Maintenance &
Service Guide
Presario 2250 Series
2510, 2410 ES & 4240 ES Personal Computers
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Preface | Product
Description | Troubleshooting
| Illustrated Parts
| Removal & Replacement
Jumpers & Switches | Specifications | Connector
Pins | Power Cord Requirements
Diskette Drive Specifications
| Diskettes | |
| Size (in) | 3.5 |
| High Density (MB) | 1.44 |
| Low Density (KB) | 720 |
| LED | Green |
| Height | One-third |
| Bytes per Sector | 512 |
| Sectors per Track | |
| High Density | 18 |
| Low Density | 9 |
| Tracks per Side | |
| High Density | 80 |
| Low Density | 80 |
| Read/Write Heads | 2 |
| Average Seek Time (Mb/s) | |
| Track-to-Track (high/low) | 3/3 |
| Average (high/low) | 94/94 |
| Settling Time (ms) | 15 |
| Latency Average (ms) | 100 |
3.2-GB Hard Drive Specifications
| 3.2-GB-3.5" | |
| Compaq Part Number | 262477 |
| Formatted Capacity Physical (MB) Logical (MB) |
3227.1 3227.1 |
| Drive Type | 65 |
| Transfer Rate Media (Mbits/sec) Interface (Mbytes/sec) |
87.8 16.67 |
| Typical Seek Time (including settling) Single Track (ms) Average (ms) Full Stroke (ms) |
2.0 12.0 20.0 |
| Disk Rotational Speed (RPM) | 4500 |
| Cylinders Physical Logical |
5690 6253 |
| Data Heads Physical Logical |
6 16 |
| Sectors per Track Physical Logical |
114-234 63 |
| Buffer Size (KB) | 128 |
4.0-GB Hard Drive Specifications
| 4.0-GB-3.5" | |
| Compaq Part Number | 286118 |
| Formatted Capacity Physical (MB) Logical (MB) |
4018 4018 |
| Drive Type | 65 |
| Transfer Rate Media (Mbits/sec) Interface (Mbytes/sec) |
87.8 16.67 |
| Typical Seek Time (including settling) Single Track (ms) Average (ms) Full Stroke (ms) |
2.0 12.0 21.0 |
| Disk Rotational Speed (RPM) | 4500 |
| Cylinders Physical Logical |
5690 7787 |
| Data Heads Physical Logical |
8 16 |
| Sectors per Track Physical Logical |
114-234 63 |
| Buffer Size (KB) | 128 |
6.0-GB Hard Drive Specifications
| 6.0-GB. 5.25" | |
| Compaq Part Number | 241139 |
| Formatted Capacity Physical (MB) Logical (MB) |
6511 6505 |
| Drive Type | 65 |
| Transfer Rate Media (Mbits/sec) Interface (Mbytes/sec) |
Zone 1 - 92.61 Zone 15 - 16.67 |
| Typical Seek Time (including settling) Single Track (ms) Average (ms) Full Stroke (ms) |
3.0 13.0 25.0 |
| Disk Rotational Speed (RPM) | 3600 |
| Cylinders Physical Logical |
8895 13446 |
| Data Heads Physical Logical |
6 15 |
| Sectors per Track Physical Logical |
170-288 63 |
| Buffer Size (KB) | 512 |
8.0-GB Hard Drive Specifications
| 8.0-GB-3.5" | |
| Compaq Part Number | 286123 |
| Formatted Capacity Physical (MB) Logical (MB) |
8037.7 8037.7 |
| Drive Type | 65 |
| Transfer Rate Media (Mbits/sec) Interface (Mbytes/sec) |
91.3-141.7 33 |
| Typical Seek Time (including settling) Single Track (ms) Average (ms) Full Stroke (ms) |
2.5 12.0 24.0 |
| Disk Rotational Speed (RPM) | 4000 |
| Cylinders Physical Logical |
11490 15574 |
| Data Heads Physical Logical |
4 16 |
| Sectors per Track Physical Logical |
403-261 63 |
| Buffer Size (KB) | 128 |
32x CD Drive Specifications
