line-out, 0.7 Vrms
    Cache buffer 128 KB
    Data transfer rate
    Sustained, 16X
    Sustained, 4X CD-RW
    Normal PIO Mode 4 (single burst) 150 KB/s
    5,520 KB/s
    16.6 MB/s
    Startup time < 15 seconds
    Stop time < 6 seconds
    263816m1.book  Page 10  Friday, January 25, 2002  2:14 PM 
    						
    							Specifications
    Maintenance and Service Guide 6–11
    Table 6-8
    External AC Adapter
    Weight.45 lb .21 kg
    Power supply  (input)
    Operating voltage
    Operating current
    Operating frequency range
    Maximum transient 100 to 240 VAC RMS nominal
    1.5 A RMS
    50 to 60 Hz AC nominal
    4/50 kV
    Table 6-9
    8-cell, Li ion Battery Pack
    Dimensions
    Height
    Width
    Depth
    Weight 0.82 in
    5.67 in
    3.03 in
    .94 lb21 mml
    144 mm
    77 mm
    .43 kg
    Energy 4.0 Amp hourVo l t a g e
    Amp-hour capacity
    Watt-hour capacity
    3.6 Amp hour Vo l t a g e
    Amp-hour capacity
    Watt-hour capacity 14.4 V
    4.0 Ah
    57.6 Wh
    14.4 V
    3.6 Ah
    51.8 Wh
    Te m p e r a t u r e Operating
    Nonoperating 50 to 104° F
    -4 to 104° F10 to 40° C
    -20 to 60° C
    263816m1.book  Page 11  Friday, January 25, 2002  2:14 PM 
    						
    							6–12Maintenance and Service Guide
    Specifications
    Table 6-10
    System DMA
    Hardware DMA System Function
    DMA0 Available for audio
    DMA1 Entertainment audio
    (default; alternate = DMA0, DMA3, none)
    DMA2 Diskette drive
    DMA3 ECP parallel port LPT1 (default; alternate = DMA0, none)
    DMA4 DMA controller cascading (not available)
    DMA5 Available for PC Card
    DMA6 Not assigned
    DMA7 Not assigned
    ✎PC Card controller can use DMA 1, 2, or 5.
    263816m1.book  Page 12  Friday, January 25, 2002  2:14 PM 
    						
    							Specifications
    Maintenance and Service Guide 6–13
    Table 6-11
    System Interrupts
    Hardware IRQ System Function
    IRQ0 System timer
    IRQ1 Keyboard controller
    IRQ2 Cascaded
    IRQ3 COM2
    IRQ4 COM1
    IRQ5 Audio (default)*
    IRQ6 Diskette drive
    IRQ7 Parallel port
    IRQ8 Real time clock (RTC)
    IRQ9 Infrared
    IRQ10 System use
    IRQ11 System use
    IRQ12 Internal point stick or external mouse
    IRQ13 Coprocessor (not available to any peripheral)
    IRQ14 IDE interface (hard drive and optical drive)
    IRQ15 System use
    ✎PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, 
    or IRQ15. Either the infrared or the serial port may assert IRQ3 or 
    IRQ 4.
    *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9,  IRQ10, or none.
    263816m1.book  Page 13  Friday, January 25, 2002  2:14 PM 
    						
    							6–14Maintenance and Service Guide
    Specifications
    Table 6-12
    System I/O Addresses
    I/O Address  (hex)System Function  (shipping configuration)
    000 - 00F DMA controller no. 1
    010 - 01F Unused
    020 - 021 Interrupt controller no. 1
    022 - 024 Opti chipset configuration registers
    025 - 03F Unused
    02E - 02F 87334 “Super IO” configuration for CPU
    040 - 05F Counter/timer registers
    044 - 05F Unused
    060 Keyboard controller
    061 Port B
    062 - 063 Unused
    064 Keyboard controller
    065 - 06F Unused
    070 - 071 NMI enable/real time clock
    072 - 07F Unused
    080 - 08F DMA page registers
    090 - 091 Unused
    092 Port A
    093 - 09F Unused
    0A0 - 0A1 Interrupt controller no. 2
    263816m1.book  Page 14  Friday, January 25, 2002  2:14 PM 
    						
