Part/Feature Specifications/Supports Motherboard Description MIS name: MS-6577 M-ATX Rev. 3.1 (Giovani), Rev. 4.0 (Giovani2) Compaq name: Giovani-GL6, Giovani2-GL6 CPU Supports Intel Pentium 4 processor up to 2.8 GHz Supports Intel Celeron processor up to 3.06 GHz (Prescott based Celeron with 533MHz FSB) Intel 845GV Chipset FSB 400/533 Multiplexed AGP interface Integrated 3D/2D graphic core Supports DDR 333/266/200 memory Intel ICH4 Chipset High speed USB 2.0 controller, 480Mb/sec PCI Master 2.2 I/O APIC AC'97 2.2 interface Three UHCI host controllers One EHCI host controller Main Memory Two 184-pin DDR DIMM Maximum memory size is up to 2GB, 1GB per slot. HP recommends a maximum memory of 1GB, 512MB per slot. Supports PC2100 0r PC2700 unbuffered non-ECC Slots Three 32-bit Master PCI (peripheral component interconnect) Bus slots Onboard IDE Onboard Peripherals Two PS/2 ports Six USB ports (four front, two rear) One Parallel port One Serial port One VGA One RJ-45 LAN port Vertical audio ports (line-in, line-out, microphone-in) Connectors Two IDE (ATA 100) One ATX power One Floppy One AUX-in One Mic-in Pinheaders One Front panel One Clear password One Clear CMOS Audio AC'97 link controller integrated in ICH4 Six-channel software codec RealTek AL658 (optional) LAN RealTek RTL8101L chip Integrated Fast Ethernet MAC AND PHY (one chip) Supports 10 Mb/s and 100Mb/s Compliance with PCI V2.2 Supports ACPI Power Management BIOS PnP (plug & play) to detect peripheral devices and expansion cards automatically. DMI (desktop management interface) function to record motherboard specifications. Dimension Micro-ATX form factor Mounting Six mounting holes NOTE:Mainboard specifications are subject to change without notice Motherboard layout and photographs Figure 1: Layout Figure 2: Photo Figure 3: Backplate 1 - Mouse 2 - Parallel 3 - LAN 4 - Line-in 5 - Line-out 6 - Microphone 7 - USB 8 - Video 9 - Serial 10 - Keyboard Clearing the CMOS settings
The jumper JBAT1 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.
CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
Turn off the PC and unplug the power cord.
Move jumper JBAT1 to pins 2-3 for 5 seconds.
Plug the power cord and turn on the PC.
After you restart the PC you will need to enter BIOS setup by pressing F1 at the first startup screens to reset any custom BIOS settings.
Clearing the BIOS password
The BIOS password is used to protect BIOS settings from unwanted changes. If you have forgotten your password you may disable password checking and reset the password.
Remove jumper JPWD1
key as the PC starts to enter BIOS setup
Clear or reset the BIOS password.
Save the BIOS settings (
) and shut down the system
Replace the jumper.
Get answers on HP’s peer to peer support forum