| Applicable Disc CD-ROM CD-DA CD-XA Photo CD Cdi |
Mode 1 and Mode 2 Mixed Mode, Audio and Data Combined Ready Single and Multiple Session Ready |
| Block Size CD-ROM Mode 1 CD-ROM Mode 2 CD-DA CD-XA |
2048 bytes 2340, 2336 bytes 2352 bytes 2328 bytes |
| Center Hole | 15 mm diameter |
| Diameter | 12 cm, 8 cm |
| Rotational Speed | 4200 RPM, 8X spindle speed |
| Thickness | 1.2 mm |
| Track Pitch | 1.6 µm |
| Laser Beam Divergence Output Power Type Wave Length |
53.5° +/- 1.5° 0.14 mW Semiconductor laser GaAIAs 780 nm +/- 25 nm |
| Access Time Random Full Stroke |
< 100 ms < 170 ms |
| Audio Output Level Line Out Headphone |
0.7 V (RMS) at 47 kW 0.7 V (RMS) at 32 W |
| Cache Buffer | 128 KB |
| Data Transfer Rate Sustained Burst |
150 KB/sec (single) 2100 - 4800 KB/sec (8X-16X variable) 16.67 MB/sec |
| Interface Cable Length (Max) | 18 in |
| Startup Time Single Multi-session |
< 7 sec < 30 sec |
| Stop Time | < 4 sec |
DVD Drive Specifications
| Applicable Disc DVD-5, DVD-9, DVD-10, DVD-18 CD-ROM CD-DA CD-XA Photo CD CD-I Ready CD-Bridge CD-R |
Mode 1 and Mode 2 Audio Mode 2, Form 1 and 2 Single and Multiple Session |
|
| Block Size CD-ROM Mode 0 CD-ROM Mode 1 CD-ROM Mode 2 DVD |
2352 bytes 2352, 2340,2336, 2048 bytes 2352,2340, 2336, 2048 bytes 2048 bytes |
|
| Center Hole | 15 mm diameter | |
| Diameter | 12 cm, 8 cm | |
| Thickness | 1.2 mm | |
| Track Pitch | 1.6 µm | |
| Laser Beam Divergence Output Power Type Wave Length |
53.5 degrees +/- 1.5 degrees 5 mW Semiconductor laser GaAIAs 650 nm +/- 25 nm (DVD) 795 nm +/- 25 nm (CD) |
|
| Access Time Random Full Stroke |
DVD < 150 ms < 225 ms |
CD < 100 ms < 225 ms |
| Audio Output Level Line Out Headphone |
1.0 V (RMS) at 47 kW 0.7 V (RMS) at 32 W |
|
| Cache Buffer | 128 KB | |
| Sustained Data Transfer Rate |
150 KB/sec (single,
CD-ROM mode) 1200-3000 KB/sec (20× CAV CD-ROM mode) 2760 KB/sec (DVD mode) |
|
| Interface Cable Length (Max) | 18 in | |
| Startup Time | < 15 sec | |
| Stop Time | < 2 sec | |
56 K Modem Specifications
| Maximum Data Speed (Kbps) | 56 Kbps* |
| Maximum Fax Speed | 14.4 Kbps |
| Data | V.90, K56flex, V.34 (33.6 Kbps), V32terbo (19.2 Kbps), V.32bis (14.4 Kbps), V.32, V.22bis, V.22, V.21, Bell 212A, Bell 103 |
| Error Correction | V.42bis, V.42, LAPM, and MNP 2-5 |
| Fax | V.17, V.29, V.27ter, V.21 Channel 2, Class 1 command set, Group III FAX |
| * Both K56flex and V.90 are designed only to allow faster downloads from K56Flex or V.90-compliant digital sources. Maximum achievable download transmission rates are currently unknown, may not reach 56 Kbps, and will vary with the line condition. | |
33.6 Kbps Modem Specifications
Modem 33.6 Dfi (upgradable to 56K) |
|
| Maximum Data Speed (Kbps) | 33.6 DFi, upgradable to 56K |
| Maximum Fax Speed | 14.4 Kbps |
| Data | V.34 (33.6 Kbps), V.32terbo (19.2 Kbps), V.32bis (14.4 Kbps), V.32, V.22bis, V.22, V.21, Bell 212A, Bell 103 |
| Error Correction | V.42bis, V.42, LAPM, and MNP 2-5 |
| Fax | V.17, V.29, V.27ter, V.21 Channel 2, Class 1 command set, Group III FAX |
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