Lenovo ThinkPad i Series 1157 Reference

Also see for 570: Reference guide Setup guide

Identifying the hardware featuresRear view of the computer1 The security keyhole isused with a mechanicallock. ( page 156.)2 The power jack is wherethe AC Adapter cable isconnected.3 Theexternal-diskette-driveconnector is where youconnect the cable of theexternal diskette drive.4 The serial connector iswhere you connect a 9-pin,serial-device cable.5 The parallel connector iswhere you connect aparallel-printer signal cable.6 The external-monitorconnector is where youattach an external monitor(CRT).7 The external-input-deviceconnector is used toattach a mouse or anexternal numeric keypad tothe computer. An externalkeyboard can be attachedto this connector throughan optionalkeyboard/mouse cable.8 The modem connector isused for connecting yourcomputer to a telephoneline.Bottom view of the computer1 The battery pack is abuilt-in power source forthe computer.2 The battery-pack latchlocks or releases thebattery pack.3 The speaker is built in tothe computer.4 The system-expansionconnector (244-pin)enables you to connectyour computer to aThinkPad 570 UltraBase orto a ThinkPad 570 DirectDock Adapter forconnection to a portreplicator.5 The fan louvers are forcirculating air within thecomputer.Do not placeany object in front of theselouvers.6 The power switch turnsthe computer on and off.You can slide this switchby pushing the white notchon it.7 The universal serial bus(USB) connector enablesyou to connect any devicethat conforms to the USBinterface. Many recentdigital devices conform tothis new standard.8 To install or remove theSDRAM dual inline memorymodule (DIMM) option,loosen thismemory-slot-cover screw.9 The memory slot acceptsan SDRAM dual inlinememory module (DIMM)option.1 To install or remove thehard disk, loosen thishard-disk-drive screw.You can use the securityscrew shipped with yourcomputer as a hard diskscrew.11 The hard disk drive isbuilt in to the computer.12 The serial number labelidentifies your computer.You need this number toget help.Chapter 1. Basic information on your computer 5