Toshiba Tecra A3-S711 Maintenance Manual - Page 29

The quick charging ON/OFF, Power ON/OFF sequence

Get Toshiba Tecra A3-S711 PDF manuals and user guides View all Toshiba Tecra A3-S711 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 29 highlights

1 Hardware Overview 1.5 Power Supply 6. Power ON/OFF sequence When power is turned on or off, the EC starts the power on or off sequence. ? SQ0-4 = power ON sequence ? SQ5-B = power OFF sequence 7. Battery charging control The EC controls the following. ? The quick charging ON/OFF ? The detection of full charge 8. Detection of the low battery The EC detects the low battery point by the gas gauge. ? LB10M= The system will be driven by the battery for 12 more minutes. ? LB0 = The battery won't be able to drive the system after 3 minutes. ? LB1 = The battery can drive the system only during the suspend process. ? LB2 = The battery cannot drive the system. 9. New battery installation When a new battery is installed, the EC communicates with the E2PROM in the battery to read information of the newly installed battery. 10. Battery capacity calculation The EC reads battery remaining and percentage capacity from the battery through SMBus. 1-20 Tecra A3/S2 Series Maintenance Manual

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
1
Hardware Overview
1.5
Power Supply
1-20
Tecra A3/S2 Series Maintenance Manual
6.
Power ON/OFF sequence
When power is turned on or off, the EC starts the power on or off sequence.
?
SQ0-4 = power ON sequence
?
SQ5-B = power OFF sequence
7.
Battery charging control
The EC controls the following.
?
The quick charging ON/OFF
?
The detection of full charge
8.
Detection of the low battery
The EC detects the low battery point by the gas gauge.
?
LB10M= The system will be driven by the battery for 12 more minutes.
?
LB0
= The battery won't be able to drive the system after 3 minutes.
?
LB1
= The battery can drive the system only during the suspend process.
?
LB2
= The battery cannot drive the system.
9.
New battery installation
When a new battery is installed, the EC communicates with the E
2
PROM in the battery to
read information of the newly installed battery.
10.
Battery capacity calculation
The EC reads battery remaining and percentage capacity from the battery through SMBus.