QuickSpecs

HP Compaq dx7500 Business PC

Technical Specifications - Removable Storage

HP 1.44-MB Diskette

Size

3.5 in (8.89 cm)

 

Drive

LED Indicators (front panel)Green

 

 

Read/Write Capacity per1.44 MB/720 KB

 

 

Diskette (high/low)

 

 

 

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

94/173 ms

 

 

(high/low)

 

 

 

Settling Time

15 ms

 

 

Latency Average

100 ms

 

Cylinders (high/low)

80/80

 

 

Read/Write Heads

Two

 

 

 

 

 

HP 22-in-1 Media Card USB interface Reader

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)

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 Stick

 

Duo (MS Duo), Memory Stick PRO (MS-PRO), Memory Stick PRO Duo

 

(MS PRO Duo)

 

Mechanical

Length (3.5”)

124.7 cm

 

Width (3.5”)

101.6 cm

DA - 13152 Worldwide QuickSpecs — Version 9 — 3/30/2009

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