QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Optical Storage
PATA
Height | 12.7mm |
| |
Orientation | Either horizontal or vertical |
| |
Interface type | PATA/ATAPI |
| |
Dimensions (W x H x D) 5.0 x 0.5 x 5.0 in (128 x 13.6 x 129 mm) | |||
Weight (max) | 0.42 lb (190 g) |
| |
Read speeds |
| Up to 4X | |
|
| ||
|
| Up to 8X | |
| Up to 24X | ||
| Up to 24X | ||
Access time | Random DVD | DVD: < 140 ms (typical), CD: < 125 ms | |
(typical reads, including |
| (typical) | |
settling) | Random CD | DVD: < 250 ms (seek), CD: < 210 ms (seek) | |
| |||
| Data Transfer Modes | ATA PIO mode 4 (16.7 MB/s); ATA | |
|
| DMA mode 2 (16.7 MB/s) | |
Power | Source | ||
| DC Power Requirement | 5 VDC ± | |
| DC Current | 5 VDC - <1000 mA typical, < 1600 mA | |
|
| maximum | |
| Total Drive Power | < 2.5 Watt | |
| (standby mode) |
| |
Audio output | 0.7 VRMS | ||
| 74 dB | ||
| Channel Separation | 65 dB | |
Environmental | Temperature | 41° to 122° F (5° to 50° C) | |
(all conditions non- | Relative Humidity | 5% to 85% | |
condensing) | |||
Maximum Wet Bulb | 86° F (30° C) | ||
|
Temperature (operating)
DA - 12744 North America — Version 25 — May 16, 2008 | Page 57 |