IBM PC 300, Maintenance Service Manual

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1.Power Supply
This is a 95-watt switching power supply.
2.CD-ROM Drive
This machine has a factory-installed 40 X CDROM drive.
3.Bay 2
This drive can accommodate a 5.25-inch device.
4.Hard Disk Drive
This machine has a factory-installed 3.5” (10 or 15) GB hard disk drive.
5.Diskette Drive
This machine has a factory-installed 3.5” 1.44MB Floppy drive.
6.System board
7.Speaker jack. (for unpowered speaker only)
8.Expansion slots
On the rear panel of the system unit are 3 slot openings for installation of adapter card.
9.Modem card
The system may include a V.90 Data/Fax modem. Also 6345 system has Ethernet card.