Mainboard P4M900
12
Speaker Header: SPEAK
A speaker cable on your case front panel can be attached to this header. When you reboot the
computer, this speaker will issue a short audible (beep). If there are problems during the
Power On Self-Test, the system will issue an irregular pattern of audible beeps through this
speaker.
Connectors
Floppy Disk Drive Connector: FDD
These mainboards provide a standard floppy disk drive connector (FDD) that supports 360KB/
720KB/ 1.2MB/ 1.44MB/ 2.88 MB floppy disk drives using a FDD ribbon cable.
Hard Disk Drive Connectors: IDE1/ IDE2
The mainboard provides two IDE connectors that support Ultra ATA 133/ 100/ 66/ 33 IDE
devices. You can attach a maximum of four IDE devices, such as hard disk drive (HDD),
CD-ROM, DVD-ROM, etc. using IDE ribbon cables.
Primary IDE Connector: IDE1
In general, two IDE devices can be attached onto one IDE connector. If you attach two IDE
HDD, you must configure one drive as the master and the other one as the slave.
Secondary IDE Connector: IDE2
The IDE2 connector can also be attached with two IDE HDD, and remember to configure one
drive as the Master and the other one as the Slave as well. In addition, it is recommended that
attach the optical devices such as CD-ROM, DVD-ROM, etc. onto this IDE2 connector.
SATA Connector: SATA1/ SATA2
The two SATA connectors support 1.5 Gbps transmit rates and RAID 0/ 1 mode. One SATA
connector only can attach one SATA HDD of each time using SATA cables.
Pin
Assignment
Pin
Assignment
1 SPK
2 N/C
SPEAK
3 Ground
4 VCC5
This mainboard supports RAID 0/ 1 mode; refer
Appendix II
for more
information.