| CPU speed ext/int |
W2 | W6 | W40 |
|---|---|---|---|
| 50/75 MHz | Open | 2-3 | Closed |
| 60/90 MHz | Open | 1-2 | Open |
| 66/100 MHz | Open | 2-3 | Open |
| 66/133 MHz | Closed | 2-3 | Open |
System Board FRU P/N 12J4534 Jumper settings
(Board with jumper W27 & W28)
| CPU speed ext/int |
W2 | W6 | W27 | W28 | W40 |
|---|---|---|---|---|---|
| 50/75 MHz | Open | 2-3 | Open | Open | Closed |
| 60/90 MHz | Open | 1-2 | Open | Open | Open |
| 66/100 MHz | Open | 2-3 | Open | Open | Open |
| 66/133 MHz | Closed | 2-3 | Open | Open | Open |
| 66/166 MHz | Closed | 2-3 | Closed | Closed | Open |
| 66/200 MHz | Open | 2-3 | Closed | Closed | Open |
W10 L2 Cache Size
Pin 1-2 = 256K (default)
Pin 2-3 = 512K
W16 Reserved (1-2)
W17 Reserved (Closed)
(Without jumper on W17 -> won't accept BIOS flash !
You will see Error Msg. error 0024: Vpp low Error Detected)
W20 Monitor Select
Open = Monochrome / Closed = Color (default)
W21 Reserved (Closed)
Open = AT style Keyboard
Closed = PS/2 style Keyboard/Mouse (default)
W22 Reserved (Open)
W23 Reserved (Open)
W25 ISA IDE IRQ select
Pin 1-2 = ISA IDE using IRQ 14 (Primary IDE default)
Pin 2-3 = ISA IDE using IRQ 15 Secondary IDE
W30 Reserved (Open)
W41 Parity
Closed = default
System Board FRU P/N 12J4534
W11 Jumper is not available
W42 Closed = Single Processor
Open = Dual Processor
System Board FRU P/N 76H0469
W11 Reserved (2-3)
W42 Reserved (Open)
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.