Dell OptiPlex GX110 Service Manual - Page 16

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The system BIOS is implemented in flash ROM, which allows for easy BIOS upgrades using diskette files or files downloaded from Dell's home page on the World Wide Web (www.dell.com). The BIOS also incorporates the POST diagnostics, which tests the system each time the system is started. The EIDE subsystem implemented on the system board provides two Mode-4, DMA bus-mastered EIDE interfaces, each of which can support up to two EIDE devices (for example, CD-ROM drive, hard-disk drive, and so on). The EIDE controller attaches to the high-speed PCI local bus. The primary EIDE interface (IDE1) provides support for up to two highperformance EIDE devices. The computer's boot drive should be connected to the primary EIDE interface. The secondary EIDE interface (IDE2) also provides support for up to two highperformance EIDE devices, typically EIDE tape drives or CD-ROM drives. NOTES: Any externally accessible drive bays at the front of the computer are normally used for diskette, CD-ROM, and/or tape drives. Hard-disk drives should be installed in the internal hard-disk drive positions described in "HardDisk Drive Service Information" found later in this chapter. The OptiPlex NX1 system supports only one hard-disk drive and optionally one external diskette drive for running the diskette-based diagnostics as described in Chapter 2,"Basic Troubleshooting". As a standard feature, OptiPlex GX1 and OptiPlex NX1 systems are equipped with Self-Monitoring and Analysis Reporting Technology (SMART), which warns you at system start-up if your hard-disk drive has become unreliable. This warning occurs only if you use hard-disk drives with SMART technology. The OptiPlex GX1 and OptiPlex NX1 systems are equipped with an integrated diskette drive controller (PIIX4e) that can support a maximum of two non-EIDE diskette and tape drives via a 34-pin DSKT connector located on the system board. The low-profile chassis can accommodate only one external drive device (diskette drive or tape drive). Other chassis configurations can accommodate two external drive devices. NOTES: If the diskette drive and tape drive are both attached to the diskette drive controller on the system board, only the diskette drive is configured in the System Setup program as Drive A or Drive B. The tape drive is then listed as Not Installed (under either the Drive A or Drive B category). 1-4

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1-4
’HOO±2SWL3OH[±*;²±0DQDJHG±3&±DQG±2SWL3OH[±1;²±1HW±3&±6\VWHPV±6HUYLFH±0DQXDO
8SJUDGDEOH±%,26±LQ±)ODVK±0HPRU\
The system BIOS is implemented in flash ROM, which allows for easy BIOS
upgrades using diskette files or files downloaded from Dell’s home page on
the World Wide Web (
www.dell.com
). The BIOS also incorporates the POST
diagnostics, which tests the system each time the system is started.
(,’(±6XEV\VWHP
The EIDE subsystem implemented on the system board provides two Mode-4,
DMA bus-mastered EIDE interfaces, each of which can support up to two
EIDE devices (for example, CD-ROM drive, hard-disk drive, and so on). The
EIDE controller attaches to the high-speed PCI local bus.
The primary EIDE interface (IDE1) provides support for up to two high-
performance EIDE devices. The computer’s boot drive should be connected to
the primary EIDE interface.
The secondary EIDE interface (IDE2) also provides support for up to two high-
performance EIDE devices, typically EIDE tape drives or CD-ROM drives.
NOTES: Any externally accessible drive bays at the front of the computer are
normally used for diskette, CD-ROM, and/or tape drives. Hard-disk drives
should be installed in the internal hard-disk drive positions described in “Hard-
Disk Drive Service Information” found later in this chapter.
The OptiPlex NX1 system supports only one hard-disk drive and optionally one
external diskette drive for running the diskette-based diagnostics as described
in Chapter 2,“Basic Troubleshooting”
.
60$57±7HFKQRORJ\
As a standard feature, OptiPlex GX1 and OptiPlex NX1 systems are equipped
with Self-Monitoring and Analysis Reporting Technology (SMART), which
warns you at system start-up if your hard-disk drive has become unreliable.
This warning occurs only if you use hard-disk drives with SMART technology.
,QWHJUDWHG±’LVNHWWH½7DSH±’ULYH±&RQWUROOHU
The OptiPlex GX1 and OptiPlex NX1 systems are equipped with an integrated
diskette drive controller (PIIX4e) that can support a maximum of two non-EIDE
diskette and tape drives via a 34-pin DSKT connector located on the system
board. The low-profile chassis can accommodate only one external drive device
(diskette drive or tape drive). Other chassis configurations can accommodate
two external drive devices.
NOTES: If the diskette drive and tape drive are both attached to the diskette
drive controller on the system board, only the diskette drive is configured in
the System Setup program as Drive A or Drive B. The tape drive is then listed
as Not Installed (under either the Drive A or Drive B category).