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5. Replace the cabinet cover.
NOTE: According to the standard X86 structure, there is only 128 k (C0000h-DFFFFh)
shadow RAM for system option ROM. For this system, the RAID card option ROM
engrosses 64 k, the onboard ATI VGA card engrosses 32 k, the onboard LAN engrosses
more than 10 k, so the remaining space for option ROM is very limited. You may encounter
the possibility that some PCI cards (e.g., SCSI PCI card) cannot be initialized and used
when the PCI card needs more shadow RAM for its option ROM. When you encounter this
possibility, please close the onboard device you are not presently using temporarily
(disable the options under the Onboard Device Configuration sub-items on the BIOS
Setup’s Advanced menu (refer to Chapter 5 Advanced Menu).
7.3 Adding a Secondary Hard Disk Drive
You can add a second hard disk drive (Ultra ATA/100 or Serial ATA type). It is advised
that you select a hard disk drive that meets the following specifications. A hard disk
drive that does not meet these specifications can cause reliability problems in your
system.
l Peak current draw: must not exceed 1.8 amperes maximum (at 5 volts) and 0.7
amperes maximum (at 12 volts)
l Rotational speed: 5400/7200 rpm
l Interface: Ultra ATA/100 or Serial ATA
l Operating temperature: must be able to operate in environments up to 55 °C
l Operating humidity: 10% to 90% (non-condensing)
l IDE and SATA RAID cannot be used at the same time
If you want to add a second hard disk drive, follow this procedure.
NOTE: Make sure that the jumper of the second hard disk drive (when using Ultra
ATA/100 type) is set to “Slave.” (See the hard disk drive’s document for information.)
1. Remove the cabinet cover (see the previous section in this chapter).
2. Locate the bracket for the secondary hard disk drive, next to the power supply.
Remove the screw and slide the bracket off the metal tabs to detach it.