POST Error Code FRU/Action
164POST detected a base memory or extended
memory size mismatch error or RIMM socket 3 is
populated with a RIMM memory module
1. Run Setup. Check System Summary menu for
memory size change. (See “Setup Utility
program” on page 41.)
2. Run the Extended Memory Diagnostic tests
166Boot Block Check Sum Error
1. Run Flash Recovery using Boot Block. See
“Flash recovery boot block jumper” on
page 50.
2. System Board
167Microprocessor installed that is not supported
by the current POST/BIOS
1. Run Setup. Check Stepping level for the
BIOS level needed, then perform the flash
update.
2. Processor
168Alert on LAN error
1. Run Setup. Check to see that Ethernet and
Alert on LAN are enabled.
2. System Board
3. Riser card
17X, 18X
1. C2 Security
175
1. Run Configuration. See “Setup Utility
program” on page 41.
2. System Board
176
1. Covers were removed from the computer
177Corrupted Administrator Password
1. System Board
178
1. System Board
183
1. Enter the administrator password
184No RFID Antenna
1. Make sure Asset Care and Asset ID are
enabled in Configuration/Setup
2. RFID Antenna
3. System Board
4. Riser card
185Corrupted boot sequence
1. Set configuration and reinstall the boot
sequence
186
1. System Board
187
1. Clear Administration password
2. System Board
74 Hardware Maintenance Manual: IBM NetVista Computer Types 6058, 6059, 6269, 6568, 6569, 6578, 6579, 6648,
6649