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QuickSpecs
HP Compaq dx2250 Microtower Business PC
Technical Specifications - Removable Storage
DA – 12605 EMEA • Version 1 • March 14, 2007
Page 29
Size
3.5 in (8.89 cm)
LED Indicators
(front
panel)
Green
Read/Write Capacity
per Diskette
(high/low)
1.44 MB/720 KB
Drive Height
One-third
Drive Rotation
300 rpm
Transfer Rate
(high/low)
500/250 KB/s
Bytes/Sector
512
Sectors/Track
(high/low)
18/9
Tracks/Side
(high/low)
80/80
Access Times
Track-to-Track (high/low) 3/6 ms
Average (high/low)
94/173 ms
Settling Time
15 ms
Latency Average
100 ms
Cylinders
(high/low)
80/80
HP 1.44-MB Diskette
Drive
Read/Write Heads
Two
USB interface
USB 2.0 High-speed device via PCI card or pass -through via internal
USB port of system board
Advance protocol
support
•
Supports hardware ECC (Error Correction Code) function
•
Supports hardware CRC (Cyclic Redundancy Check) function
•
Supports MS 4-bit parallel transfer mode
•
Supports MS-PRO 4-bit parallel transfer mode
•
Supports SD 4-bit parallel transfer mode
•
Supports high-speed 50 MHz SD 4-bit card (version 1.1)
•
Support high-speed 52 MHz MMC 8-bit card (version 4.x)
HP 16-in-1 Media
Card Reader
Supported media
types
•
Supports CompactFlash Card Type I (CF I), CompactFlash
Card Type II (CF II),MicroDrive (MD)
•
Supports 3.3V SmartMedia Card (SM), SmartMedia ROM (SM
ROM), xD-Picture Card (xD)
•
Supports Secure Digital Card (SD), Secure Digital ROM Card
(SD ROM), miniSD, MultiMediaCard (MMC), Secure
MultiMediaCard (Secure MMC), ROM Type MultiMediaCard
(MMC ROM), Reduced Size MultiMediaCard (RS MMC),
MultiMediaCard 4.0 (MMC Plus), Reduced Size
MultiMediaCard 4.0 (MMC Mobile)
•
Support Memory Stick (MS), Memory Stick ROM (MS ROM),
MagicGate Memory Stick (MG), Memory Stick Select, Memory