HP Book 800CT Appendix a Technical Specifications, Mass Storage Specifications, Hard Disk Drive

Appendix A - Technical Specifications

Mass Storage Specifications

Hard Disk Drive

The hard disk drive can be removed by the user for easy upgrades.

Hard drive manufacturers are subject to change without notice.

Table 17 - Hard Disk Drive Specifications

	810-million-byte	1.44-billion-byte	2.1-billion-byte
	Hard Drive	Hard Drive	Hard Drive
Manufacturer	Toshiba	IBM	Toshiba
Size	12.7-mm (2.5-in)	12.7-mm (2.5-in)	12.7-mm (2.5-in)
Interface	ATA-2 Interface	ATA-3 Interface	ATA-3 Interface
Recording Method	Peek Detect	PRML (Partial Response	PRML (Partial
		Maximum Likelihood)	Response Maximum
			Likelihood)
Heads	Thin Film	MR (Magneto Resistive)	MR (Magneto
			Resistive)
Average seek (read)	13 ms	13 ms	13 ms
Track to track seek	3 ms	4 ms	3 ms
Full Track	25 ms	23 ms (read)	25 ms
		24 ms (write)
Average latency	7.14 ms	7.5 ms	7.14 ms
Rotational speed	4200 +/- 0.1% rpm	4200 rpm	4,200 +/- 0.1% rpm
Media Transfer rate	24.7 (inner), 44.9	40 (inner), 61 (outer)	38.6 - 69.8 Mbits/sec
	(outer) Mbits/sec	Mbits/sec
Buffer to host	16.6 Mbytes/sec	16.6 Mbytes/sec	16.6 Mbytes/sec
Buffer size	128 KB	96 KB	128 KB
Spindle start time	5 sec	2.3 sec	5 sec
Reliability:
MTBF: Power-on	300,000 hours	300,000 hours	300,000 hours
Hours
Unrecoverable errors	1.0E-13 bits transfer	1.0E-13 bits transfer	1.0E-13 bits transfer
Configuration:
Sector Size	512 Bytes	512 Bytes	512 Bytes
User Cylinders	2,920	2,800	5,160
Data Heads	6	4	6
Disks	3	2	3

Floppy Disk Drive

The floppy disk drive connects to a dedicated port, leaving the parallel port free. It is hot- swappable and configurable as drive A.

Floppy disk drive manufacturers are subject to change without notice.

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