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Table 7–1 Control Panel Display
Field
Content
CPU number
Status
Test number (for
DIGITAL use only)
Suspected device
1
CPU module
2
Memory module
3
Bridge module (PCI 0 & 1)
4
Bridge module (PCI 2 & 3) (16-PCI slot drawer only)
5
PCI motherboard
Display
Meaning
P0–P3
CPU reporting status
TEST
Tests are executing
FAIL
Failure has been detected
MCHK
Machine check has occurred
INTR
Error interrupt has occurred
CPU0–3
CPU module number
MEM0–3 and
Memory pair number and low
L, H, or *
module, high module, or either
IOD0
Bridge to PCI bus 0
IOD1
Bridge to PCI bus 1
IOD2
Bridge to PCI bus 2
IOD3
Bridge to PCI bus 3
FROM0
Flash ROM
COMBO
COM controller
PCEB
PCI-to-EISA bridge
ESC
EISA system controller
NVRAM
Nonvolatile RAM
TOY
Real-time clock
I8242
Keyboard and mouse controller
System Power-Up and Verification
1
2
3
3
4
4
5
5
5
5
5
5
5
7-9
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