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24
Chapter 1
Above table lists some system memory configurations. You may combine DIMMs with various capacities to
form other combinations.
NOTE:
The shipping specification for DIMM combination is 128MB in slot 1..
Memory Combinations
On Board
Slot 1
Total Memory
128 MB
0 MB
128 MB
128 MB
64 MB
192 MB
128 MB
128 MB
256 MB
128 MB
256 MB
384 MB
128 MB
512 MB
640 MB
LAN Interface
Item
Specification
Supports LAN protocol
10/100 Mbps
LAN connector type
RJ45
LAN connector location
Rear side
Modem Interface
Item
Specification
Data modem data baud rate (bps)
56K
Supports modem protocol
V.90 MDC
Modem connector type
RJ11
Modem connector location
Rear side
Floppy Disk Drive Interface
Item
Specification
Vendor & model name
Mitsumi D353G
Floppy Disk Specifications
Media recognition
2DD (720KB)
2HD (1.2MB, 3-mode)
2HD (1.44MB)
Sectors/track
9
15
18
Tracks
80
80
80
Rotational speed (RPM)
300
360
300
Read/write heads
2
Encoding method
MFM/FM
Power Requirement
Input Voltage (V)
+5V +/- 10%
Hard Disk Drive Interface
Item
Specification
Vendor &
Model Name
TOSHIBA
15G
(MK1517)
IBM 15G
(IC25N015AT
D)
TOSHIBA
20G
(MK2017)
IBM 20G
(IC25N020AT
D)
TOSHIBA
30G
(MK3017)
IBM 30G
(IC25N030AT
D)
Capacity (MB)
15000
15000
20000
20000
30000
30000
Bytes per
sector
512
512
512
512
512
512
Data heads
2
2
3
3
4
4
Drive Format
Summary of Contents for TravelMate alpha-550
Page 6: ...VI ...
Page 44: ...36 Chapter 1 ...
Page 58: ...50 Chapter 2 ...
Page 72: ...64 Chapter 3 ...
Page 88: ...80 Chapter 4 ...
Page 106: ...98 Chapter 5 ...
Page 108: ...100 Chapter 6 Exploded Diagram THE SYSTEM ...
Page 109: ...Chapter 6 101 LOGIC UPPER ASSY ...
Page 110: ...102 Chapter 6 LCD 14 1 ...
Page 111: ...Chapter 6 103 LCD 15 ...
Page 113: ...Chapter 6 105 FDD ASSY HDD W O HDD ASSY ...
Page 123: ...Chapter 6 115 ...
Page 126: ...Appendix A 118 ...
Page 130: ...122 Appendix C ...