HP LH4r HP Netserver Service Handbook, Volume 2 - Mid - Page 92

Switch 7 8 Function IO CTRL ENABLE: Enables or disables onboard flexible disk drive controller, IDE controller, and serial and parallel ports. ON: I/O controller enabled. OFF: I/O controller disabled. VIDEO ENABLE: Enables or disables built-in video. Disable the built-in video only if you have a separate video board installed in the server. ON: Enables built-in video. OFF: Disables built-in video. Default ON ON HP NetServer LH Memory Configuration • The following HP SIMMs are supported: Type Product Number 8 MB ECC SIMM D3597A 16 MB ECC SIMM D3592A 32 MB ECC SIMM D3593A • SIMMs must be installed in pairs. • SIMMs must be installed in sequential order starting with Banks 0/1. HP NetServer LH Plus/Pro Memory Configuration The processor board has 4 memory sockets which accept DIMM memory modules. Up to 512 MB of memory can be added. When installing additional memory, note the following: • Only these HP DIMMs are supported: DIMM Type 16 MB DIMM 32 MB DIMM 64 MB DIMM 128 MB DIMM 256 MB DIMM HP Product Number D4294A D4295A D4296A D4297A D4926A • Any combination of DIMMs, listed above, may be used. NOTE The HP warranty does not cover performance problems, equipment problems, or service calls resulting from the use of non-HP DIMMs. LH Plus/Pro Processor Board LED Blink Codes The Processor board in the NetServer LH Plus or Pro contains LEDs that can indicate memory errors and processor errors. When a memory error exists, the LEDs are either on, off, or flash repeatedly a constant memory error code. The table below describes each of these codes. If the memory error indicates a failed DIMM, replace the DIMM. When a processor error exists, the LEDs alternate between two codes (i.e., ONOFF-OFF-OFF and OFF-ON-ON-ON). 84