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Compaq Presario SR1520NX Desktop PC support

Motherboard Specifications, K8S-LA (Salmon)

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Motherboard specifications table

Form factorMicro-ATX form factor: 9.6 in x 9.6 in
System BIOS SupplierAward
ProcessorAMD Athlon 64 processor with HyperTransport support
Processor socket typeSocket 754
Processor front side bus frequency1600 MT/s @ 800 MHz
Maximum approved processor
  • Socket 754
  • Supports the following processors:
    • AMD Athlon 64 3700+ processor (Clawhammer, 2.4 GHz)
    • AMD Athlon 64 3400+ processor (Newcastle, 2.4 GHz)
    • AMD Sempron
Chipset "North Bridge"SiS760
Chipset "South Bridge"SiS964
Memory typePC 2700 or PC 3200 DDR
Memory sockets2 x 184-pin DDR DIMM
Maximum Memory2.0 GB
GraphicsNone
Graphics configurationUp
Graphics connector (AGP)1 AGP 8x
AudioIntegrated AC97
AC'97 CODEC DeviceRealtek ALC658C 6-channel CODEC
Audio Jacks (Legend below )2M (1F+1B), 2LI (1F+1B), LO, Headphone connector
Ethernet 10/100 LAN supplierRealtek® RTL8201CL LAN PHY Fast Ethernet LAN controller
Ethernet configurationIntegrated, Down
IEEE 1394VIA VT6307
IEEE 1394 Front/Back Options1F + 1B
SATA connectors2 SATA connectors (supports a total of 2 drives, 1 serial ATA-150 disk drive on each connector)
IDE UDMA modes2 x UDMA 100/66/33
Expansion slots (AGP/PCI/Exten)1 AGP, 3 PCI
USB portsUp to 6
USB Front/Back OptionsUp to 2F + 4B
Serial, parallel, floppy, PS2 keyboard and mouse1S,1P,1F,PS2 K+M
Available manufacturing options (Legend below )ULE6
Manufacturing options Legend
LegendMeaning
88-Channel audio
AAudio integrated on motherboard
CExternal L2 cache on motherboard
E1394 on motherboard
GGraphics integrated on motherboard or in chipset
LLAN on motherboard (Ethernet) P - PCMCIA slot
LILine In
LOLine out
MMicrophone
M/GMidi/Game
SS3 power management support
S/OSpeaker
TTV-out on motherboard
UGraphics card (Non integrated on motherboard)
WMicrosoft Windows XP hardware compliant

Motherboard layout and photos

Figure 1: Layout
Figure 2: Photo
Figure 3: View of back panel connectors
1 - PS/2 mouse
2 - Parallel port
3 - IEEE 1394 connector
4 - RJ-45 connector
5 - Line in jack
6 - Line out jack
7 - Microphone jack
8 - USB 2.0 connectors
9 - USB 2.0 connectors
10 - VGA connector
11 - Serial connector
12 - PS/2 Keyboard

Clearing the CMOS settings

CAUTION:Do not change any jumper setting while the PC is running. Damage to the motherboard may result.
The J6 jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which includes system setup information.
  1. Turn off the PC and unplug the power cord.
  2. Move the J6 jumper cap from pins 2-3 (Normal) to pins 1-2 (Clear CMOS).
  3. Keep the jumper on pins 1-2 for about 10 seconds, then move it back to pins 2-3.
  4. Plug the power cord and turn on the PC.

Clearing the BIOS password

The BIOS password protects the BIOS from undesired changes. If password checking is enabled, and you need to disable it, use the following steps:
CAUTION:Do not change any jumper setting while the PC is running. Damage to the motherboard may result.
  1. Turn off the PC and unplug the power cord.
  2. Move the jumper from pins 2-3 (Normal) to pins 1-2 (Clear Password).
  3. Plug the power cord and turn ON the computer.
  4. As soon as you see the first logo screen, turn off the computer.
  5. Move the jumper from pins 1-2 to back to pins 2-3.
  6. Turn on the PC and enter the BIOS to verify that the password is clear.
Compaq Presario SR1520NX Desktop PC

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