1-18
Service Guide
1.4.18 HDD
Table 1-22
HDD Specifications
Item
Specification
Vendor & Model Name
Hitachi DK225A-21
IBM DTNA22160
IBM DDLA21620
Drive Format
Capacity (MB)
2160
2160
1620
Bytes per sector
512
512
512
Logical heads
16
16
16
Logical sectors
63
63
63
Logical cylinders
4889
4200
3152
Physical read/write heads
6
6
3
Disks
3
3
2
Spindle speed (RPM)
4464
4000
4000
Performance Specifications
Buffer size (KB)
128
96
96
Interface
ATA-3(IDE)
ATA-2
ATA-2
Data transfer rate
(disk-buffer, Mbytes/s)
5.7 ~ 9.0
5 ~ 7.7
5 ~ 8.3
Data transfer rate
(host-buffer, Mbytes/s)
16.6 /33.3
(max., PIO mode 4)
16.6
(max., PIO mode 4)
16.6
(max., PIO mode 4)
DC Power Requirements
Voltage tolerance (V)
5
±
5%
5 + 5%
5
±
5%
1.4.19 CD-ROM
Table 1-23
CD-ROM Specifications
Item
Specification
Vendor & Model Name
Panasonic KMEUJDA110
Performance Specification
Speed (KB/sec)
2100 (14X ave. speed)
Access time (ms)
150 (Typ.)
Buffer memory (KB)
128
Interface
Enhanced IDE (ATAPI) compatible
Applicable disc format
CD-DA, CD-ROM, CD-ROM XA (except ADPCM), CD-I, Photo CD
(Multisession), Video CD, CD+
Loading mechanism
Soft eject (with emergency eject hole)
Power Requirement
Input Voltage (V)
5
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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