Figure 3. Bottom View 32. Infrared port (selected models). 37. Docking port. 33. Battery. 38. Mini-PCI cover (no user- replaceable parts inside). 34. CD/DVD drive latch. 39. Hard disk drive retaining screws. 36. Battery latch. 35. RAM cover. zt1100/xz100 and xt1000 Series Product Information 7 Troubleshooting and Self-Repair Guide