Power-Up 2-3
Table 2-1 Control Panel Display
Field
Content
Display
Meaning
²
CPU number
P0–P1
CPU reporting status
³
Status
TEST
Tests are executing
FAIL
Failure has been detected
MCHK
Machine check has occurred
INTR
Error interrupt has occurred
´
Test number
µ
Suspected device
CPU0–1
CPU module number
MEM0–7 and
L, H, or *
Memory pair number and low
DIMM, high DIMM, or either
IOD0
Bridge to PCI bus 0
2
IOD1
Bridge to PCI bus 1
1
FROM0
Flash ROM
1
COMBO
COM controller
1
PCEB
PCI-to-EISA bridge
1
ESC
EISA system controller
1
NVRAM
Nonvolatile RAM
1
TOY
Real-time clock
3
I8242
Keyboard and mouse controller
1
The potentiometer, accessible through the access hole just above the Reset button
controls the intensity of the LCD. Use a small Phillips head screwdriver to adjust.
2
On the System Motherboard (54-25147-01)
