Upgrading Processor

There's nothing wrong with my PC. Working just fine eventhough I have been using it for more than 5 years now. I just want to upgrade the processor. Currently, I'm using AMD Athlon Thunderbird where FSB is 100. On the BIOS, shows FSB 100 selected. My MOBO support both FSB 100 and FSB 133.

Few days ago, I got myself an AMD AthlonXP 1900+(Palomino). I've checked and it's supported by my MOBO. Except, the FSB is 133.

When I installed the new CPU onto my MOBO :
1. Monitor is blank
2. Cannot access BIOS
3. D-LED shows first 3 LED turn green and the last one is red

My questions are :
1. Proper steps on how to install new CPU that has different FSB from the previous CPU.
2. Does BIOS auto-detect processor FSB
3. What will happen to the CPU if different FSB configured on the BIOS.
4. Any idea what when wrong beside "what you got there is a non-functional CPU"
 
As an old hand with Socket A, I would ask you for the details of your motherboard. I suspect it does not support your intended CPU. BTW, I still have a working Athlon XP1800+ setup.
 
I'm using MSI K7T266 Pro. I've upgraded the BIOS to A6380VMS.190. Here's the specs for the MOBO.

CPU
• Support Socket A for AMD® Athlon™ / Duron™ / Athlon™ XP Processors
• Supports 600MHz ~ 1.4GHz processor
• Supports Athlon™ XP 1500+ ~ 2000+ Processors

Chipset
• VIA® VT8366 (552BGA) Chipset
- FSB @ 200/266MHz
- AGP 4x and PCI Advanced high performance memory controller

• VIA® VT8233 (376BGA) Chipset
- High Bandwidth Vlink Client controller
- Integrated Faster Ethernet LPC (Optional CNR card support)
- Integrated Hardware Sound Blaster/Direct Sound AC97 audio
- Ultra DMA 33/66/100 master mode PCI EIDE controller
- ACPI

FSB
• Supports 100/133(200/266)MHz FSB

Main Memory
• Support six memory banks using three 184-pin DDR DIMM.
• Support a maximum memory size up to 3GB.
• Supports 2.5v DDR SDRAM DIMM
 
Thanx for the info but I have the user manual when I bought the mobo but it doesn't help much. The questions remain...
 
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