Compaq CQ20 Category Description Board Memory, Hard drives, Optical drives, Diskette drive, Audio

Product description

		Models with	Models with
		GL40 system	GM45 system
Category	Description	board	board
Memory	2 customer-accessible/upgradable memory module slots	X	X
	Supports dual-channel memory	X	X
	Supports up to 4 GB of system RAM	X	X
	PC2-6400, 800-MHz, DDR2	X	X
	PC2-6400, 800-MHz, DDR2 supports the following
	configurations:
	■ 4096-MB total system memory (2048 × 2, dual-channel)	X	X
	■ 3072-MB total system memory (2048 + 1024)	X	X
	■ 2048-MB total system memory (1024 × 2, dual-channel)	X	X
	■ 2048-MB total system memory (2048 × 1)	X	X
	■ 1024-MB total system memory (1024 × 1)	X	X
Hard drives	Supports 9.5-mm, 2.5-inch hard drives	X	X
	Customer-accessible	X	X
	Serial ATA	X	X
	Supports the following drives:
	■ 400-GB, 5400-rpm	X	X
	■ 320-GB, 5400-rpm	X	X
	■ 250-GB, 5400-rpm	X	X
	■ 160-GB, 5400-rpm	X	X
	■ 120-GB, 5400-rpm	X	X
Optical drives	Fixed (removal of 1 screw required)	X	X
	Customer-accessible	X	X
	Serial ATA	X	X
	Supports no-optical-drive option	X	X
	Supports the following drives:
	■ DVD/CD-RW Combo Drive	X	X
	■ DVD±RW SuperMulti Double-Layer Drive	X	X
	■ DVD±RW SuperMulti Double-Layer Drive with LightScribe	X	X
	■ Blu-ray ROM DVD±RW SuperMulti DL Drive		X
Diskette drive	Supports external USB diskette drive only	X	X
Microphone	Integrated mono microphone	X	X
Audio	Azalia audio	X	X
	2 speakers	X	X
Modem	56K V.92 1.5-inch data/fax modem with digital line guard	X	X
	Modem cable is not included	X	X
			(Continued)

1–2 Maintenance and Service Guide