    							Specifications
    Maintenance and Service Guide 6–15
    I/O Address (hex)System Function  (shipping configuration)
    0A2 - 0BF Unused
    0C0 - 0DF DMA controller no. 2
    0E0 - 0EF Unused
    0F0 - 0F1 Coprocessor busy clear/reset
    0F2 - 0FF Unused
    100 - 16F Unused
    170 - 177 Secondary fixed disk controller
    178 - 1EF Unused
    1F0 - 1F7 Primary fixed disk controller
    1F8 - 200 Unused
    201 Joystick (decoded in ESS1688)
    202 - 21F Unused
    220 - 22F Entertainment audio
    230 - 26D Unused
    26E - 26 Unused
    278 - 27F Unused
    280 - 2AB Unused
    2A0 - 2A7 Unused
    2A8 - 2E7 Unused
    2E8 - 2EF Reserved serial port
    Table 6-12
    System I/O Addresses (Contin ued)
    263816m1.book  Page 15  Friday, January 25, 2002  2:14 PM 
    						
    							6–16Maintenance and Service Guide
    Specifications
    I/O Address  (hex)System Function  (shipping configuration)
    2F0 - 2F7 Unused
    2F8 - 2FF Infrared port
    300 - 31F Unused
    320 - 36F Unused
    370 - 377 Secondary diskette drive controller
    378 - 37F Parallel port (LPT1/default)
    380 - 387 Unused
    388 - 38B FM synthesizer - OPL3
    38C - 3AF Unused
    3B0 - 3BB VGA
    3BC - 3BF Reserved (parallel port/no EPP support)
    3C0 - 3DF VGA
    3E0 - 3E1 PC Card controller in CPU
    3E2 - 3E3 Unused
    3E8 - 3EF Internal modem
    3F0 - 3F7 “A” diskette controller
    3F8 - 3FF Serial port (COM1/default)
    CF8 - CFB PCI configuration index register (PCIDIVO-1)
    CFC - CFF PCI configuration data register (PCIDIVO-1)
    Table 6-12
    System I/O Addresses (Contin ued)
    263816m1.book  Page 16  Friday, January 25, 2002  2:14 PM 
    						
    							Specifications
    Maintenance and Service Guide 6–17
    Table 6-13
    System Memory Map
    Size Memory Address System Function
    640 KB 00000000 - 0009FFFF Base memory
    128 KB 000A0000 - 000BFFFF Video memory
    48 KB 000C0000 - 000CBFFF Video BIOS
    160 KB 000C8000 - 000E7FFF Unused
    64 KB 000E8000 - 000FFFFF System BIOS
    15 MB 00100000 - 00FFFFFF Extended memory
    58 MB 01000000 - 047FFFFF Super extended memory
    58 MB 04800000 - 07FFFFFF Unused
    2 MB 08000000 - 080FFFFF Video memory (direct access)
    4 GB 08200000 - FFFEFFFF Unused
    64 KB FFFF0000 - FFFFFFFF System BIOS
    263816m1.book  Page 17  Friday, January 25, 2002  2:14 PM 
    						
    							Maintenance and Service Guide A–1
    A
    Connector Pin Assignments
    Ta b l e  A - 1
    RJ-45 Network Interface
    Pin Signal Pin Signal
    1 Transmit + 5 Unused
    2 Transmit - 6 Receive -
    3 Receive + 7 Unused
    4Unused 8Unused
    263816m1.book  Page 1  Friday, January 25, 2002  2:14 PM 
    						
    							A–2Maintenance and Service Guide
    Connector Pin Assignments
    Ta b l e  A - 2
    RJ-11 Modem
    Pin Signal Pin Signal
    1Unused 4Unused
    2 Tip 5 Unused
    3Ring 6Unused
    Ta b l e  A - 3
    Universal Serial Bus
    Pin Signal Pin Signal
    1 +5 VDC 3 Data +
    2 Data - 4 Ground
    263816m1.book  Page 2  Friday, January 25, 2002  2:14 PM 
    						
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