Network manual => a comprehensive documentation set containing information on:

Password standards/implementation
Account policies
Virus protections/implementation
Backup procedures/labeling/storage
Mainframes/Minis/Servers - responsible person and their backup
e-mail implementation
security officers
LAN device security (hubs, switches, servers, concentrators, routers, etc...)
desktop PC standards
network standards
software standards
internet standards
strategic system plan
future plans
hardware/software auditing procedures

PC/LAN manual => documentation covering PC and LAN configs/setups; must be available to all users and contain:

overview of LAN
information on resources available to users
procedures/documentation for requesting access to LAN resources
procedures/documentation for change/revoke of privileges
documentation on accessing PC/LAN resources
documentation/procedures on requesting PC/LAN support
documentation covering LAN devices (config, location, vendor, vendor support issues, etc...)
documentation on PCs (config, vendor support issues, protocols, standards, etc...)

Inventories => documents containing information on h-ware/sfware:

Hardware inventories
Location
User
Asset tag #
Serial #
Any applicable tracking information
Purchase date
Purchase order number
Project number
Device makeup (drive size, amt. of RAM, NIC model, other applicable information on devices...)
sfware inventories
user
software being used
sfware version
sfware license number
purchase date
purchase order number
* cross reference between user in h-ware inventory and sfware inventory

IS organization chart => chart depiction of the hierarchical structure of the IS department

* varies depending on organization usually includes information on
* duties/responsibilities of individuals, their backups.
* address', hire dates

Operations documentation => documentation covering daily procedures:

documentation covering any regularly scheduled jobs
system(s) performance monitoring/historical documentation
backup procedures
recovery plans
system upgrade documentation/procedures
system repair/maintenance documentation/procedures

Network documentation => documentation covering network topology/structure:

documentation listing servers and LAN devices; their config/makeup
location of servers and documentation covering their connectivity
documentation covering redundancy and disaster recovery
documentation covering connectivity of LAN devices (network printers, PCs, Hubs, Switches, etc...)
documentation covering connectivity of WAN devices
documentation covering WAN redundancy and recovery